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Gomberg's dimer

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Bochkarev, L. N.; Molosnova, N. E.; Zakharov, L. N.; Fukin, G. K.; Yanovsky, A. I.; Struchkov, Y. T. (1995). "1-Diphenylmethylene-4-(triphenylmethyl)cyclohexa-2,5-diene Benzene Solvate".
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Eisenberg, David C.; Lawrie, Christophe J. C.; Moody, Anne E.; Norton, Jack R. (1991). "Relative Rates of Hydrogen Atom (H) Transfer from Transition-Metal Hydrides to Trityl Radicals".
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Pangia, Thomas M.; Davies, Casey G.; Prendergast, Joshua R.; Gordon, Jesse B.; Siegler, Maxime A.; Jameson, Guy N. L.; Goldberg, David P. (28 March 2018).
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InChI=1S/C38H30/c1-6-16-30(17-7-1)37(31-18-8-2-9-19-31)32-26-28-36(29-27-32)38(33-20-10-3-11-21-33,34-22-12-4-13-23-34)35-24-14-5-15-25-35/h1-29,36H
354:. It is a yellow solid that is air-stable for hours at room temperature and soluble in organic solvents. The compound achieved fame as the 218: 193: 312: 589: 393:
Gomberg's dimer can be prepared quantitatively by treating trityl bromide with powdered copper or silver:
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C1=CC=C(C=C1)C(=C2C=CC(C=C2)C(C3=CC=CC=C3)(C4=CC=CC=C4)C5=CC=CC=C5)C6=CC=CC=C6
583: 442: 363: 294: 536:"Observation of Radical Rebound in a Mononuclear Nonheme Iron Model Complex" 569: 32: 551: 520: 263: 116: 23: 382: 305:
Except where otherwise noted, data are given for materials in their
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Acta Crystallographica Section C Crystal Structure Communications
374: 284: 137: 479: 344: 381:. The C-C bond that reversibly breaks is rather long at 159.7 533: 94: 167: 506: 59:
3-triphenylmethyl-6-diphenylmethylidene-1,4-cyclohexadiene
299:140–144 °C; 284–291 °F; 413–417 K 581: 149: 80: 433:Gomberg's dimer reversibly dissociates to the 475: 473: 471: 327:is the organic compound with the formula Ph 388: 124: 559: 540:Journal of the American Chemical Society 509:Journal of the American Chemical Society 468: 178: 582: 205:Key: FWSYACUVHKGULL-UHFFFAOYSA-N 140: 13: 14: 601: 377:structure has been determined by 50:1,1′,1′′-{methanetriyl}tribenzene 441: 253: 31: 22: 309:(at 25 °C , 100 kPa). 527: 500: 247: 1: 461: 7: 449: 10: 606: 494:10.1107/S0108270194009005 303: 234: 214: 189: 64: 56: 44: 39: 30: 21: 362:, which was prepared by 435:triphenylmethyl radical 389:Synthesis and reactions 360:triphenylmethyl radical 437:in organic solvents: 590:Aromatic hydrocarbons 379:X-ray crystallography 552:10.1021/jacs.7b12707 46:Preferred IUPAC name 17:Gomberg's dimer 521:10.1021/ja00013a026 271: g·mol 18: 313:Infobox references 16: 546:(12): 4191–4194. 515:(13): 4888–4895. 366:in his quest for 321:Chemical compound 319: 318: 163:CompTox Dashboard 106:Interactive image 597: 574: 573: 563: 531: 525: 524: 504: 498: 497: 477: 456:Hexaphenylethane 445: 428: 408: 400: 368:hexaphenylethane 270: 255: 249: 242:Chemical formula 182: 171: 169: 153: 142: 128: 108: 84: 35: 26: 19: 15: 605: 604: 600: 599: 598: 596: 595: 594: 580: 579: 578: 577: 532: 528: 505: 501: 478: 469: 464: 452: 426: 424: 420: 416: 412: 406: 404: 398: 391: 352: 348: 342: 338: 334: 330: 325:Gomberg's dimer 322: 315: 310: 268: 258: 252: 244: 230: 227: 222: 221: 210: 207: 206: 203: 197: 196: 185: 172: 165: 156: 143: 131: 111: 98: 87: 74: 60: 52: 51: 12: 11: 5: 603: 593: 592: 576: 575: 526: 499: 488:(3): 489–491. 466: 465: 463: 460: 459: 458: 451: 448: 447: 446: 431: 430: 422: 418: 414: 410: 402: 390: 387: 350: 346: 340: 336: 332: 328: 320: 317: 316: 311: 307:standard state 304: 301: 300: 297: 291: 290: 287: 281: 280: 277: 273: 272: 266: 260: 259: 256: 250: 245: 240: 237: 236: 232: 231: 229: 228: 225: 217: 216: 215: 212: 211: 209: 208: 204: 201: 200: 192: 191: 190: 187: 186: 184: 183: 180:DTXSID10894912 175: 173: 161: 158: 157: 155: 154: 146: 144: 136: 133: 132: 130: 129: 121: 119: 113: 112: 110: 109: 101: 99: 92: 89: 88: 86: 85: 77: 75: 70: 67: 66: 62: 61: 58: 54: 53: 49: 48: 42: 41: 37: 36: 28: 27: 9: 6: 4: 3: 2: 602: 591: 588: 587: 585: 571: 567: 562: 557: 553: 549: 545: 541: 537: 530: 522: 518: 514: 510: 503: 495: 491: 487: 483: 476: 474: 472: 467: 457: 454: 453: 444: 440: 439: 438: 436: 396: 395: 394: 386: 384: 380: 376: 371: 369: 365: 364:Moses Gomberg 361: 357: 353: 343:, where Ph = 326: 314: 308: 302: 298: 296: 295:Melting point 293: 292: 288: 286: 283: 282: 279:Yellow solid 278: 275: 274: 267: 265: 262: 261: 246: 243: 239: 238: 233: 224: 223: 220: 213: 199: 198: 195: 188: 181: 177: 176: 174: 164: 160: 159: 152: 148: 147: 145: 139: 135: 134: 127: 123: 122: 120: 118: 115: 114: 107: 103: 102: 100: 96: 91: 90: 83: 79: 78: 76: 73: 69: 68: 63: 55: 47: 43: 38: 34: 29: 25: 20: 543: 539: 529: 512: 508: 502: 485: 481: 432: 392: 372: 324: 323: 65:Identifiers 57:Other names 276:Appearance 235:Properties 462:References 409:Cu → Ph 383:picometers 289:1.16 g/cm 264:Molar mass 117:ChemSpider 93:3D model ( 82:18909-18-7 72:CAS Number 405:CBr + 2 584:Category 570:29537258 450:See also 561:6047074 375:quinoid 285:Density 269:486.658 138:PubChem 568:  558:  427:  407:  399:  219:SMILES 151:140290 126:123721 40:Names 356:dimer 194:InChI 95:JSmol 566:PMID 429:CuBr 425:+ 2 421:-CPh 373:Its 339:-CPh 556:PMC 548:doi 544:140 517:doi 513:113 490:doi 413:C=C 385:. 370:. 358:of 331:C=C 168:EPA 141:CID 586:: 564:. 554:. 542:. 538:. 511:. 486:51 484:. 470:^ 401:Ph 257:30 251:38 572:. 550:: 523:. 519:: 496:. 492:: 423:3 419:5 417:H 415:6 411:2 403:3 397:2 351:5 349:H 347:6 345:C 341:3 337:5 335:H 333:6 329:2 254:H 248:C 170:) 166:( 97:)

Index



Preferred IUPAC name
CAS Number
18909-18-7
JSmol
Interactive image
ChemSpider
123721
PubChem
140290
CompTox Dashboard
DTXSID10894912
InChI
SMILES
Chemical formula
Molar mass
Density
Melting point
standard state
Infobox references
C6H5
dimer
triphenylmethyl radical
Moses Gomberg
hexaphenylethane
quinoid
X-ray crystallography
picometers
triphenylmethyl radical

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