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Organophosphorus chemistry

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of the periodic table, and thus phosphorus compounds and nitrogen compounds have many similar properties. The definition of organophosphorus compounds is variable, which can lead to confusion. In industrial and environmental chemistry, an organophosphorus compound need contain only an organic
92:, and it is general to classify organophosphorus compounds based on their being derivatives of phosphorus(V) vs phosphorus(III), which are the predominant classes of compounds. In a descriptive but only intermittently used nomenclature, phosphorus compounds are identified by their 802:
for converting alcohols into esters. In these processes, the phosphine is oxidized to phosphorus(V). Phosphines have also been found to reduce activated carbonyl groups, for instance the reduction of an α-keto ester to an α-hydroxy ester.
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is a method for the preparation of aminophosphonates. These compounds contain a very inert bond between phosphorus and carbon. Consequently, they hydrolyze to give phosphonic and phosphinic acid derivatives, but not phosphate.
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Racke, K.D. (1992). "Degradation of organophosphorus insecticides in environmental matrices", pp. 47–73 in: Chambers, J.E., Levi, P.E. (eds.), Organophosphates: Chemistry, Fate, and Effects. Academic Press, San Diego,
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Compounds where phosphorus exists in a formal oxidation state of less than III are uncommon, but examples are known for each class. Organophosphorus(0) species are debatably illustrated by the carbene adducts,
849:, one carbon atom in benzene is replaced by phosphorus. Species of this type are relatively rare but for that reason are of interest to researchers. A general method for the synthesis of phosphaalkenes is by 581:. These compounds feature tetrahedral phosphorus(V) and are considered relatives of phosphine oxides. They also are derived from phosphonium salts, but by deprotonation not alkylation. 523:, which is unknown. Related compounds containing both halide and organic substituents on phosphorus are fairly common. Those with five organic substituents are rare, although P(C 976:, formally contain phosphorus-phosphorus double bonds. These phosphorus(I) species are rare but are stable provided that the organic substituents are large enough to prevent 140:. Lacking a P−C bond, these compounds are in the technical sense not organophosphorus compounds but esters of phosphoric acid. Many derivatives are found in nature, such as 1250: 1779: 1057: 1353:
Wang, Yuzhong; Xie, Yaoming; Wei, Pingrong; King, R. Bruce; Schaefer, Iii; Schleyer, Paul v. R.; Robinson, Gregory H. (2008). "Carbene-Stabilized Diphosphorus".
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in the US and British Commonwealth, but phosphane elsewhere. Replacement of one or more hydrogen centers by an organic substituents (alkyl, aryl), gives PH
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is the main method for the synthesis of these compounds. For example, dimethylmethylphosphonate (see figure above) arises from the rearrangement of
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of phosphorus oxychloride. A variety of mixed amido-alkoxo derivatives are known, one medically significant example being the anti-cancer drug
1095: 440:. Approximately 2M kg are produced annually of the chloride and the related sulfate. They are generated by the reaction of phosphine with 1018: 2477: 1772: 1198: 347: 1317:
Zhang, W.; Shi, M. (2006). "Reduction of activated carbonyl groups by alkyl phosphines: formation of α-hydroxy esters and ketones".
1301: 1227: 1146: 1126: 1472: 1403: 637: 331: 1765: 1428: 1163: 355: 870: 739:, and sodium. Phosphines of a more specialized nature are usually prepared by other routes. Phosphorus halides undergo 432:. These species are tetrahedral phosphorus(V) compounds. From the commercial perspective, the most important member is 1649: 783: 2482: 2334: 2329: 2324: 2319: 2314: 2309: 2304: 2299: 2294: 2289: 2284: 2279: 2269: 2212: 2106: 2027: 2022: 1587: 981: 1392: 2370: 2072: 2042: 2032: 2012: 2000: 1968: 1933: 1901: 1869: 1864: 1824: 1421: 1012: 740: 1839: 1803: 1757: 659:). Such species arise via alcoholysis reactions of the corresponding phosphonous and phosphinous chlorides ((PCl 2415: 2410: 2405: 2400: 2395: 2390: 2385: 2380: 2375: 2360: 2350: 2201: 2176: 2171: 2156: 2141: 2121: 2116: 2067: 1995: 1978: 1928: 1923: 1918: 1913: 1889: 1849: 386: 50: 2365: 2355: 2166: 2151: 2136: 2126: 2111: 2052: 2037: 2017: 2007: 1988: 1983: 1973: 1963: 1906: 1874: 1684: 1672: 1319: 943: 926: 787: 382: 1844: 1834: 1501: 2274: 2189: 2131: 2094: 2089: 2077: 2057: 2047: 1953: 1948: 1943: 1884: 1859: 1398: 733: 668: 536: 324:(phosphinate). In aqueous solution, phosphonic acids ionize to give the corresponding organophosphonates. 2082: 1894: 1829: 1819: 1611: 1545: 760: 81:, but need not have a direct phosphorus-carbon (P-C) bond. Thus a large proportion of pesticides (e.g., 1015:—A branch of biochemistry that often relies on organophosphorus probes to interrogate enzyme activities 632:
The reaction is general, thus a vast number of such species are known. Phosphites are employed in the
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The methylation of triphenylphosphine is the first step in the preparation of the Wittig reagent.
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Svara, JĂŒrgen; Weferling, Norbert & Hofmann, Thomas (2006). "Phosphorus Compounds, Organic".
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Illustrative examples of phosphonates and phosphinates in the order shown: Sarin (phosphonate),
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with oxidation state +3. Such species arise from the alcoholysis of phosphorus trichloride:
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that persist in the environment. Some organophosphorus compounds are highly effective
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and (II) are generated by reduction of the related organophosphorus(III) chlorides:
152:. Also derivatives containing the thiophosphoryl group (P=S) include the pesticide 1407: 767: 441: 401: 257: 46: 1190: 1550: 1525: 1517: 1509: 1255: 965: 877: 846: 652: 644: 603: 599: 516: 429: 321: 276: 221: 216: 212: 164:
are produced annually by the reaction of phosphorus pentasulfide with alcohols.
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and some are therefore soluble in water. The P=O bond is very polar with a
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Illustrative organophosphates and related compounds: phosphatidylcholine,
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are esters of phosphonic acid and have the general formula RP(=O)(OR')
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Organic compound with at least one covalent carbon–phosphorus bond
833:(RC≡P). They are similar in structure, but not in reactivity, to 724:
From the commercial perspective, the most important phosphine is
160:, as additives for motor oil. Several million kilograms of this 821:
Compounds with carbon phosphorus(III) multiple bonds are called
279:. Similar to glyphosate mentioned above, it has the structure CH 1761: 1417: 853:
of suitable precursors, initiated thermally or by base such as
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P(=O)(OR'). A commercially significant member is the herbicide
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Illustrative phosphorus(V) compounds: the phosphonium ion P(CH
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Phosphine oxides (designation σλ) have the general structure R
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and the organic alcohol or amine from which they are derived.
156:. The organophosphates prepared on the largest scale are the 132:
feature P(V). Such species are of technological importance as
667:) , respectively). The latter are produced by reaction of a 1404:
NMR predictor for organophosphorus compound chemical shifts
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Their nucleophilicity is evidenced by their reactions with
721:, an organophosphine, generally referred to as phosphines. 33:
is the scientific study of the synthesis and properties of
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for the conversion of organic azides to amines and in the
640:. They also serve as ligands in organometallic chemistry. 1280:
Downing, J.H.; Smith, M.B. (2003). "Phosphorus Ligands".
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P=O with formal oxidation state V. Phosphine oxides form
57:, although some are extremely toxic to humans, including 264:, containing both C–P and F–P bonds, is a phosphonate. 2426: 1214:Engel, Robert; Cohen, JaimeLee Iolani (2004). 643:Intermediate between phosphites and phosphines are 195:In the environment, these compounds break down via 888:=PMe, an unstable species in the condensed phase. 460:A variety of phosphonium salts can be prepared by 85:), are often included in this class of compounds. 751:. Two major applications are as reagents in the 232:, better known as Roundup. With the formula (HO) 585:Organophosphorus(III) compounds, main categories 207:Phosphonic and phosphinic acids and their esters 106:. In this system, a phosphine is a σλ compound. 1117:Dillon, K. B.; Mathey, F.; Nixon, J. F. (1997) 1183:Ullmann's Encyclopedia of Industrial Chemistry 392:Compounds related to phosphine oxides include 110:Organophosphorus(V) compounds, main categories 1773: 1429: 8: 892:Organophosphorus(0), (I), and (II) compounds 252:is one of the most widely used herbicides. 705:The parent compound of the phosphines is PH 436:, Cl, which is used as a fire retardant in 434:tetrakis(hydroxymethyl)phosphonium chloride 363:Phosphine oxides, imides, and chalcogenides 1780: 1766: 1758: 1436: 1422: 1414: 590:Phosphites, phosphonites, and phosphinites 428:Compounds with the formula X comprise the 350:, phosphonates are used in reactions with 1792:with other elements in the periodic table 1176: 1174: 1172: 747:. Organophosphines are nucleophiles and 1355:Journal of the American Chemical Society 1282:Comprehensive Coordination Chemistry II 1059:Merriam-Webster's Unabridged Dictionary 1045: 561:are unsaturated phosphoranes, known as 1809: 845:(RC≡N), respectively. In the compound 271:P–C bonds, with the general formula R 1139:A Guide to Organophosphorus Chemistry 444:in the presence of the mineral acid: 144:. Phosphate ester are synthesized by 7: 2451:Academic research, no widespread use 1216:Synthesis of Carbon-Phosphorus Bonds 1019:Bihar school meal poisoning incident 991:compounds are known, e.g. the cage P 128:have the general structure P(=O)(OR) 743:by organometallic reagents such as 497:, two resonance structures for the 1256:Compendium of Chemical Terminology 612:, have the general structure P(OR) 424:Phosphonium salts and phosphoranes 88:Phosphorus can adopt a variety of 25: 1062:, Merriam-Webster, archived from 807:Phosphaalkenes and phosphaalkynes 2343: 2262: 2194: 2099: 1799: 869: 344:Horner–Wadsworth–Emmons reaction 1087:LewisÊŒ Dictionary of Toxicology 1397:Organophosphorus chemistry at 1391:Organophosphorus chemistry at 1294:10.1016/B0-08-043748-6/01049-5 256:are a class of drugs to treat 1: 1191:10.1002/14356007.a19_545.pub2 982:stabilize phosphorus radicals 608:Phosphites, sometimes called 535:is known, being derived from 348:Seyferth–Gilbert homologation 45:. They are used primarily in 1119:Phosphorus. The Carbon Copy 1084:Lewis, Robert Alan (1998). 980:. Bulky substituents also 115:Phosphate esters and amides 2499: 2478:Organophosphorus compounds 1693:–P(O)(O–)N< 1588:Nucleoside phosphoramidite 1218:(2 ed.). Boca Raton: 1090:. CRC Lewis. p. 763. 919:compounds of phosphorus(I) 810: 698: 638:Michaelis–Arbuzov reaction 593: 366: 332:Michaelis–Arbuzov reaction 210: 118: 35:organophosphorus compounds 31:Organophosphorus chemistry 2340: 2259: 1811: 1807: 1797: 1451: 1222:. §4.3.2.1–7. 1141:; John Wiley & Sons, 1121:; John Wiley & Sons, 1013:Activity-based proteomics 741:nucleophilic displacement 356:Kabachnik–Fields reaction 18:Organophosphorus compound 905:. With the formulae (RP) 794:, as illustrated in the 387:triphenylphosphine oxide 338:, which is catalyzed by 51:chlorinated hydrocarbons 1673:Hexamethylphosphoramide 1269:10.1351/goldbook.P04548 1185:. Weinheim: Wiley-VCH. 788:Baylis-Hillman reaction 784:Rauhut–Currier reaction 2446:Many uses in chemistry 2441:Core organic chemistry 903:N-heterocyclic carbene 776:nucleophilic catalysts 669:phosphorus trichloride 510: 325: 260:. The nerve gas agent 248:H, this derivative of 190: 1518:–P(O)(O–) 761:homogeneous catalysis 675:-alkyl complex, e.g. 488: 468:of organophosphines: 307: 267:Phosphinates feature 199:to eventually afford 172: 158:zinc dithiophosphates 49:as an alternative to 1034:Organothiophosphates 968:, with the formula R 796:Staudinger reduction 624:+ 3 ROH → P(OR) 187:zinc dithiophosphate 162:coordination complex 1620:–OP(O)(N<) 1137:Quin, L. D. (2000) 320:(phosphonate), and 142:phosphatidylcholine 94:coordination number 1698:–P(O)(N<) 1510:–P(O–) 901:, where NHC is an 800:Mitsunobu reaction 755:and as supporting 726:triphenylphosphine 511: 400:PNR') and related 336:trimethylphosphite 326: 191: 175:triphenylphosphate 2483:Functional groups 2465: 2464: 2421: 2420: 1755: 1754: 1410:'s Research Group 1399:www.chem.wisc.edu 1367:10.1021/ja807828t 1326:(11): 1218–1220. 1097:978-1-56670-223-2 790:. Phosphines are 780:organic synthesis 774:. Phosphines are 772:phosphonium salts 757:phosphine ligands 745:Grignard reagents 550:by reaction with 430:phosphonium salts 68:Phosphorus, like 39:organic compounds 16:(Redirected from 2490: 2457: 2452: 2447: 2442: 2347: 2346: 2266: 2265: 2198: 2197: 2103: 2102: 1800: 1782: 1775: 1768: 1759: 1730: 1729: 1727: 1715: 1685:–NP(N<) 1634:Cyclophosphamide 1612:–OP(N<) 1563: 1562: 1484: 1445:Organophosphorus 1438: 1431: 1424: 1415: 1379: 1378: 1350: 1344: 1343: 1332:10.1039/b516467b 1314: 1308: 1307: 1277: 1271: 1248: 1242: 1241: 1211: 1205: 1204: 1178: 1167: 1155: 1149: 1135: 1129: 1115: 1109: 1108: 1106: 1104: 1081: 1075: 1074: 1072: 1071: 1050: 1029:Organophosphites 1024:Organophosphates 932:+ 5 Mg → (PhP) 917:, respectively, 873: 610:phosphite esters 394:phosphine imides 179:cyclophosphamide 150:cyclophosphamide 126:Phosphate esters 90:oxidation states 21: 2498: 2497: 2493: 2492: 2491: 2489: 2488: 2487: 2468: 2467: 2466: 2461: 2460: 2455: 2450: 2445: 2440: 2422: 2344: 2263: 2195: 2100: 1793: 1786: 1756: 1751: 1747: 1738: 1728: 1722: 1720: 1719: 1718: 1716: 1713: 1701: 1688: 1667: 1657: 1653: 1644: 1623: 1615: 1605:Phosphocreatine 1598: 1581: 1573:–P(O)< 1561: 1558: 1557: 1556: 1554: 1539: 1535: 1521: 1513: 1505: 1497: 1488: 1482: 1480: 1476: 1468: 1459: 1447: 1442: 1388: 1383: 1382: 1361:(45): 14970–1. 1352: 1351: 1347: 1316: 1315: 1311: 1304: 1279: 1278: 1274: 1249: 1245: 1230: 1213: 1212: 1208: 1201: 1180: 1179: 1170: 1156: 1152: 1136: 1132: 1116: 1112: 1102: 1100: 1098: 1083: 1082: 1078: 1069: 1067: 1054:Merriam-Webster 1052: 1051: 1047: 1042: 1009: 1002: 998: 994: 975: 971: 961: 957: 953: 947: 939: 935: 930: 916: 912: 908: 900: 894: 887: 884:PH generates CH 883: 851:1,2-elimination 840: 828: 819: 811:Main articles: 809: 792:reducing agents 753:Wittig reaction 737: 720: 716: 708: 703: 701:Organophosphine 697: 666: 662: 658: 650: 634:Perkow reaction 627: 623: 615: 606: 596:Phosphite ester 594:Main articles: 592: 587: 580: 576: 572: 568: 563:Wittig reagents 548: 544: 540: 534: 530: 526: 522: 508: 504: 496: 492: 475: 455: 451: 426: 407: 399: 376: 371: 369:Phosphine oxide 365: 354:compounds. The 318:zoledronic acid 316:(phosphonate), 312:(phosphonate), 298: 294: 290: 286: 282: 274: 254:Bisphosphonates 247: 243: 239: 235: 227: 219: 211:Main articles: 209: 134:flame retardant 131: 123: 121:Organophosphate 117: 112: 28: 23: 22: 15: 12: 11: 5: 2496: 2494: 2486: 2485: 2480: 2470: 2469: 2463: 2462: 2459: 2458: 2453: 2448: 2443: 2438: 2435:Chemical bonds 2431: 2430: 2428: 2424: 2423: 2419: 2418: 2413: 2408: 2403: 2398: 2393: 2388: 2383: 2378: 2373: 2368: 2363: 2358: 2353: 2348: 2341: 2338: 2337: 2332: 2327: 2322: 2317: 2312: 2307: 2302: 2297: 2292: 2287: 2282: 2277: 2272: 2267: 2260: 2257: 2256: 2252: 2251: 2248: 2245: 2242: 2239: 2236: 2233: 2230: 2227: 2224: 2221: 2218: 2215: 2210: 2207: 2204: 2199: 2192: 2187: 2183: 2182: 2179: 2174: 2169: 2164: 2159: 2154: 2149: 2144: 2139: 2134: 2129: 2124: 2119: 2114: 2109: 2104: 2097: 2092: 2086: 2085: 2080: 2075: 2070: 2065: 2060: 2055: 2050: 2045: 2040: 2035: 2030: 2025: 2020: 2015: 2010: 2005: 2003: 1998: 1992: 1991: 1986: 1981: 1976: 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1932: 1930: 1927: 1925: 1922: 1920: 1917: 1915: 1912: 1910: 1908: 1905: 1903: 1900: 1899: 1896: 1893: 1891: 1888: 1886: 1883: 1881: 1878: 1876: 1873: 1871: 1868: 1866: 1863: 1861: 1858: 1857: 1853: 1851: 1848: 1846: 1843: 1841: 1838: 1836: 1833: 1831: 1828: 1826: 1823: 1821: 1818: 1817: 1813: 1805: 1802: 1801: 1796: 1791: 1788:Compounds of 1783: 1778: 1776: 1771: 1769: 1764: 1763: 1760: 1748: 1742: 1740: 1733: 1731: 1726: 1709: 1707: 1706:>P(O)N< 1704: 1702: 1696: 1694: 1691: 1689: 1683: 1679: 1676: 1674: 1670: 1669: 1668: 1662: 1658: 1647: 1646: 1645: 1639: 1635: 1632: 1630: 1626: 1625: 1624: 1618: 1616: 1610: 1606: 1602: 1601: 1600: 1593: 1589: 1585: 1584: 1583: 1576: 1574: 1571: 1569: 1566: 1564: 1549: 1547: 1544: 1540: 1529: 1528: 1527: 1526:–OP< 1524: 1522: 1516: 1514: 1508: 1506: 1500: 1498: 1492: 1490: 1471: 1469: 1463: 1461: 1454: 1453: 1450: 1446: 1439: 1434: 1432: 1427: 1425: 1420: 1419: 1416: 1409: 1405: 1402: 1400: 1396: 1394: 1390: 1389: 1385: 1376: 1372: 1368: 1364: 1360: 1356: 1349: 1346: 1341: 1337: 1333: 1329: 1325: 1322: 1321: 1320:Chem. Commun. 1313: 1310: 1305: 1303:9780080437484 1299: 1295: 1291: 1287: 1283: 1276: 1273: 1270: 1266: 1262: 1258: 1257: 1252: 1247: 1244: 1239: 1235: 1231: 1229:0-8493-1617-0 1225: 1221: 1217: 1210: 1207: 1202: 1196: 1192: 1188: 1184: 1177: 1175: 1173: 1169: 1165: 1161: 1154: 1151: 1148: 1147:0-471-31824-8 1144: 1140: 1134: 1131: 1128: 1127:0-471-97360-2 1124: 1120: 1114: 1111: 1099: 1093: 1089: 1088: 1080: 1077: 1066:on 2020-05-25 1065: 1061: 1060: 1055: 1049: 1046: 1039: 1035: 1032: 1030: 1027: 1025: 1022: 1020: 1017: 1014: 1011: 1010: 1006: 1004: 990: 989:mixed-valence 985: 983: 979: 967: 949: 941: 931: 924: 923: 922: 920: 904: 891: 889: 879: 872: 868: 867: 866: 864: 863:triethylamine 860: 856: 852: 848: 844: 836: 832: 824: 818: 817:Phosphaalkyne 814: 813:Phosphaalkene 806: 804: 801: 797: 793: 789: 785: 781: 777: 773: 769: 768:alkyl halides 764: 762: 758: 754: 750: 746: 742: 738: 731: 730:chlorobenzene 727: 722: 712: 702: 694: 692: 690: 686: 683:, or a mixed 682: 678: 677:organomercury 674: 670: 654: 646: 641: 639: 635: 619: 618: 617: 611: 605: 601: 597: 589: 584: 582: 564: 560: 555: 553: 552:phenyllithium 549: 518: 500: 487: 483: 482: 481: 471: 470: 469: 467: 463: 447: 446: 445: 443: 439: 435: 431: 423: 421: 419: 415: 411: 403: 402:chalcogenides 395: 390: 388: 384: 383:dipole moment 380: 370: 362: 360: 357: 353: 349: 345: 341: 340:methyl iodide 337: 333: 323: 319: 315: 311: 306: 302: 301: 300: 278: 270: 265: 263: 259: 255: 251: 231: 223: 218: 214: 206: 204: 202: 198: 188: 184: 180: 176: 171: 167: 166: 165: 163: 159: 155: 151: 147: 143: 139: 135: 127: 122: 114: 109: 107: 105: 102: 98: 95: 91: 86: 84: 80: 75: 71: 66: 64: 60: 56: 52: 48: 44: 40: 36: 32: 19: 2456:Bond unknown 1879: 1724: 1568:–P< 1502:–P(OH) 1494:OP(O–) 1444: 1408:Alan Brisdon 1358: 1354: 1348: 1323: 1318: 1312: 1285: 1281: 1275: 1254: 1246: 1215: 1209: 1182: 1153: 1138: 1133: 1118: 1113: 1101:. Retrieved 1086: 1079: 1068:, retrieved 1064:the original 1058: 1048: 986: 966:Diphosphenes 964: 950:+ Mg → Ph 895: 876: 820: 765: 723: 704: 645:phosphonites 642: 631: 607: 556: 514: 479: 476:+ R'X → X 459: 442:formaldehyde 427: 391: 372: 329: 268: 266: 258:osteoporosis 222:Phosphonates 220: 194: 138:plasticizers 136:agents, and 124: 87: 67: 55:insecticides 47:pest control 37:, which are 34: 30: 29: 1465:P(O–) 1288:: 253–296. 878:Thermolysis 847:phosphorine 782:, e.g. the 653:phosphinite 604:Phosphinite 600:Phosphonite 557:Phosphorus 517:phosphorane 515:The parent 322:Glufosinate 277:glufosinate 217:Phosphinate 213:Phosphonate 146:alcoholysis 79:substituent 41:containing 2472:Categories 1735:(–O) 1629:Morpholino 1595:(–O) 1578:(–O) 1546:HOP(O)< 1530:free acid 1261:phosphanes 1238:2003060796 1164:0121673456 1070:2015-12-17 1040:References 978:catenation 841:C=NR) and 829:C=PR) and 695:Phosphines 691:compound. 681:organolead 673:poor metal 519:(σλ) is PH 462:alkylation 314:fosfomycin 310:Glyphosate 283:P(O)(OH)CH 230:glyphosate 197:hydrolysis 99:and their 43:phosphorus 2437:to carbon 1664:OP(N<) 1599:P(O)N< 1220:CRC Press 936:+ 5 MgCl 711:phosphine 709:, called 565:, e.g. CH 466:arylation 342:. In the 201:phosphate 183:parathion 154:malathion 83:malathion 1641:P(N<) 1375:18937460 1340:16518496 1007:See also 843:nitriles 770:to give 655:(P(OR)R' 651:R') and 636:and the 628:+ 3 HCl 456:O → X 438:textiles 352:carbonyl 346:and the 74:group 15 72:, is in 70:nitrogen 2255:  1103:18 July 958:+ MgCl 749:ligands 685:lithium 671:with a 250:glycine 101:valency 2427:Legend 1790:carbon 1678:Metepa 1648:e.g. 1582:PN< 1532:HOP(CF 1481:· 1373:  1338:  1300:  1236:  1226:  1197:  1162:  1145:  1125:  1094:  909:and (R 835:imines 647:(P(OR) 602:, and 559:ylides 236:P(O)CH 185:, and 1671:e.g. 1650:P(NMe 1627:e.g. 1603:e.g. 1586:e.g. 1406:from 1251:IUPAC 987:Many 954:P-PPh 927:PhPCl 880:of Me 861:, or 859:DABCO 291:CH(NH 262:sarin 59:sarin 1744:(-P) 1371:PMID 1336:PMID 1324:2006 1298:ISBN 1286:2003 1234:LCCN 1224:ISBN 1195:ISBN 1160:ISBN 1143:ISBN 1123:ISBN 1105:2013 1092:ISBN 984:. 815:and 786:and 464:and 330:The 240:NHCH 215:and 61:and 2401:CEs 2396:CCf 2391:CBk 2386:CCm 2381:CAm 2376:CPu 2371:CNp 2361:CPa 2356:CTh 2335:CYb 2330:CTm 2325:CEr 2320:CHo 2315:CDy 2310:CTb 2305:CGd 2300:CEu 2295:CSm 2290:CPm 2285:CNd 2280:CPr 2275:CCe 2270:CLa 2250:Og 2247:Ts 2244:Lv 2241:Mc 2238:Fl 2235:Nh 2232:Cn 2229:Rg 2226:Ds 2223:Mt 2220:Hs 2217:Bh 2213:CSg 2209:Db 2206:Rf 2190:CRa 2186:Fr 2181:Rn 2177:CAt 2172:CPo 2167:CBi 2162:CPb 2157:CTl 2152:CHg 2147:CAu 2142:CPt 2137:CIr 2132:COs 2127:CRe 2117:CTa 2112:CHf 2107:CLu 2095:CBa 2090:CCs 2083:CXe 2073:CTe 2068:CSb 2063:CSn 2058:CIn 2053:CCd 2048:CAg 2043:CPd 2038:CRh 2033:CRu 2028:CTc 2023:CMo 2018:CNb 2013:CZr 2001:CSr 1996:CRb 1989:CKr 1984:CBr 1979:CSe 1974:CAs 1969:CGe 1964:CGa 1959:CZn 1954:CCu 1949:CNi 1944:CCo 1939:CFe 1934:CMn 1929:CCr 1919:CTi 1914:CSc 1907:CCa 1895:CAr 1890:CCl 1875:CSi 1870:CAl 1865:CMg 1860:CNa 1854:Ne 1825:CBe 1820:CLi 1814:He 1363:doi 1359:130 1328:doi 1290:doi 1265:doi 1263:". 1187:doi 995:(CH 948:PCl 855:DBU 778:in 759:in 734:PCl 715:3−x 620:PCl 569:P(C 537:P(C 505:PCH 493:OH) 299:H. 295:)CO 269:two 2474:: 2416:No 2411:Md 2406:Fm 2366:CU 2351:Ac 2202:Lr 2122:CW 2078:CI 2008:CY 1924:CV 1902:CK 1885:CS 1880:CP 1850:CF 1845:CO 1840:CN 1835:CC 1830:CB 1804:CH 1739:PS 1723:4- 1711:PS 1551:PO 1456:PO 1369:. 1357:. 1334:. 1296:. 1284:. 1253:, 1232:. 1193:. 1171:^ 1056:, 1003:. 944:Ph 942:2 925:5 913:P) 865:: 857:, 837:(R 825:(R 763:. 732:, 679:, 598:, 554:. 501:Ph 472:PR 448:PH 418:Te 416:, 414:Se 412:, 404:(R 396:(R 389:. 287:CH 244:CO 181:, 177:, 63:VX 1781:e 1774:t 1767:v 1746:5 1737:3 1725:x 1717:O 1714:x 1700:2 1687:3 1666:3 1656:3 1654:) 1652:2 1643:3 1622:2 1614:2 1597:2 1580:2 1560:2 1555:H 1553:2 1538:2 1536:) 1534:3 1520:2 1512:2 1504:2 1496:3 1489:O 1487:2 1485:H 1483:n 1479:5 1477:O 1475:2 1473:P 1467:3 1460:H 1458:3 1437:e 1430:t 1423:v 1377:. 1365:: 1342:. 1330:: 1306:. 1292:: 1267:: 1240:. 1203:. 1189:: 1166:. 1107:. 1073:. 1001:3 999:) 997:3 993:7 974:2 972:P 970:2 960:2 956:2 952:2 946:2 938:2 934:5 929:2 915:2 911:2 907:n 899:2 886:2 882:2 839:2 827:2 736:3 719:x 717:R 707:3 687:- 665:2 661:2 657:2 649:2 626:3 622:3 614:3 579:3 577:) 575:5 573:H 571:6 567:2 547:4 545:) 543:5 541:H 539:6 533:5 531:) 529:5 527:H 525:6 521:5 507:2 503:3 495:4 491:2 474:3 454:2 450:3 410:S 406:3 398:3 375:3 297:2 293:2 289:2 285:2 281:3 273:2 246:2 242:2 238:2 234:2 226:2 189:. 130:3 104:λ 97:σ 20:)

Index

Organophosphorus compound
organic compounds
phosphorus
pest control
chlorinated hydrocarbons
insecticides
sarin
VX
nitrogen
group 15
substituent
malathion
oxidation states
coordination number
σ
valency
λ
Organophosphate
Phosphate esters
flame retardant
plasticizers
phosphatidylcholine
alcoholysis
cyclophosphamide
malathion
zinc dithiophosphates
coordination complex

triphenylphosphate
cyclophosphamide

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