Knowledge (XXG)

Methyl group

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J. Dumas and E. Péligot (1835) "Mémoire sur l'espirit de bois et sur les divers composés ethérés qui en proviennent" (Memoir on spirit of wood and on the various ethereal compounds that derive therefrom),
538:, the source of natural gas, arises via a demethylation reaction. Together with ubiquitin and phosphorylation, methylation is a major biochemical process for modifying protein function. The field of 2281: 945:
Poad, Berwyck L. J.; Reed, Nicholas D.; Hansen, Christopher S.; Trevitt, Adam J.; Blanksby, Stephen J.; Mackay, Emily G.; Sherburn, Michael S.; Chan, Bun; Radom, Leo (2016).
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Demarteau, Jérémy; Debuigne, Antoine; Detrembleur, Christophe (2019). "Organocobalt Complexes as Sources of Carbon-Centered Radicals for Organic and Polymer Chemistries".
3530: 3450: 3266: 3201: 3141: 3069: 2975: 2869: 2739: 2290: 2274: 770:) "wood, patch of trees" with the intention of highlighting its origins, "alcohol made from wood (substance)". The term "methyl" was derived in about 1840 by 1322: 2267: 1226: 1195: 924:
G. Barney Ellison , P. C. Engelking , W. C. Lineberger (1978), "An experimental determination of the geometry and electron affinity of methyl radical CH
2241: 853:"Webb telescope just found something unprecedented in the Orion Nebula - Astronomers are excited about the detection of a special molecule in space" 2246: 785: 355:; and though the model may be useful for description and analysis, it is only a useful fiction. Such reagents are generally prepared from the 862: 723:. In condensed phases, neighbour molecules also contribute to the potential. Methyl group rotation can be experimentally studied using 3653: 3553: 835: 1279:
Nous donnerons le nom de mĂ©thylĂšne (1) Ă  un radical 
 (1) ΌΔΞυ, vin, et υλη, bois; c'est-Ă -dire vin ou liqueur spiritueuse du bois.
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Thauer, R. K., "Biochemistry of Methanogenesis: a Tribute to Marjory Stephenson", Microbiology, 1998, volume 144, pages 2377–2406.
439:. Methyl groups can be quite unreactive. For example, in organic compounds, the methyl group resists attack by even the strongest 3678: 1315: 724: 3603: 2145: 1178:
M. Rossberg et al. “Chlorinated Hydrocarbons” in Ullmann’s Encyclopedia of Industrial Chemistry 2006, Wiley-VCH, Weinheim.
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bond is decreased, and the reactivity of the methyl group increases. One manifestation of this enhanced reactivity is the
3638: 1281:(We will give the name "methylene" (1) to a radical 
 (1) methy, wine, and hulē, wood; that is, wine or spirit of wood.) 1255:
Press,W: Single-particle rotation in molecular crystals (Springer tracts in modern physics 92), Springer: Berlin (1981).
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Heinz G. Floss, Sungsook Lee "Chiral methyl groups: small is beautiful" Acc. Chem. Res., 1993, volume 26, pp 116–122.
3776: 1718: 1308: 744: 3593: 3588: 3401: 2769: 903: 3633: 3059: 2829: 2789: 1755: 329: 1202: 296:) exists only in rarefied gas phase or under exotic conditions. It can be produced by electrical discharge in 2990: 2965: 2955: 3713: 2228: 3568: 3361: 2689: 2630: 2538: 2533: 2443: 2320: 2315: 2128: 321: 2694: 2365: 3771: 3623: 3598: 3236: 2995: 2854: 2839: 2809: 2401: 2235: 2123: 2925: 2905: 2578: 852: 455:
of a methyl group occurs widely in nature and industry. The oxidation products derived from methyl are
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from "methylene", and was then applied to describe "methyl alcohol" (which since 1892 is called "
273: 176:, the radical seven and the cation six. All three forms are highly reactive and rarely observed. 2709: 2620: 3673: 3256: 3156: 3126: 3044: 2784: 2669: 2625: 2573: 2380: 2375: 2307: 2194: 2164: 1922: 1544: 1220: 1161: 1120: 1052: 1017: 978: 831: 571: 518:
Demethylation (the transfer of the methyl group to another compound) is a common process, and
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Certain methyl groups can be deprotonated. For example, the acidity of the methyl groups in
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that undergo this reaction are called methylating agents. Common methylating agents are
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cation, and this simplification is used pervasively in organic chemistry. For example,
211:, but is otherwise not encountered. Some compounds are considered to be sources of the 3765: 3613: 3468: 3351: 3326: 3307: 3251: 3131: 3089: 3084: 2824: 2814: 2774: 2649: 2543: 2498: 2473: 2355: 2335: 2209: 2157: 2088: 1974: 1964: 1959: 1949: 1944: 1894: 1889: 1805: 1800: 1790: 1644: 1599: 1561: 1549: 1520: 1398: 1064: 885: 748: 527: 356: 254: 72: 2259: 3689: 3543: 3396: 3336: 3316: 3288: 3216: 3096: 3079: 3034: 2985: 2890: 2610: 2563: 2411: 2140: 2027: 2022: 1999: 1750: 1589: 1515: 1452: 1447: 1425: 1381: 1366: 654: 606: 575: 493: 481: 467: 378: 1183: 928:" Journal of the American Chemical Society, volume 100, issue 8, pages 2556–2558. 3663: 3573: 3538: 3505: 3431: 3406: 3246: 3151: 3121: 3005: 2920: 2910: 2640: 2568: 2199: 2152: 2113: 1994: 1882: 1867: 1862: 1850: 1415: 1410: 1376: 1371: 1361: 1339: 1048: 806: 638: 513: 436: 420: 266: 261:
are viewed as the equivalent of the methyl cation because they readily undergo S
224: 106: 28: 3578: 3520: 3483: 3458: 3356: 3166: 3029: 2108: 2099: 1979: 1934: 1830: 1795: 1785: 1725: 1661: 1584: 1532: 579: 539: 313: 1165: 1105: 899: 705:) that restricts the free motion of the three protons. For the model case of 17: 3510: 3375: 3211: 3015: 2895: 2749: 2724: 2075: 1989: 1954: 1939: 1927: 1770: 1745: 1554: 626: 567: 452: 317: 309: 208: 190: 1124: 1056: 1021: 982: 886:"Formation of the Methyl Cation by Photochemistry in a Protoplanetary Disk" 227:
of methanol gives an electrophilic methylating reagent that reacts by the S
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axis. This is a free rotation only in the simplest cases like gaseous
411:. It exists in dilute gases, but in more concentrated form it readily 3694: 3515: 3497: 2960: 2930: 2432: 2133: 2065: 1909: 1618: 1611: 1505: 1486: 1475: 1459: 1405: 801: 789: 706: 634: 497: 416: 297: 141: 68: 1300: 2729: 2659: 2014: 1984: 1917: 1775: 1740: 1735: 1708: 1656: 1623: 1527: 1351: 125: 60: 36: 1442: 828:
Advanced organic chemistry: reactions, mechanisms, and structure
440: 301: 117:, bonded to the rest of the molecule by a single covalent bond ( 2263: 1304: 743:, after determining methanol's chemical structure, introduced " 124:), it can be found on its own in any of three forms: methanide 41:
Different ways of representing a methyl group (highlighted in
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Note that the correct Greek word for the substance "wood" is
566:) is about 10 times more acidic than methane. The resulting 542:
focuses on the influence of methylation on gene expression.
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The reactivity of a methyl group depends on the adjacent
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Toraya, Tetsuo (2003). "Radical Catalysis in Coenzyme B
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In the special case where one hydrogen is replaced by
419:. It is routinely produced by various enzymes of the 3529: 3449: 3374: 3265: 3200: 3140: 3068: 2974: 2868: 2738: 2524: 2306: 2297: 2177: 2097: 2074: 2036: 2013: 1908: 1829: 1699: 1676: 1632: 1575: 1498: 1473: 1338: 1000:-Dependent Isomerization (Eliminating) Reactions". 1140:"DNA methylation patterns and epigenetic memory" 686:. In most molecules, the remainder R breaks the 649:). Through the use of chiral methyl groups, the 335:In discussing mechanisms of organic reactions, 496:. Ultimately oxidation of methyl groups gives 2275: 1316: 484:often converts a methyl group to a carboxyl ( 8: 884:Berne, Olivier; et al. (26 June 2023). 570:are key intermediates in many reactions in 2303: 2282: 2268: 2260: 1696: 1495: 1323: 1309: 1301: 34:Chemical group (–CH₃) derived from methane 1155: 1114: 1104: 972: 962: 715: 711: 681: 644: 561: 557: 461: 369: 365: 245: 241: 237: 120: 89: 86:(whereas normal methane has the formula 82: 818: 786:IUPAC nomenclature of organic chemistry 272:The methyl cation has been detected in 1225:: CS1 maint: archived copy as title ( 1218: 308:is determined to be about 252.2 ± 3.3 671:A methyl group may rotate around the 7: 657:transformations have been analyzed. 633:(T), the methyl substituent becomes 343:are often considered to be salts of 719:, this is discussed under the name 3654:Nexus for Exoplanet System Science 25: 3554:Atomic and molecular astrophysics 2291:Molecules detected in outer space 906:from the original on 27 June 2023 865:from the original on 27 June 2023 180:Methyl cation, anion, and radical 3744: 3732: 3720: 3709: 3708: 2515: 2506: 2497: 1267:Annales de chimie et de physique 488:) group, e.g. the conversion of 3679:Polycyclic aromatic hydrocarbon 1093:Journal of Biological Chemistry 851:Sauers, Elisha (27 June 2023). 725:quasielastic neutron scattering 598:positions, the strength of the 300:at low pressure (less than one 79:atoms, having chemical formula 1: 3604:Extraterrestrial liquid water 1184:10.1002/14356007.a06_233.pub2 697:axis and creates a potential 629:(D) and another hydrogen by 2835:Protonated hydrogen cyanide 1138:Bird, Adrian (2002-01-01). 1049:10.1021/acs.chemrev.8b00715 3793: 1087:Clarke, Steven G. (2018). 761: 751: 664: 582:are produced in this way. 511: 388: 332:are known to be stronger. 188: 26: 3703: 3594:Earliest known life forms 3589:Diffuse interstellar band 3060:Protonated cyanoacetylene 2830:Protonated carbon dioxide 2790:Hydromagnesium isocyanide 2495: 2218: 830:. John Wiley & Sons. 641:(deuterotritoacetic acid 504:, as seen in combustion. 330:diethynylbenzene dianions 3639:Iron–sulfur world theory 3634:Photodissociation region 3337:Methyl-cyano-diacetylene 1106:10.1074/jbc.AW118.003235 900:10.1038/s41586-023-06307 27:Not to be confused with 3714:Category:Astrochemistry 3304:, fullerene, buckyball) 2991:Cyanobutadiynyl radical 2966:Silicon-carbide cluster 2956:Protonated formaldehyde 2229:chemical classification 1144:Genes & Development 609:of the methyl group in 172:). The anion has eight 3727:Outer space portal 3569:Circumstellar envelope 2534:Aluminium(I) hydroxide 2444:Phosphorus mononitride 2321:Aluminium monofluoride 2316:Aluminium monochloride 586:Free radical reactions 322:lithium monoxide anion 195:The methylium cation ( 48: 3624:Interplanetary medium 3599:Extraterrestrial life 3237:Octatetraynyl radical 2855:Tricarbon monosulfide 2402:Magnesium monohydride 2236:chemical nomenclature 826:March, Jerry (1992). 284:The methanide anion ( 109:group occurs in many 97:, the group is often 40: 3751:Chemistry portal 3739:Astronomy portal 3685:RNA world hypothesis 3669:PAH world hypothesis 3362:Heptatrienyl radical 3294:Buckminsterfullerene 3182:Methylcyanoacetylene 2690:Silicon carbonitride 2665:Methylidynephosphane 2631:Magnesium isocyanide 2539:Aluminium isocyanide 2341:Carbon monophosphide 306:enthalpy of reaction 265:2 reactions by weak 3629:Interstellar medium 3609:Forbidden mechanism 3422:Hydrogen isocyanide 3112:Hexatriynyl radical 2695:c-Silicon dicarbide 2600:Hydrogen isocyanide 2464:Silicon monosulfide 2439:Phosphorus monoxide 2407:Methylidyne radical 2366:Fluoromethylidynium 2326:Aluminium(II) oxide 1692:not C, H or O) 1273: : 5-74; from 1245:10.1021/ar00027a007 1099:(27): 10438–10446. 934:10.1021/ja00476a054 737:Jean-Baptiste Dumas 457:hydroxymethyl group 316:. It is a powerful 3649:Molecules in stars 3619:Intergalactic dust 3564:Circumstellar dust 3506:Naphthalene cation 3441:Trihydrogen cation 3417:Hydrogen deuteride 3342:Methyltriacetylene 3177:Hexapentaenylidene 2996:E-Cyanomethanimine 2916:Cyclopropenylidene 2850:Tricarbon monoxide 2840:Silicon tricarbide 2810:Methylene amidogen 2800:Isothiocyanic acid 2715:Thioxoethenylidene 2675:Trihydrogen cation 2489:Titanium(II) oxide 2449:Potassium chloride 2428:Sulfur mononitride 2371:Helium hydride ion 2346:Carbon monosulfide 2134:Hypervalent iodine 1157:10.1101/gad.947102 964:10.1039/C6SC01726F 653:course of several 274:interstellar space 49: 3777:Functional groups 3759: 3758: 3674:Pseudo-panspermia 3370: 3369: 3317:Cyanodecapentayne 3257:N-Methylformamide 3232:Methyldiacetylene 3157:Aminoacetonitrile 3127:Methyl isocyanate 3045:Methyl isocyanide 2926:Isocyanoacetylene 2906:Cyanoformaldehyde 2785:Hydrogen peroxide 2670:Potassium cyanide 2626:Magnesium cyanide 2579:Disilicon carbide 2574:Dicarbon monoxide 2381:Hydrogen fluoride 2376:Hydrogen chloride 2257: 2256: 2195:Sulfenyl chloride 2173: 2172: 1672: 1671: 1491:(only C, H and O) 1332:Functional groups 1043:(12): 6906–6955. 1014:10.1021/cr020428b 572:organic synthesis 341:Grignard reagents 174:valence electrons 111:organic compounds 67:, containing one 53:organic chemistry 16:(Redirected from 3784: 3749: 3748: 3747: 3737: 3736: 3735: 3725: 3724: 3723: 3712: 3711: 3659:Organic compound 3559:Chemical formula 3464:Dihydroxyacetone 3412:Hydrogen cyanide 3097:Cyanodiacetylene 2951:Propadienylidene 2845:Thioformaldehyde 2720:Titanium dioxide 2685:Sodium hydroxide 2606:Hydrogen sulfide 2594:Hydrogen cyanide 2554:Carbonyl sulfide 2519: 2510: 2501: 2459:Silicon monoxide 2392:Hydroxyl radical 2304: 2284: 2277: 2270: 2261: 2224: 2129:Trifluoromethoxy 1697: 1693: 1496: 1492: 1345: 1325: 1318: 1311: 1302: 1295: 1288: 1282: 1262: 1256: 1253: 1247: 1237: 1231: 1230: 1224: 1216: 1214: 1213: 1207: 1201:. Archived from 1200: 1192: 1186: 1176: 1170: 1169: 1159: 1135: 1129: 1128: 1118: 1108: 1084: 1078: 1075: 1069: 1068: 1037:Chemical Reviews 1032: 1026: 1025: 1008:(6): 2095–2128. 1002:Chemical Reviews 993: 987: 986: 976: 966: 957:(9): 6245–6250. 951:Chemical Science 942: 936: 922: 916: 915: 913: 911: 881: 875: 874: 872: 870: 848: 842: 841: 823: 765: 755: 735:French chemists 718: 696: 693:symmetry of the 685: 674: 648: 601: 565: 524:dimethyl sulfate 487: 479: 472: 465: 410: 409: 408: 399:has the formula 373: 354: 353: 352: 349: 327: 295: 294: 293: 290: 249: 240:OH + H → [CH 222: 221: 220: 217: 207:) exists in the 206: 205: 204: 201: 171: 170: 169: 155: 154: 153: 150: 139: 138: 137: 134: 123: 92: 85: 46: 21: 3792: 3791: 3787: 3786: 3785: 3783: 3782: 3781: 3762: 3761: 3760: 3755: 3745: 3743: 3733: 3731: 3721: 3719: 3699: 3525: 3501: 3492: 3445: 3435: 3378: 3366: 3347:Propionaldehyde 3322:Ethylene glycol 3311: 3303: 3299: 3270: 3268: 3261: 3217:Cyanohexatriyne 3203: 3196: 3143: 3136: 3071: 3064: 3024: 2977: 2970: 2941:Methoxy radical 2871: 2864: 2860:Thiocyanic acid 2741: 2734: 2644: 2584:Ethynyl radical 2520: 2514: 2513: 2512: 2511: 2505: 2504: 2503: 2502: 2493: 2484:Sulfur monoxide 2469:Sodium chloride 2454:Silicon carbide 2361:Diatomic carbon 2351:Carbon monoxide 2293: 2288: 2258: 2253: 2222: 2214: 2169: 2124:Trichloromethyl 2119:Trifluoromethyl 2093: 2070: 2032: 2009: 1904: 1873:Phosphine oxide 1825: 1691: 1689: 1688: 1686: 1684: 1682: 1680: 1678: 1668: 1628: 1571: 1490: 1489: 1484: 1479: 1469: 1343: 1342: 1334: 1329: 1299: 1298: 1289: 1285: 1263: 1259: 1254: 1250: 1238: 1234: 1217: 1211: 1209: 1205: 1198: 1196:"Archived copy" 1194: 1193: 1189: 1177: 1173: 1137: 1136: 1132: 1086: 1085: 1081: 1076: 1072: 1034: 1033: 1029: 999: 995: 994: 990: 944: 943: 939: 927: 923: 919: 909: 907: 883: 882: 878: 868: 866: 850: 849: 845: 838: 825: 824: 820: 815: 798: 733: 717: 713: 709: 694: 692: 683: 679: 677:methyl chloride 672: 669: 663: 646: 642: 623: 615:benzyl chloride 599: 590:When placed in 588: 563: 559: 555: 548: 532:methyl triflate 516: 510: 485: 480:. For example, 477: 470: 463: 459: 449: 433: 425:methylcobalamin 407: 404: 403: 402: 400: 393: 387: 371: 367: 363: 350: 347: 346: 344: 325: 291: 288: 287: 285: 282: 264: 247: 243: 239: 235: 230: 218: 215: 214: 212: 202: 199: 198: 196: 193: 187: 182: 168: 165: 164: 163: 161: 151: 148: 147: 145: 135: 132: 131: 129: 122: 118: 91: 87: 84: 80: 42: 35: 32: 23: 22: 15: 12: 11: 5: 3790: 3788: 3780: 3779: 3774: 3764: 3763: 3757: 3756: 3754: 3753: 3741: 3729: 3717: 3704: 3701: 3700: 3698: 3697: 3692: 3687: 3682: 3676: 3671: 3666: 3661: 3656: 3651: 3646: 3641: 3636: 3631: 3626: 3621: 3616: 3611: 3606: 3601: 3596: 3591: 3586: 3584:Cosmochemistry 3581: 3576: 3571: 3566: 3561: 3556: 3551: 3549:Astrochemistry 3546: 3541: 3535: 3533: 3527: 3526: 3524: 3523: 3518: 3513: 3508: 3503: 3499: 3495: 3490: 3486: 3481: 3476: 3471: 3466: 3461: 3455: 3453: 3447: 3446: 3444: 3443: 3438: 3433: 3429: 3424: 3419: 3414: 3409: 3404: 3402:Formyl radical 3399: 3394: 3388: 3382: 3380: 3372: 3371: 3368: 3367: 3365: 3364: 3359: 3354: 3349: 3344: 3339: 3334: 3332:Methyl acetate 3329: 3324: 3319: 3314: 3309: 3305: 3301: 3297: 3291: 3286: 3281: 3275: 3273: 3263: 3262: 3260: 3259: 3254: 3249: 3244: 3239: 3234: 3229: 3224: 3222:Dimethyl ether 3219: 3214: 3208: 3206: 3198: 3197: 3195: 3194: 3189: 3187:Methyl formate 3184: 3179: 3174: 3172:Glycolaldehyde 3169: 3164: 3159: 3154: 3148: 3146: 3138: 3137: 3135: 3134: 3129: 3124: 3119: 3114: 3109: 3107:Glycolonitrile 3104: 3102:Ethylene oxide 3099: 3094: 3093: 3092: 3082: 3076: 3074: 3066: 3065: 3063: 3062: 3057: 3052: 3047: 3042: 3037: 3032: 3027: 3022: 3018: 3013: 3008: 3003: 3001:Cyclopropenone 2998: 2993: 2988: 2982: 2980: 2972: 2971: 2969: 2968: 2963: 2958: 2953: 2948: 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2901:Cyanoacetylene 2898: 2893: 2888: 2883: 2876: 2874: 2866: 2865: 2863: 2862: 2857: 2852: 2847: 2842: 2837: 2832: 2827: 2822: 2820:Methyl radical 2817: 2812: 2807: 2802: 2797: 2795:Isocyanic acid 2792: 2787: 2782: 2777: 2772: 2767: 2762: 2760:Isocyanic acid 2757: 2752: 2746: 2744: 2736: 2735: 2733: 2732: 2727: 2722: 2717: 2712: 2707: 2705:Sulfur dioxide 2702: 2697: 2692: 2687: 2682: 2680:Sodium cyanide 2677: 2672: 2667: 2662: 2657: 2652: 2647: 2642: 2638: 2633: 2628: 2623: 2618: 2613: 2608: 2603: 2597: 2591: 2589:Formyl radical 2586: 2581: 2576: 2571: 2566: 2561: 2556: 2551: 2549:Carbon dioxide 2546: 2541: 2536: 2530: 2528: 2522: 2521: 2496: 2494: 2492: 2491: 2486: 2481: 2476: 2471: 2466: 2461: 2456: 2451: 2446: 2441: 2436: 2430: 2425: 2420: 2414: 2409: 2404: 2399: 2397:Iron(II) oxide 2394: 2389: 2383: 2378: 2373: 2368: 2363: 2358: 2353: 2348: 2343: 2338: 2333: 2328: 2323: 2318: 2312: 2310: 2301: 2295: 2294: 2289: 2287: 2286: 2279: 2272: 2264: 2255: 2254: 2252: 2251: 2250: 2249: 2244: 2232: 2225: 2219: 2216: 2215: 2213: 2212: 2210:Sulfinylamines 2207: 2202: 2197: 2192: 2190:Phosphoramides 2187: 2185:Isothiocyanate 2181: 2179: 2175: 2174: 2171: 2170: 2168: 2167: 2162: 2161: 2160: 2150: 2149: 2148: 2138: 2137: 2136: 2131: 2126: 2121: 2116: 2105: 2103: 2095: 2094: 2092: 2091: 2086: 2080: 2078: 2072: 2071: 2069: 2068: 2063: 2061:Selenenic acid 2058: 2056:Seleninic acid 2053: 2051:Selenonic acid 2048: 2042: 2040: 2034: 2033: 2031: 2030: 2025: 2019: 2017: 2011: 2010: 2008: 2007: 2002: 1997: 1992: 1987: 1982: 1977: 1972: 1967: 1962: 1957: 1952: 1947: 1942: 1937: 1932: 1931: 1930: 1920: 1914: 1912: 1906: 1905: 1903: 1902: 1897: 1892: 1887: 1886: 1885: 1875: 1870: 1865: 1860: 1859: 1858: 1848: 1847: 1846: 1844:Phosphodiester 1835: 1833: 1827: 1826: 1824: 1823: 1818: 1813: 1808: 1803: 1798: 1793: 1788: 1783: 1778: 1773: 1768: 1763: 1758: 1753: 1748: 1743: 1738: 1733: 1728: 1723: 1722: 1721: 1716: 1705: 1703: 1694: 1690:(one element, 1674: 1673: 1670: 1669: 1667: 1666: 1665: 1664: 1654: 1653: 1652: 1647: 1636: 1634: 1630: 1629: 1627: 1626: 1621: 1616: 1615: 1614: 1604: 1603: 1602: 1597: 1592: 1581: 1579: 1573: 1572: 1570: 1569: 1567:Methylenedioxy 1564: 1559: 1558: 1557: 1552: 1542: 1541: 1540: 1535: 1525: 1524: 1523: 1513: 1508: 1502: 1500: 1493: 1471: 1470: 1468: 1467: 1462: 1457: 1456: 1455: 1450: 1440: 1439: 1438: 1433: 1428: 1423: 1418: 1413: 1403: 1402: 1401: 1396: 1386: 1385: 1384: 1379: 1374: 1369: 1364: 1359: 1348: 1346: 1344:(only C and H) 1336: 1335: 1330: 1328: 1327: 1320: 1313: 1305: 1297: 1296: 1283: 1257: 1248: 1232: 1187: 1171: 1130: 1079: 1070: 1027: 997: 988: 937: 925: 917: 876: 843: 836: 817: 816: 814: 811: 810: 809: 804: 797: 794: 772:back-formation 741:Eugene Peligot 732: 729: 721:ethane barrier 690: 662: 659: 651:stereochemical 622: 619: 587: 584: 547: 544: 536:Methanogenesis 512:Main article: 509: 506: 502:carbon dioxide 475:carboxyl group 448: 445: 432: 429: 405: 391:Methyl radical 389:Main article: 386: 385:Methyl radical 383: 377:where M is an 375: 374: 357:methyl halides 337:methyl lithium 281: 278: 262: 251: 250: 228: 189:Main article: 186: 183: 181: 178: 166: 33: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3789: 3778: 3775: 3773: 3770: 3769: 3767: 3752: 3742: 3740: 3730: 3728: 3718: 3716: 3715: 3706: 3705: 3702: 3696: 3693: 3691: 3688: 3686: 3683: 3680: 3677: 3675: 3672: 3670: 3667: 3665: 3662: 3660: 3657: 3655: 3652: 3650: 3647: 3645: 3642: 3640: 3637: 3635: 3632: 3630: 3627: 3625: 3622: 3620: 3617: 3615: 3614:Homochirality 3612: 3610: 3607: 3605: 3602: 3600: 3597: 3595: 3592: 3590: 3587: 3585: 3582: 3580: 3577: 3575: 3572: 3570: 3567: 3565: 3562: 3560: 3557: 3555: 3552: 3550: 3547: 3545: 3542: 3540: 3537: 3536: 3534: 3532: 3528: 3522: 3519: 3517: 3514: 3512: 3509: 3507: 3504: 3502: 3496: 3494: 3487: 3485: 3482: 3480: 3477: 3475: 3472: 3470: 3469:Methoxyethane 3467: 3465: 3462: 3460: 3457: 3456: 3454: 3452: 3448: 3442: 3439: 3437: 3430: 3428: 3425: 3423: 3420: 3418: 3415: 3413: 3410: 3408: 3405: 3403: 3400: 3398: 3395: 3392: 3389: 3387: 3384: 3383: 3381: 3377: 3373: 3363: 3360: 3358: 3355: 3353: 3352:Butyronitrile 3350: 3348: 3345: 3343: 3340: 3338: 3335: 3333: 3330: 3328: 3327:Ethyl formate 3325: 3323: 3320: 3318: 3315: 3313: 3306: 3295: 3292: 3290: 3287: 3285: 3282: 3280: 3277: 3276: 3274: 3272: 3264: 3258: 3255: 3253: 3252:Propionitrile 3250: 3248: 3245: 3243: 3240: 3238: 3235: 3233: 3230: 3228: 3225: 3223: 3220: 3218: 3215: 3213: 3210: 3209: 3207: 3205: 3199: 3193: 3190: 3188: 3185: 3183: 3180: 3178: 3175: 3173: 3170: 3168: 3165: 3163: 3160: 3158: 3155: 3153: 3150: 3149: 3147: 3145: 3139: 3133: 3132:Vinyl alcohol 3130: 3128: 3125: 3123: 3120: 3118: 3115: 3113: 3110: 3108: 3105: 3103: 3100: 3098: 3095: 3091: 3090:Vinyl cyanide 3088: 3087: 3086: 3085:Acrylonitrile 3083: 3081: 3078: 3077: 3075: 3073: 3067: 3061: 3058: 3056: 3053: 3051: 3050:Pentynylidyne 3048: 3046: 3043: 3041: 3038: 3036: 3033: 3031: 3028: 3026: 3019: 3017: 3014: 3012: 3009: 3007: 3004: 3002: 2999: 2997: 2994: 2992: 2989: 2987: 2984: 2983: 2981: 2979: 2973: 2967: 2964: 2962: 2959: 2957: 2954: 2952: 2949: 2947: 2946:Methylenimine 2944: 2942: 2939: 2937: 2934: 2932: 2929: 2927: 2924: 2922: 2919: 2917: 2914: 2912: 2909: 2907: 2904: 2902: 2899: 2897: 2894: 2892: 2889: 2887: 2884: 2881: 2878: 2877: 2875: 2873: 2867: 2861: 2858: 2856: 2853: 2851: 2848: 2846: 2843: 2841: 2838: 2836: 2833: 2831: 2828: 2826: 2825:Propynylidyne 2823: 2821: 2818: 2816: 2815:Methyl cation 2813: 2811: 2808: 2806: 2803: 2801: 2798: 2796: 2793: 2791: 2788: 2786: 2783: 2781: 2778: 2776: 2775:Fulminic acid 2773: 2771: 2768: 2766: 2763: 2761: 2758: 2756: 2753: 2751: 2748: 2747: 2745: 2743: 2737: 2731: 2728: 2726: 2723: 2721: 2718: 2716: 2713: 2711: 2708: 2706: 2703: 2701: 2698: 2696: 2693: 2691: 2688: 2686: 2683: 2681: 2678: 2676: 2673: 2671: 2668: 2666: 2663: 2661: 2658: 2656: 2653: 2651: 2650:Nitrous oxide 2648: 2646: 2639: 2637: 2634: 2632: 2629: 2627: 2624: 2622: 2619: 2617: 2614: 2612: 2609: 2607: 2604: 2601: 2598: 2595: 2592: 2590: 2587: 2585: 2582: 2580: 2577: 2575: 2572: 2570: 2567: 2565: 2562: 2560: 2557: 2555: 2552: 2550: 2547: 2545: 2544:Amino radical 2542: 2540: 2537: 2535: 2532: 2531: 2529: 2527: 2523: 2518: 2509: 2500: 2490: 2487: 2485: 2482: 2480: 2477: 2475: 2474:Sodium iodide 2472: 2470: 2467: 2465: 2462: 2460: 2457: 2455: 2452: 2450: 2447: 2445: 2442: 2440: 2437: 2434: 2431: 2429: 2426: 2424: 2421: 2418: 2415: 2413: 2410: 2408: 2405: 2403: 2400: 2398: 2395: 2393: 2390: 2387: 2384: 2382: 2379: 2377: 2374: 2372: 2369: 2367: 2364: 2362: 2359: 2357: 2356:Cyano radical 2354: 2352: 2349: 2347: 2344: 2342: 2339: 2337: 2336:Carbon cation 2334: 2332: 2329: 2327: 2324: 2322: 2319: 2317: 2314: 2313: 2311: 2309: 2305: 2302: 2300: 2296: 2292: 2285: 2280: 2278: 2273: 2271: 2266: 2265: 2262: 2248: 2245: 2243: 2240: 2239: 2238: 2237: 2233: 2231: 2230: 2226: 2221: 2220: 2217: 2211: 2208: 2206: 2203: 2201: 2198: 2196: 2193: 2191: 2188: 2186: 2183: 2182: 2180: 2176: 2166: 2163: 2159: 2156: 2155: 2154: 2151: 2147: 2144: 2143: 2142: 2139: 2135: 2132: 2130: 2127: 2125: 2122: 2120: 2117: 2115: 2112: 2111: 2110: 2107: 2106: 2104: 2102: 2101: 2096: 2090: 2089:Telluroketone 2087: 2085: 2082: 2081: 2079: 2077: 2073: 2067: 2064: 2062: 2059: 2057: 2054: 2052: 2049: 2047: 2044: 2043: 2041: 2039: 2035: 2029: 2026: 2024: 2021: 2020: 2018: 2016: 2012: 2006: 2003: 2001: 1998: 1996: 1993: 1991: 1988: 1986: 1983: 1981: 1978: 1976: 1975:Sulfonic acid 1973: 1971: 1968: 1966: 1965:Sulfinic acid 1963: 1961: 1960:Thiosulfonate 1958: 1956: 1953: 1951: 1950:Thiosulfinate 1948: 1946: 1945:Sulfenic acid 1943: 1941: 1938: 1936: 1933: 1929: 1926: 1925: 1924: 1921: 1919: 1916: 1915: 1913: 1911: 1907: 1901: 1900:Phosphaallene 1898: 1896: 1895:Phosphaalkyne 1893: 1891: 1890:Phosphaalkene 1888: 1884: 1881: 1880: 1879: 1876: 1874: 1871: 1869: 1866: 1864: 1861: 1857: 1854: 1853: 1852: 1849: 1845: 1842: 1841: 1840: 1837: 1836: 1834: 1832: 1828: 1822: 1819: 1817: 1814: 1812: 1809: 1807: 1804: 1802: 1799: 1797: 1794: 1792: 1789: 1787: 1784: 1782: 1779: 1777: 1774: 1772: 1769: 1767: 1764: 1762: 1759: 1757: 1754: 1752: 1749: 1747: 1744: 1742: 1739: 1737: 1734: 1732: 1729: 1727: 1724: 1720: 1717: 1715: 1712: 1711: 1710: 1707: 1706: 1704: 1702: 1698: 1695: 1675: 1663: 1660: 1659: 1658: 1655: 1651: 1648: 1646: 1643: 1642: 1641: 1638: 1637: 1635: 1631: 1625: 1622: 1620: 1617: 1613: 1610: 1609: 1608: 1605: 1601: 1598: 1596: 1593: 1591: 1588: 1587: 1586: 1583: 1582: 1580: 1578: 1574: 1568: 1565: 1563: 1562:Ethylenedioxy 1560: 1556: 1553: 1551: 1548: 1547: 1546: 1543: 1539: 1536: 1534: 1531: 1530: 1529: 1526: 1522: 1519: 1518: 1517: 1514: 1512: 1509: 1507: 1504: 1503: 1501: 1497: 1494: 1488: 1482: 1477: 1472: 1466: 1463: 1461: 1458: 1454: 1451: 1449: 1446: 1445: 1444: 1441: 1437: 1434: 1432: 1429: 1427: 1424: 1422: 1419: 1417: 1414: 1412: 1409: 1408: 1407: 1404: 1400: 1397: 1395: 1392: 1391: 1390: 1387: 1383: 1380: 1378: 1375: 1373: 1370: 1368: 1365: 1363: 1360: 1358: 1355: 1354: 1353: 1350: 1349: 1347: 1341: 1337: 1333: 1326: 1321: 1319: 1314: 1312: 1307: 1306: 1303: 1293: 1287: 1284: 1280: 1276: 1272: 1268: 1261: 1258: 1252: 1249: 1246: 1242: 1236: 1233: 1228: 1222: 1208:on 2010-07-14 1204: 1197: 1191: 1188: 1185: 1181: 1175: 1172: 1167: 1163: 1158: 1153: 1149: 1145: 1141: 1134: 1131: 1126: 1122: 1117: 1112: 1107: 1102: 1098: 1094: 1090: 1083: 1080: 1074: 1071: 1066: 1062: 1058: 1054: 1050: 1046: 1042: 1038: 1031: 1028: 1023: 1019: 1015: 1011: 1007: 1003: 992: 989: 984: 980: 975: 970: 965: 960: 956: 952: 948: 941: 938: 935: 931: 921: 918: 905: 901: 897: 893: 892: 887: 880: 877: 864: 860: 859: 854: 847: 844: 839: 837:0-471-60180-2 833: 829: 822: 819: 812: 808: 805: 803: 800: 799: 795: 793: 791: 787: 783: 779: 777: 773: 769: 764: 760:) "wine" and 759: 754: 750: 746: 742: 738: 730: 728: 726: 722: 708: 704: 700: 689: 678: 668: 660: 658: 656: 652: 640: 636: 632: 628: 621:Chiral methyl 620: 618: 616: 612: 608: 605: 604:photochemical 597: 593: 585: 583: 581: 577: 573: 569: 553: 546:Deprotonation 545: 543: 541: 537: 533: 529: 528:methyl iodide 525: 521: 515: 507: 505: 503: 499: 495: 491: 483: 476: 469: 458: 454: 446: 444: 442: 438: 430: 428: 426: 422: 418: 414: 398: 392: 384: 382: 380: 362: 361: 360: 358: 342: 338: 333: 331: 323: 319: 315: 311: 307: 303: 299: 279: 277: 275: 270: 268: 260: 256: 255:methyl iodide 234: 233: 232: 226: 210: 192: 185:Methyl cation 184: 179: 177: 175: 159: 143: 140:), methylium 127: 116: 112: 108: 104: 100: 96: 78: 74: 70: 66: 63:derived from 62: 58: 54: 45: 39: 30: 19: 18:Carbon cation 3772:Alkyl groups 3707: 3690:Spectroscopy 3544:Astrobiology 3397:Formaldehyde 3289:Benzonitrile 3080:Acetaldehyde 3035:Methanethiol 2986:Acetonitrile 2891:Carbodiimide 2770:Formaldehyde 2765:Cyanoethynyl 2616:Iron cyanide 2611:Hydroperoxyl 2412:Nitric oxide 2234: 2227: 2141:Vinyl halide 2098: 2028:Borinic acid 2023:Boronic acid 2000:Thioxanthate 1356: 1340:Hydrocarbons 1291: 1286: 1278: 1270: 1266: 1260: 1251: 1235: 1210:. Retrieved 1203:the original 1190: 1174: 1147: 1143: 1133: 1096: 1092: 1082: 1073: 1040: 1036: 1030: 1005: 1001: 991: 954: 950: 940: 920: 908:. Retrieved 889: 879: 867:. Retrieved 856: 846: 827: 821: 788:term for an 781: 780: 767: 757: 734: 702: 698: 687: 670: 624: 607:chlorination 589: 576:biosynthesis 549: 517: 494:benzoic acid 482:permanganate 468:formyl group 450: 437:substituents 434: 394: 379:alkali metal 376: 339:and related 334: 283: 280:Methyl anion 271: 267:nucleophiles 252: 194: 156:) or methyl 102: 57:methyl group 56: 50: 43: 3664:Outer space 3574:Cosmic dust 3539:Abiogenesis 3451:Unconfirmed 3407:Heavy water 3247:Ethanethiol 3162:Cyanoallene 3152:Acetic acid 3122:Methylamine 3006:Diacetylene 2921:Formic acid 2911:Cyanomethyl 2569:Diazenylium 2559:CCP radical 2435:(molecular) 2419:(molecular) 2388:(molecular) 2205:Thiocyanate 2200:Sulfonamide 2165:Perchlorate 2153:Acyl halide 2114:Fluoroethyl 1995:Thionoester 1883:Phosphonium 1868:Phosphinate 1863:Phosphonous 1851:Phosphonate 1550:Hydroperoxy 1372:Cyclopropyl 1150:(1): 6–21. 807:Methylation 747:" from the 655:biochemical 639:acetic acid 580:Fatty acids 540:epigenetics 514:Methylation 508:Methylation 427:varieties. 421:radical SAM 395:The methyl 320:; only the 257:and methyl 253:Similarly, 231:2 pathway: 225:protonation 107:hydrocarbon 99:abbreviated 29:Ethyl group 3766:Categories 3579:Cosmic ray 3521:Silylidyne 3484:Hemolithin 3459:Anthracene 3376:Deuterated 3357:Pyrimidine 3167:Ethanimine 3030:Ketenimine 2886:Butadiynyl 2710:Thioformyl 2564:Chloronium 2109:Haloalkane 1980:Thioketone 1935:Persulfide 1831:Phosphorus 1796:Isocyanate 1786:Isonitrile 1687:or oxygen 1685:hydrogen, 1681:not being 1662:Orthoester 1555:Dioxiranes 1533:Enol ether 1421:1-Propenyl 1212:2013-11-26 813:References 665:See also: 568:carbanions 431:Reactivity 328:) and the 304:) and its 3511:Phosphine 3379:molecules 3312:fullerene 3212:Acetamide 3016:Formamide 2896:Cyanamide 2750:Acetylene 2725:Tricarbon 2636:Methylene 2621:Isoformyl 2526:Triatomic 2299:Molecules 2242:inorganic 2076:Tellurium 1990:Thioester 1955:Sulfoxide 1940:Disulfide 1928:Sulfonium 1878:Phosphine 1856:Phosphite 1839:Phosphate 1771:Carbamate 1746:Hydrazone 1679:element, 1677:Only one 1650:Anhydride 1389:Methylene 1166:0890-9369 1065:106409337 745:methylene 731:Etymology 627:deuterium 453:oxidation 447:Oxidation 413:dimerizes 318:superbase 209:gas phase 191:Methenium 75:to three 3498:Linear C 3479:Graphene 3391:Ammonium 3192:Acrolein 3055:Propynal 3040:Methanol 3011:Ethylene 2880:Ammonium 2655:Nitroxyl 2479:Sulfanyl 2423:Imidogen 2417:Nitrogen 2386:Hydrogen 2331:Argonium 2308:Diatomic 2223:See also 2158:Chloride 2084:Tellurol 2038:Selenium 2005:Xanthate 1719:Ammonium 1701:Nitrogen 1683:carbon, 1640:Carboxyl 1607:Aldehyde 1595:Acryloyl 1577:carbonyl 1481:hydrogen 1436:Cumulene 1221:cite web 1125:29743234 1057:30964644 1022:12797825 983:30034765 904:Archived 863:Archived 858:Mashable 796:See also 776:methanol 661:Rotation 613:to give 592:benzylic 520:reagents 364:2 M + CH 259:triflate 115:molecule 95:formulas 77:hydrogen 3644:Kerogen 3531:Related 3474:Glycine 3427:Propyne 3386:Ammonia 3284:Benzene 3279:Acetone 3271:or more 3242:Propene 3227:Ethanol 3117:Propyne 2936:Methane 2805:Ketenyl 2755:Ammonia 2247:organic 2046:Selenol 1970:Sulfone 1923:Sulfide 1821:NONOate 1816:Nitroso 1806:Nitrite 1801:Nitrate 1791:Cyanate 1781:Nitrile 1766:Amidine 1761:Imidate 1731:Nitrene 1726:Hydrazo 1714:Enamine 1645:Acetoxy 1633:carboxy 1600:Benzoyl 1538:Epoxide 1521:Methoxy 1511:Alcohol 1465:Carbene 1399:Methine 1116:6036201 974:6024202 910:27 June 869:27 June 784:is the 667:Rotamer 631:tritium 611:toluene 596:allylic 552:acetone 498:protons 490:toluene 397:radical 368:X → MCH 158:radical 105:. This 65:methane 3695:Tholin 3516:Pyrene 2961:Silane 2931:Ketene 2433:Oxygen 2146:Iodide 2066:Selone 1910:Sulfur 1619:Ketone 1612:Ketene 1590:Acetyl 1545:Peroxy 1516:Alkoxy 1506:Acetal 1487:oxygen 1476:carbon 1460:Alkyne 1453:Benzyl 1448:Phenyl 1431:Allene 1426:Crotyl 1406:Alkene 1394:Bridge 1382:Pentyl 1367:Propyl 1357:Methyl 1275:page 9 1164:  1123:  1113:  1063:  1055:  1020:  981:  971:  891:Nature 834:  802:AdoMet 790:alkane 782:Methyl 707:ethane 643:CHDTCO 635:chiral 530:, and 473:, and 417:ethane 298:ketene 142:cation 93:). In 73:bonded 69:carbon 59:is an 3681:(PAH) 3269:atoms 3204:atoms 3144:atoms 3142:Eight 3072:atoms 3070:Seven 2978:atoms 2872:atoms 2742:atoms 2730:Water 2660:Ozone 2602:(HNC) 2596:(HCN) 2178:Other 2015:Boron 1985:Thial 1918:Thiol 1811:Nitro 1776:Imide 1756:Amide 1741:Oxime 1736:Imine 1709:Amine 1657:Ester 1624:Ynone 1528:Ether 1499:R-O-R 1474:Only 1416:Allyl 1411:Vinyl 1377:Butyl 1362:Ethyl 1352:Alkyl 1292:xylo- 1206:(PDF) 1199:(PDF) 1061:S2CID 758:methy 749:Greek 486:−COOH 478:−COOH 441:acids 126:anion 71:atom 61:alkyl 3202:Nine 2870:Five 2780:HCCN 2740:Four 2700:SiNC 2100:Halo 1585:Acyl 1485:and 1443:Aryl 1227:link 1162:ISSN 1121:PMID 1053:PMID 1018:PMID 979:PMID 912:2023 871:2023 832:ISBN 778:"). 768:hÈłlē 753:ΌέΞυ 739:and 574:and 500:and 471:−CHO 451:The 423:and 372:+ MX 302:torr 55:, a 44:blue 3493:NCO 3393:ion 3300:, C 3267:Ten 2976:Six 2882:ion 1751:Azo 1241:doi 1180:doi 1152:doi 1111:PMC 1101:doi 1097:293 1045:doi 1041:119 1010:doi 1006:103 969:PMC 959:doi 930:doi 896:doi 763:᜕λη 695:R−C 673:R−C 600:C−H 594:or 556:(CH 492:to 460:−CH 415:to 326:LiO 314:mol 119:−CH 101:as 51:In 3768:: 3310:70 3302:60 3298:60 3296:(C 3021:HC 1483:, 1478:, 1277:: 1271:58 1269:, 1223:}} 1219:{{ 1160:. 1148:16 1146:. 1142:. 1119:. 1109:. 1095:. 1091:. 1059:. 1051:. 1039:. 1016:. 1004:. 998:12 977:. 967:. 953:. 949:. 902:. 894:. 888:. 861:. 855:. 727:. 714:CH 710:CH 684:Cl 680:CH 617:. 578:. 564:CO 534:. 526:, 466:, 464:OH 443:. 401:CH 381:. 359:: 345:CH 310:kJ 286:CH 276:. 269:. 244:OH 236:CH 213:CH 197:CH 162:CH 146:CH 130:CH 103:Me 88:CH 81:CH 3500:5 3491:2 3489:H 3436:D 3434:2 3432:N 3308:C 3025:N 3023:4 2645:H 2643:2 2641:N 2283:e 2276:t 2269:v 1324:e 1317:t 1310:v 1294:. 1243:: 1229:) 1215:. 1182:: 1168:. 1154:: 1127:. 1103:: 1067:. 1047:: 1024:. 1012:: 985:. 961:: 955:7 932:: 926:3 914:. 898:: 873:. 840:. 766:( 756:( 716:3 712:3 703:φ 701:( 699:V 691:∞ 688:C 682:3 647:H 645:2 562:2 560:) 558:3 554:( 462:2 406:3 370:3 366:3 351:3 348:− 324:( 312:/ 292:3 289:− 263:N 248:] 246:2 242:3 238:3 229:N 219:3 216:+ 203:3 200:+ 167:3 160:( 152:3 149:+ 144:( 136:3 133:− 128:( 121:3 90:4 83:3 47:) 31:. 20:)

Index

Carbon cation
Ethyl group

organic chemistry
alkyl
methane
carbon
bonded
hydrogen
formulas
abbreviated
hydrocarbon
organic compounds
molecule
anion
cation
radical
valence electrons
Methenium
gas phase
protonation
methyl iodide
triflate
nucleophiles
interstellar space
ketene
torr
enthalpy of reaction
kJ
mol

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