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Benzvalene

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Swager, T. M.; Dougherty, D. A.; Grubbs, R. H. (1988). "Strained rings as a source of unsaturation: polybenzvalene, a new soluble polyacetylene precursor".
683: 497: 468: 403: 371:) by irradiation of benzene at 237 to 254 nm. The hydrocarbon in solution was described as having an extremely foul odor. Due to the high 181: 375:
present in benzvalene, the pure compound (~71 kcal/mol higher in energy than benzene) easily detonates, for example by scratching.
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Kaplan, Louis; Wilzbach, K. E. (1968-06-01). "Photolysis of benzene vapor. Benzvalene formation at wavelengths 2537-2370 A".
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Scott, Lawrence T.; Jones, Maitland. (1972). "Rearrangements and interconversions of compounds of the formula (CH)n".
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Wilzbach, K. E.; Ritscher, J. S.; Kaplan, L. (1967). "Benzvalene, the Tricyclic Valence Isomer of Benzene".
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to 1,3-dienes and for this reason polybenzvalene has been investigated as a precursor to
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Katz, T. J.; Roth, R. J.; Acton, N.; Carnahan, E. J. (1999). "Synthesis of Benzvalene".
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Christl, M. (1981). "Benzvalene—Properties and Synthetic Potential".
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Katz, T. J.; Wang, E. J.; Acton, N. (1971). "Benzvalene synthesis".
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Except where otherwise noted, data are given for materials in their
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rings which again makes it a sensitive material. The rings can be
87: 77: 332:. It was first synthesized in 1967 by K. E. Wilzbach et al. via 363:
at −45 °C. It can also be formed in low yield (along with
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and the synthesis was later improved by Thomas J. Katz et al.
150: 293: 441:Angewandte Chemie International Edition in English 132: 386:transition is believed to take place through a 63: 8: 165: 107: 15: 410:. This polymer contains highly strained 343:The 1971 synthesis consisted of treating 615:Journal of the American Chemical Society 553:Journal of the American Chemical Society 498:Journal of the American Chemical Society 469:Journal of the American Chemical Society 378:The compound converts to benzene with a 431: 221: 186: 161: 190:InChI=1S/C6H6/c1-2-4-5-3(1)6(4)5/h1-6H 200:InChI=1/C6H6/c1-2-4-5-3(1)6(4)5/h1-6H 193:Key: VMQPMGHYRISRHO-UHFFFAOYSA-N 7: 203:Key: VMQPMGHYRISRHO-UHFFFAOYAJ 123: 684:Substances discovered in the 1970s 14: 642: 526:The Journal of Organic Chemistry 283: 251: 22: 382:of approximately 10 days. This 279:(at 25 °C , 100 kPa). 245: 1: 700: 273: 232: 212: 177: 47: 35: 30: 21: 453:10.1002/anie.198105291 651:at Wikimedia Commons 359:and methyllithium in 37:Preferred IUPAC name 674:Tricyclic compounds 664:Explosive chemicals 627:10.1021/ja00217a049 600:10.1021/cr60276a004 565:10.1021/ja01014a086 511:10.1021/ja00744a045 482:10.1021/ja00980a053 324:and one of several 269: g·mol 18: 398:Benzvalene can be 384:symmetry-forbidden 380:chemical half-life 306:Infobox references 16: 647:Media related to 559:(12): 3291–3292. 538:10.1021/jo990883g 314:Chemical compound 312: 311: 146:CompTox Dashboard 89:Interactive image 41:Tricyclohex-3-ene 691: 646: 631: 630: 610: 604: 603: 588:Chemical Reviews 583: 577: 576: 548: 542: 541: 521: 515: 514: 492: 486: 485: 463: 457: 456: 436: 322:organic compound 296: 290: 287: 286: 268: 253: 247: 240:Chemical formula 170: 169: 154: 152: 136: 125: 111: 91: 67: 26: 19: 699: 698: 694: 693: 692: 690: 689: 688: 654: 653: 640: 635: 634: 612: 611: 607: 585: 584: 580: 550: 549: 545: 523: 522: 518: 494: 493: 489: 465: 464: 460: 447:(67): 529–546. 438: 437: 433: 428: 396: 357:dichloromethane 345:cyclopentadiene 315: 308: 303: 302: 301:  ?) 292: 288: 284: 280: 266: 256: 250: 242: 228: 225: 220: 219: 208: 205: 204: 201: 195: 194: 191: 185: 184: 173: 155: 148: 139: 126: 114: 94: 81: 70: 57: 43: 42: 12: 11: 5: 697: 695: 687: 686: 681: 676: 671: 666: 656: 655: 639: 638:External links 636: 633: 632: 605: 578: 543: 516: 487: 458: 430: 429: 427: 424: 408:polybenzvalene 395: 394:Polybenzvalene 392: 390:intermediate. 355:and then with 353:dimethyl ether 313: 310: 309: 304: 282: 281: 277:standard state 274: 271: 270: 264: 258: 257: 254: 248: 243: 238: 235: 234: 230: 229: 227: 226: 223: 215: 214: 213: 210: 209: 207: 206: 202: 199: 198: 196: 192: 189: 188: 180: 179: 178: 175: 174: 172: 171: 163:DTXSID00216109 158: 156: 144: 141: 140: 138: 137: 129: 127: 119: 116: 115: 113: 112: 104: 102: 96: 95: 93: 92: 84: 82: 75: 72: 71: 69: 68: 60: 58: 53: 50: 49: 45: 44: 40: 39: 33: 32: 28: 27: 13: 10: 9: 6: 4: 3: 2: 696: 685: 682: 680: 679:Cyclopentenes 677: 675: 672: 670: 667: 665: 662: 661: 659: 652: 650: 645: 637: 628: 624: 620: 616: 609: 606: 601: 597: 593: 589: 582: 579: 574: 570: 566: 562: 558: 554: 547: 544: 539: 535: 531: 527: 520: 517: 512: 508: 504: 500: 499: 491: 488: 483: 479: 475: 471: 470: 462: 459: 454: 450: 446: 442: 435: 432: 425: 423: 421: 420:polyacetylene 417: 413: 412:bicyclobutane 409: 405: 401: 393: 391: 389: 385: 381: 376: 374: 373:steric strain 370: 369:Dewar benzene 366: 362: 361:diethyl ether 358: 354: 350: 349:methyllithium 346: 341: 339: 335: 331: 327: 323: 319: 307: 300: 295: 278: 272: 265: 263: 260: 259: 244: 241: 237: 236: 231: 224:C1=CC2C3C1C23 222: 218: 211: 197: 187: 183: 176: 168: 164: 160: 159: 157: 147: 143: 142: 135: 131: 130: 128: 122: 118: 117: 110: 106: 105: 103: 101: 98: 97: 90: 86: 85: 83: 79: 74: 73: 66: 62: 61: 59: 56: 52: 51: 46: 38: 34: 29: 25: 20: 669:Cycloalkenes 641: 618: 614: 608: 591: 587: 581: 556: 552: 546: 532:(20): 7663. 529: 525: 519: 505:(15): 3782. 502: 496: 490: 473: 467: 461: 444: 440: 434: 407: 397: 377: 342: 317: 316: 48:Identifiers 621:(9): 2973. 476:(4): 1031. 406:process to 400:polymerized 233:Properties 17:Benzvalene 658:Categories 649:Benzvalene 594:(2): 181. 426:References 416:isomerized 334:photolysis 318:Benzvalene 262:Molar mass 100:ChemSpider 76:3D model ( 55:CAS Number 573:0002-7863 388:diradical 65:659-85-8 365:fulvene 338:benzene 330:benzene 326:isomers 299:what is 297: ( 121:PubChem 571:  320:is an 294:verify 291:  267:78.114 217:SMILES 134:136470 109:120239 31:Names 402:in a 347:with 182:InChI 78:JSmol 569:ISSN 404:ROMP 367:and 623:doi 619:110 596:doi 561:doi 534:doi 507:doi 478:doi 449:doi 351:in 336:of 328:of 151:EPA 124:CID 660:: 617:. 592:72 590:. 567:. 557:90 555:. 530:64 528:. 503:93 501:. 474:89 472:. 445:20 443:. 422:. 629:. 625:: 602:. 598:: 575:. 563:: 540:. 536:: 513:. 509:: 484:. 480:: 455:. 451:: 289:N 255:6 252:H 249:6 246:C 153:) 149:( 80:)

Index


Preferred IUPAC name
CAS Number
659-85-8
JSmol
Interactive image
ChemSpider
120239
PubChem
136470
CompTox Dashboard
DTXSID00216109
Edit this at Wikidata
InChI
SMILES
Chemical formula
Molar mass
standard state
verify
what is
Infobox references
organic compound
isomers
benzene
photolysis
benzene
cyclopentadiene
methyllithium
dimethyl ether
dichloromethane

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