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Benzyl group

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Smith, Amos B.; Zhu, Wenyu; Shirakami, Shohei; Sfouggatakis, Chris; Doughty, Victoria A.; Bennett, Clay S.; Sakamoto, Yasuharu (2003-03-01). "Total Synthesis of (+)-Spongistatin 1. An Effective Second-Generation Construction of an Advanced EF Wittig Salt, Fragment Union, and Final Elaboration".
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Zhou, Hao; Liao, Xuebin; Cook, James M. (2004-01-01). "Regiospecific, Enantiospecific Total Synthesis of the 12-Alkoxy-Substituted Indole Alkaloids, (+)-12-Methoxy-Na-methylvellosimine, (+)-12-Methoxyaffinisine, and (−)-Fuchsiaefoline".
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Zhang, Xian-Man; Bordwell, Frederick G. (1992). "Homolytic bond dissociation energies of the benzylic carbon-hydrogen bonds in radical anions and radical cations derived from fluorenes, triphenylmethanes, and related compounds".
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Takaku, Hiroshi; Kamaike, Kazuo; Tsuchiya, Hiromichi (1984-01-01). "Oligonucleotide synthesis. Part 21. Synthesis of ribooligonucleotides using the 4-methoxybenzyl group as a new protecting group for the 2′-hydroxyl group".
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Benzyl groups are occasionally employed as protecting groups in organic synthesis. Their installation and especially their removal require relatively harsh conditions, so benzyl is not typically preferred for protection.
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is about 10–15% weaker than other kinds of C−H bonds. The neighboring aromatic ring stabilizes benzyl radicals. The data tabulated below compare benzylic C−H bond to related C−H bond strengths.
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Cain, Christian M.; Cousins, Richard P. C.; Coumbarides, Greg; Simpkins, Nigel S. (1990-01-01). "Asymmetric deprotonation of prochiral ketones using chiral lithium amide bases".
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Mukaiyama, Teruaki; Shiina, Isamu; Iwadare, Hayato; Saitoh, Masahiro; Nishimura, Toshihiro; Ohkawa, Naoto; Sakoh, Hiroki; Nishimura, Koji; Tani, Yu-ichirou (1999-01-04).
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Hanessian, Stephen; Marcotte, Stéphane; Machaalani, Roger; Huang, Guobin (2003-11-01). "Total Synthesis and Structural Confirmation of Malayamycin A: A Novel Bicyclic
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Rong, Yi; Al-Harbi, Ahmed; Parkin, Gerard (2012). "Highly Variable Zr–CH2–Ph Bond Angles in Tetrabenzylzirconium: Analysis of Benzyl Ligand Coordination Modes".
288:. None of these species can be formed in significant amounts in the solution phase under normal conditions, but they are useful referents for discussion of 653:
The weakness of the C−H bond reflects the stability of the benzylic radical. For related reasons, benzylic substituents exhibit enhanced reactivity, as in
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can be represented as BnOH. Less common abbreviations are Bzl and Bz, the latter of which is ambiguous as it is also the standard abbreviation for the
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Kuehne, Martin E.; Xu, Feng (1993-12-01). "Total synthesis of strychnan and aspidospermatan alkaloids. 3. The total synthesis of (±)-strychnine".
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Fukuzawa, Akio; Sato, Hideaki; Masamune, Tadashi (1987-01-01). "Synthesis of (±)-prepinnaterpene, a bromoditerpene from the red alga Yamada".
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Xue, Xiao-Song; Ji, Pengju; Zhou, Biying; Cheng, Jin-Pei (2017). "The Essential Role of Bond Energetics in C–H Activation/Functionalization".
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Van Hijfte, Luc; Little, R. Daniel (1985-10-01). "Intramolecular 1,3-diyl trapping reactions. A formal total synthesis of (±)-coriolin".
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Marco, José L.; Hueso-Rodríguez, Juan A. (1988-01-01). "Synthesis of optically pure 1-(3-furyl)-1,2-dihydroxyethane derivatives".
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Sirkecioglu, Okan; Karliga, Bekir; Talinli, Naciye (2003-11-10). "Benzylation of alcohols by using biscopper as catalyst".
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Baran, Phil S.; Zhong, Yong-Li (2001-04-01). "Selective Oxidation at Carbon Adjacent to Aromatic Systems with IBX".
878:). Any non-tertiary benzylic alkyl group will be oxidized to a carboxyl group by aqueous potassium permanganate ( 2276: 3106: 1220: 864: 3235: 2679: 2269: 863:
In a few cases, these benzylic transformations occur under conditions suitable for lab synthesis. The
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Conditions for deprotection of benzyl group are applicable for cleavage of the PMB protecting group
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4-methoxybenzyl-2,2,2-trichloroacetimidate can be used to install the PMB group in presence of:
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Benzyl protecting groups can be removed using a wide range of oxidizing agents including:
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Sheehan, Richard J. "Terephthalic Acid, Dimethyl Terephthalate, and Isophthalic Acid".
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is used to describe the position of the first carbon bonded to a benzene or other
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at ambient temperature (selectivity can be achieved under specific conditions)
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Benzyl is commonly used in organic synthesis as a robust protecting group for
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Millions of tonnes of terephthalic acid are produced annually by this method.
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10.1002/(SICI)1521-3765(19990104)5:1<121::AID-CHEM121>3.0.CO;2-O
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can be selectively benzylated in presence of phenol functional groups using
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Johnston, Jeffrey N. (2001), "Chromium(VI) Oxide–3,5-Dimethylpyrazole",
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The enhanced reactivity of benzylic positions is attributed to the low
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Advanced Organic Chemistry, Part A: Structure and Mechanisms
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Trost, Barry M.; Waser, Jerome; Meyer, Arndt (2007-11-01).
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Treatment of alcohol with a strong base such as powdered
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oxidizes exclusively at the benzylic positions to give
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is referred to as a "benzylic" carbocation. The benzyl
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Benzyl is most commonly abbreviated Bn. For example,
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Chandler), Norman, R. O. C. (Richard Oswald (1993).
1544:. Schore, Neil Eric, 1948- (8e ed.). New York. 2207: 844: 240:. The benzyl cation or phenylcarbenium ion is the 1417:(5th ed.). New York, NY: Springer. pp.  335: 264:; the benzyl anion or phenylmethanide ion is the 3222: 1787: 1956: 1722:Greene's Protective Groups in Organic Synthesis 1720:Wuts, Peter G. M.; Greene, Theodora W. (2006). 1542:Organic chemistry : structure and function 344:for benzylic C−H bonds. Specifically, the bond 96:or molecular fragment possessing the structure 1640:Encyclopedia of Reagents for Organic Synthesis 1508:Ullmann's Encyclopedia of Industrial Chemistry 1441: 2277: 2059:-Nucleoside from Streptomyces malaysiensis". 1476: 1408: 2163: 1623:: CS1 maint: multiple names: authors list ( 1959:"Total Synthesis of (−)-Pseudolaric Acid B" 1576:) CS1 maint: multiple names: authors list ( 1277:The benzyl group is occasionally used as a 1204:-methoxybenzyl halide (chloride or bromide) 68:, and benzyl methyl ether. R = heteroatom, 2284: 2270: 1719: 1669: 1572:: CS1 maint: location missing publisher ( 859:Functionalization at the benzylic position 2031: 1990: 1590: 1355: 1244: 1003:(DMF) at ambient to elevated temperatures 824: 746: 442:one of the strongest aliphatic C−H bonds 292:and may exist as reactive intermediates. 2101: 1963:Journal of the American Chemical Society 1672:Journal of the American Chemical Society 1637: 1480:Journal of the American Chemical Society 1371: 1178: 931: 44: 2016:"Asymmetric Total Synthesis of Taxol\R" 1019: 14: 3223: 2201: 1724:(4th ed.). Wiley Online Library. 1540:C., Vollhardt, K. Peter (2018-01-29). 1409:Carey, F. A.; Sundberg, R. J. (2008). 2291: 2265: 940: 867:will brominate a benzylic C–H bond: ( 1715: 1713: 1711: 1709: 416:such bonds show enhanced reactivity 177:. Benzyl is not to be confused with 1504: 1470: 1272: 1024:Benzyl ethers can be removed under 572:more activated vs diphenylmethyle ( 24: 1539: 1343: 1311: 1257: 1230: 1052: 976: 509:comparable to vinyl radical, rare 25: 3247: 2231: 1706: 1380:with H atoms omitted for clarity. 2249: 2238: 2104:The Journal of Organic Chemistry 1924:The Journal of Organic Chemistry 1790:The Journal of Organic Chemistry 295: 2157: 2130: 2095: 2048: 2007: 1950: 1914: 1887: 1843: 1816: 1781: 1754: 1593:Principles of organic synthesis 1149:-methoxybenzyl protecting group 885:) or concentrated nitric acid ( 141: 2020:Chemistry – A European Journal 1663: 1631: 1584: 1533: 1498: 1435: 1402: 760: 336:Reactivity of benzylic centers 13: 1: 2151:10.1016/S0040-4020(01)85435-1 1908:10.1016/S0040-4039(00)87907-1 1775:10.1016/S0040-4039(00)96491-8 1396: 1221:Trifluoromethanesulfonic acid 1192:Strong base such as powdered 1063:Single electron process with 1837:10.1016/j.tetlet.2003.09.106 1176:is used to protect thiols). 928:in DMSO performs similarly. 900:). Finally, the complex of 50:Benzyl group and derivatives 7: 1642:, American Cancer Society, 1456:10.1021/acs.chemrev.6b00664 1384: 80:etc. or other substituents. 10: 3252: 29: 27:Chemical group (–CH₂–C₆H₅) 3179: 3138: 3058: 3035: 2997: 2974: 2869: 2790: 2660: 2637: 2593: 2536: 2459: 2434: 2299: 1250:2,3-Dichloro-5,6-dicyano- 1217:) in toluene at 0 °C 659:free radical halogenation 414:akin to allylic C−H bonds 374: 372:Bond-dissociation energy 371: 368: 365: 169:substituent, for example 1648:10.1002/047084289x.rc170 1517:10.1002/14356007.a26_193 1289:. Other methods exist. 539:similar to benzylic C-H 342:bond dissociation energy 30:Not to be confused with 3190:chemical classification 1511:. Weinheim: Wiley-VCH. 1364:in the presence of the 1211:Scandium (III) triflate 52:: Benzyl group, benzyl 2254:Quotations related to 1381: 1348: 1316: 1262: 1235: 1188: 1099:at ambient temperature 1057: 991:can be achieved using 981: 846: 81: 3197:chemical nomenclature 1375: 1347: 1315: 1261: 1234: 1182: 1056: 980: 932:As a protecting group 865:Wohl-Ziegler reaction 847: 472:slightly weaker than 48: 2245:Chemistry portal 1378:tetrabenzylzirconium 1356:Deprotection methods 1254:-benzoquinone (DDQ) 1245:Deprotection methods 1187:-methoxybenzyl group 1174:4-Methoxybenzylthiol 1020:Deprotection methods 926:2-iodoxybenzoic acid 906:3,5-dimethylpyrazole 684: 111:. Benzyl features a 66:benzyl chloroformate 2653:not C, H or O) 2116:10.1021/jo00078a030 1969:(47): 14556–14557. 1936:10.1021/jo00175a010 1896:Tetrahedron Letters 1825:Tetrahedron Letters 1802:10.1021/jo00220a058 1763:Tetrahedron Letters 1492:10.1021/ja00051a010 1297:and benzyl halide ( 1295:potassium carbonate 1194:potassium hydroxide 987:Monobenzylation of 965:and benzyl halide ( 959:potassium hydroxide 837: 814: 801: 788: 775: 759: 739: 726: 713: 700: 609:"doubly benzylic" ( 290:reaction mechanisms 200:ring. For example, 3095:Hypervalent iodine 1730:10.1002/0470053488 1382: 1349: 1317: 1263: 1236: 1189: 1058: 982: 941:Alcohol protection 842: 825: 802: 789: 776: 763: 747: 727: 714: 701: 688: 647:"triply benzylic" 405:benzylic C−H bond 332:, abbreviated Ph. 148:IUPAC nomenclature 82: 3236:Protecting groups 3218: 3217: 3156:Sulfenyl chloride 3134: 3133: 2633: 2632: 2452:(only C, H and O) 2293:Functional groups 2222:10.1021/om300820b 2216:(23): 8208–8217. 2179:10.1021/ol0362212 2110:(26): 7490–7497. 2073:10.1021/ol030095k 2067:(23): 4277–4280. 1975:10.1021/ja076165q 1902:(20): 2459–2462. 1865:10.1021/ol034037a 1831:(46): 8483–8485. 1796:(20): 3940–3942. 1769:(37): 4303–4306. 1684:10.1021/ja004218x 1678:(13): 3183–3185. 1486:(25): 9787–9792. 1450:(13): 8622–8648. 1287:organic synthesis 1170:organic synthesis 1111:-Bromosuccinimide 1038:, and the use of 1001:dimethylformamide 902:chromium trioxide 840: 828: 817: 805: 792: 779: 766: 750: 730: 717: 704: 691: 675:terephthalic acid 651: 650: 268:with the formula 181:with the formula 86:organic chemistry 16:(Redirected from 3243: 3185: 3090:Trifluoromethoxy 2658: 2657: 2654: 2457: 2456: 2453: 2306: 2286: 2279: 2272: 2263: 2262: 2253: 2243: 2242: 2241: 2226: 2225: 2205: 2199: 2198: 2161: 2155: 2154: 2134: 2128: 2127: 2099: 2093: 2092: 2052: 2046: 2045: 2035: 2011: 2005: 2004: 1994: 1954: 1948: 1947: 1918: 1912: 1911: 1891: 1885: 1884: 1847: 1841: 1840: 1820: 1814: 1813: 1785: 1779: 1778: 1758: 1752: 1751: 1717: 1704: 1703: 1667: 1661: 1660: 1635: 1629: 1628: 1622: 1614: 1588: 1582: 1581: 1571: 1563: 1537: 1531: 1530: 1502: 1496: 1495: 1474: 1468: 1467: 1444:Chemical Reviews 1439: 1433: 1432: 1416: 1406: 1279:protecting group 1273:Amine protection 1162:protecting group 1156:-Methoxybenzyl ( 1120:-Iodosuccinimide 1007:Primary alcohols 951:carboxylic acids 923: 915: 899: 891: 884: 877: 851: 849: 848: 843: 841: 838: 836: 833: 826: 815: 813: 810: 803: 800: 797: 790: 787: 784: 777: 774: 771: 764: 758: 755: 748: 738: 735: 728: 725: 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1387: 1358: 1334: 1275: 1247: 1225:dichloromethane 1216: 1160:) is used as a 1151: 1138:dichloromethane 1135: 1093: 1081: 1072: 1022: 1014: 996: 943: 934: 921: 917: 913: 909: 897: 893: 890: 886: 883: 879: 876: 872: 868: 861: 834: 829: 811: 806: 798: 793: 785: 780: 772: 767: 756: 751: 736: 731: 723: 718: 710: 705: 697: 692: 687: 685: 682: 681: 630: 626: 622: 618: 593: 589: 585: 581: 556: 552: 548: 544: 522: 518: 514: 492: 488: 484: 477: 473: 455: 451: 447: 425: 421: 415: 400: 396: 392: 388: 357: 353: 349: 345: 338: 329: 325: 321: 317: 313: 309: 298: 283: 280: 279: 277: 273: 269: 259: 256: 255: 253: 249: 245: 237: 233: 229: 225: 217: 213: 209: 205: 201: 190: 186: 182: 175:benzyl benzoate 171:benzyl chloride 167: 163: 159: 155: 144: 135: 131: 128:methylene group 124: 120: 116: 109: 105: 101: 97: 49: 43: 28: 23: 22: 15: 12: 11: 5: 3249: 3239: 3238: 3233: 3216: 3215: 3213: 3212: 3211: 3210: 3205: 3193: 3186: 3180: 3177: 3176: 3174: 3173: 3171:Sulfinylamines 3168: 3163: 3158: 3153: 3151:Phosphoramides 3148: 3146:Isothiocyanate 3142: 3140: 3136: 3135: 3132: 3131: 3129: 3128: 3123: 3122: 3121: 3111: 3110: 3109: 3099: 3098: 3097: 3092: 3087: 3082: 3077: 3066: 3064: 3056: 3055: 3053: 3052: 3047: 3041: 3039: 3033: 3032: 3030: 3029: 3024: 3022:Selenenic acid 3019: 3017:Seleninic acid 3014: 3012:Selenonic acid 3009: 3003: 3001: 2995: 2994: 2992: 2991: 2986: 2980: 2978: 2972: 2971: 2969: 2968: 2963: 2958: 2953: 2948: 2943: 2938: 2933: 2928: 2923: 2918: 2913: 2908: 2903: 2898: 2893: 2892: 2891: 2881: 2875: 2873: 2867: 2866: 2864: 2863: 2858: 2853: 2848: 2847: 2846: 2836: 2831: 2826: 2821: 2820: 2819: 2809: 2808: 2807: 2805:Phosphodiester 2796: 2794: 2788: 2787: 2785: 2784: 2779: 2774: 2769: 2764: 2759: 2754: 2749: 2744: 2739: 2734: 2729: 2724: 2719: 2714: 2709: 2704: 2699: 2694: 2689: 2684: 2683: 2682: 2677: 2666: 2664: 2655: 2651:(one element, 2635: 2634: 2631: 2630: 2628: 2627: 2626: 2625: 2615: 2614: 2613: 2608: 2597: 2595: 2591: 2590: 2588: 2587: 2582: 2577: 2576: 2575: 2565: 2564: 2563: 2558: 2553: 2542: 2540: 2534: 2533: 2531: 2530: 2528:Methylenedioxy 2525: 2520: 2519: 2518: 2513: 2503: 2502: 2501: 2496: 2486: 2485: 2484: 2474: 2469: 2463: 2461: 2454: 2432: 2431: 2429: 2428: 2423: 2418: 2417: 2416: 2411: 2401: 2400: 2399: 2394: 2389: 2384: 2379: 2374: 2364: 2363: 2362: 2357: 2347: 2346: 2345: 2340: 2335: 2330: 2325: 2320: 2309: 2307: 2305:(only C and H) 2297: 2296: 2289: 2288: 2281: 2274: 2266: 2260: 2259: 2247: 2233: 2232:External links 2230: 2228: 2227: 2200: 2173:(2): 249–252. 2156: 2145:(2): 523–544. 2129: 2094: 2047: 2026:(1): 121–161. 2006: 1949: 1913: 1886: 1859:(5): 761–764. 1842: 1815: 1780: 1753: 1738: 1705: 1662: 1656: 1630: 1602:978-0751401264 1601: 1583: 1550: 1532: 1526:978-3527306732 1525: 1497: 1469: 1434: 1427: 1400: 1398: 1395: 1394: 1393: 1386: 1383: 1370: 1369: 1357: 1354: 1353: 1352: 1351: 1350: 1332: 1320: 1319: 1318: 1274: 1271: 1270: 1269: 1266: 1265: 1264: 1246: 1243: 1242: 1241: 1240: 1239: 1238: 1237: 1218: 1214: 1205: 1198:sodium hydride 1150: 1143: 1142: 1141: 1133: 1130:Trimethylsilyl 1126: 1125: 1124: 1123: 1114: 1105: 1100: 1091: 1083: 1082: 1079: 1070: 1061: 1060: 1059: 1048:hydrogenolysis 1046:Removed using 1021: 1018: 1017: 1016: 1012: 1004: 994: 985: 984: 983: 963:sodium hydride 942: 939: 933: 930: 919: 911: 895: 888: 881: 874: 870: 860: 857: 853: 852: 832: 823: 820: 809: 796: 783: 770: 762: 754: 745: 742: 734: 721: 708: 695: 663:hydrogenolysis 649: 648: 645: 642: 639: 633: 628: 624: 620: 615: 614: 607: 605: 602: 599:diphenylmethyl 596: 591: 587: 583: 578: 577: 570: 568: 565: 559: 554: 550: 546: 541: 540: 537: 534: 531: 525: 520: 516: 511: 510: 507: 504: 501: 495: 490: 486: 481: 480: 475: 470: 467: 464: 458: 453: 449: 444: 443: 440: 437: 434: 428: 423: 418: 417: 412: 409: 406: 403: 398: 394: 390: 385: 384: 381: 377: 376: 373: 370: 367: 355: 351: 347: 337: 334: 327: 323: 315: 311: 302:benzyl alcohol 297: 294: 275: 271: 251: 247: 235: 231: 227: 215: 211: 207: 203: 188: 184: 165: 161: 157: 143: 140: 133: 122: 118: 107: 103: 99: 62:benzyl bromide 26: 9: 6: 4: 3: 2: 3248: 3237: 3234: 3232: 3229: 3228: 3226: 3209: 3206: 3204: 3201: 3200: 3199: 3198: 3194: 3192: 3191: 3187: 3182: 3181: 3178: 3172: 3169: 3167: 3164: 3162: 3159: 3157: 3154: 3152: 3149: 3147: 3144: 3143: 3141: 3137: 3127: 3124: 3120: 3117: 3116: 3115: 3112: 3108: 3105: 3104: 3103: 3100: 3096: 3093: 3091: 3088: 3086: 3083: 3081: 3078: 3076: 3073: 3072: 3071: 3068: 3067: 3065: 3063: 3062: 3057: 3051: 3050:Telluroketone 3048: 3046: 3043: 3042: 3040: 3038: 3034: 3028: 3025: 3023: 3020: 3018: 3015: 3013: 3010: 3008: 3005: 3004: 3002: 3000: 2996: 2990: 2987: 2985: 2982: 2981: 2979: 2977: 2973: 2967: 2964: 2962: 2959: 2957: 2954: 2952: 2949: 2947: 2944: 2942: 2939: 2937: 2936:Sulfonic acid 2934: 2932: 2929: 2927: 2926:Sulfinic acid 2924: 2922: 2921:Thiosulfonate 2919: 2917: 2914: 2912: 2911:Thiosulfinate 2909: 2907: 2906:Sulfenic acid 2904: 2902: 2899: 2897: 2894: 2890: 2887: 2886: 2885: 2882: 2880: 2877: 2876: 2874: 2872: 2868: 2862: 2861:Phosphaallene 2859: 2857: 2856:Phosphaalkyne 2854: 2852: 2851:Phosphaalkene 2849: 2845: 2842: 2841: 2840: 2837: 2835: 2832: 2830: 2827: 2825: 2822: 2818: 2815: 2814: 2813: 2810: 2806: 2803: 2802: 2801: 2798: 2797: 2795: 2793: 2789: 2783: 2780: 2778: 2775: 2773: 2770: 2768: 2765: 2763: 2760: 2758: 2755: 2753: 2750: 2748: 2745: 2743: 2740: 2738: 2735: 2733: 2730: 2728: 2725: 2723: 2720: 2718: 2715: 2713: 2710: 2708: 2705: 2703: 2700: 2698: 2695: 2693: 2690: 2688: 2685: 2681: 2678: 2676: 2673: 2672: 2671: 2668: 2667: 2665: 2663: 2659: 2656: 2636: 2624: 2621: 2620: 2619: 2616: 2612: 2609: 2607: 2604: 2603: 2602: 2599: 2598: 2596: 2592: 2586: 2583: 2581: 2578: 2574: 2571: 2570: 2569: 2566: 2562: 2559: 2557: 2554: 2552: 2549: 2548: 2547: 2544: 2543: 2541: 2539: 2535: 2529: 2526: 2524: 2523:Ethylenedioxy 2521: 2517: 2514: 2512: 2509: 2508: 2507: 2504: 2500: 2497: 2495: 2492: 2491: 2490: 2487: 2483: 2480: 2479: 2478: 2475: 2473: 2470: 2468: 2465: 2464: 2462: 2458: 2455: 2449: 2443: 2438: 2433: 2427: 2424: 2422: 2419: 2415: 2412: 2410: 2407: 2406: 2405: 2402: 2398: 2395: 2393: 2390: 2388: 2385: 2383: 2380: 2378: 2375: 2373: 2370: 2369: 2368: 2365: 2361: 2358: 2356: 2353: 2352: 2351: 2348: 2344: 2341: 2339: 2336: 2334: 2331: 2329: 2326: 2324: 2321: 2319: 2316: 2315: 2314: 2311: 2310: 2308: 2302: 2298: 2294: 2287: 2282: 2280: 2275: 2273: 2268: 2267: 2264: 2257: 2252: 2248: 2246: 2236: 2235: 2223: 2219: 2215: 2211: 2204: 2196: 2192: 2188: 2184: 2180: 2176: 2172: 2168: 2160: 2152: 2148: 2144: 2140: 2133: 2125: 2121: 2117: 2113: 2109: 2105: 2098: 2090: 2086: 2082: 2078: 2074: 2070: 2066: 2062: 2058: 2051: 2043: 2039: 2034: 2029: 2025: 2021: 2017: 2010: 2002: 1998: 1993: 1988: 1984: 1980: 1976: 1972: 1968: 1964: 1960: 1953: 1945: 1941: 1937: 1933: 1929: 1925: 1917: 1909: 1905: 1901: 1897: 1890: 1882: 1878: 1874: 1870: 1866: 1862: 1858: 1854: 1846: 1838: 1834: 1830: 1826: 1819: 1811: 1807: 1803: 1799: 1795: 1791: 1784: 1776: 1772: 1768: 1764: 1757: 1749: 1745: 1741: 1739:9780470053485 1735: 1731: 1727: 1723: 1716: 1714: 1712: 1710: 1701: 1697: 1693: 1689: 1685: 1681: 1677: 1673: 1666: 1659: 1657:9780470842898 1653: 1649: 1645: 1641: 1634: 1626: 1620: 1612: 1608: 1604: 1598: 1594: 1587: 1579: 1575: 1569: 1561: 1557: 1553: 1551:9781319079451 1547: 1543: 1536: 1528: 1522: 1518: 1514: 1510: 1509: 1501: 1493: 1489: 1485: 1481: 1473: 1465: 1461: 1457: 1453: 1449: 1445: 1438: 1430: 1428:9780387448978 1424: 1420: 1415: 1414: 1405: 1401: 1392: 1389: 1388: 1379: 1376:Structure of 1374: 1367: 1363: 1362:Hydrogenation 1360: 1359: 1346: 1342: 1341: 1340: 1336: 1328: 1324: 1321: 1314: 1310: 1309: 1308: 1304: 1300: 1296: 1292: 1291: 1290: 1288: 1284: 1280: 1267: 1260: 1256: 1255: 1253: 1249: 1248: 1233: 1229: 1228: 1227:at 0 °C 1226: 1222: 1219: 1212: 1209: 1208: 1206: 1203: 1199: 1195: 1191: 1190: 1186: 1181: 1177: 1175: 1171: 1167: 1163: 1159: 1155: 1148: 1139: 1131: 1128: 1127: 1121: 1119: 1115: 1112: 1110: 1106: 1104: 1101: 1098: 1094: 1088: 1087: 1085: 1084: 1077: 1073: 1066: 1062: 1055: 1051: 1050: 1049: 1045: 1044: 1043: 1041: 1037: 1035: 1030: 1028: 1015: 1008: 1005: 1002: 998: 990: 986: 979: 975: 974: 972: 968: 964: 960: 956: 955: 954: 952: 948: 938: 929: 927: 922:R → ArC(O)R 907: 903: 866: 856: 830: 821: 818: 807: 794: 781: 768: 752: 743: 740: 732: 719: 706: 693: 680: 679: 678: 676: 672: 668: 664: 660: 656: 646: 643: 640: 637: 634: 617: 616: 612: 608: 606: 603: 600: 597: 580: 579: 575: 571: 569: 566: 563: 560: 543: 542: 538: 535: 532: 529: 526: 513: 512: 508: 505: 502: 499: 496: 483: 482: 471: 468: 465: 462: 459: 446: 445: 441: 438: 435: 432: 429: 420: 419: 413: 410: 407: 404: 387: 386: 382: 379: 378: 364: 361: 343: 333: 307: 303: 296:Abbreviations 293: 291: 267: 244:with formula 243: 223: 199: 195: 180: 176: 172: 153: 150:, the prefix 149: 139: 129: 114: 95: 91: 87: 79: 75: 71: 67: 63: 59: 55: 47: 41: 37: 33: 19: 3195: 3188: 3102:Vinyl halide 3059: 2989:Borinic acid 2984:Boronic acid 2961:Thioxanthate 2413: 2301:Hydrocarbons 2258:at Wikiquote 2256:Benzyl group 2213: 2209: 2203: 2170: 2166: 2159: 2142: 2138: 2132: 2107: 2103: 2097: 2064: 2060: 2056: 2050: 2023: 2019: 2009: 1966: 1962: 1952: 1930:(1): 51–56. 1927: 1923: 1916: 1899: 1895: 1889: 1856: 1852: 1845: 1828: 1824: 1818: 1793: 1789: 1783: 1766: 1762: 1756: 1721: 1675: 1671: 1665: 1639: 1633: 1592: 1586: 1541: 1535: 1506: 1500: 1483: 1479: 1472: 1447: 1443: 1437: 1412: 1404: 1323:Benzaldehyde 1276: 1251: 1201: 1184: 1157: 1153: 1152: 1146: 1117: 1108: 1039: 1032: 1025: 1023: 944: 935: 862: 854: 666: 652: 339: 299: 222:free radical 193: 192:. The term 154:refers to a 151: 145: 142:Nomenclature 89: 83: 58:benzyl amine 3231:Aryl groups 3166:Thiocyanate 3161:Sulfonamide 3126:Perchlorate 3114:Acyl halide 3075:Fluoroethyl 2956:Thionoester 2844:Phosphonium 2829:Phosphinate 2824:Phosphonous 2812:Phosphonate 2511:Hydroperoxy 2333:Cyclopropyl 2139:Tetrahedron 1391:Benzylamine 1325:, 6 M 1097:acetic acid 1040:Lewis acids 380:(kcal/mol) 242:carbocation 94:substituent 3225:Categories 3070:Haloalkane 2941:Thioketone 2896:Persulfide 2792:Phosphorus 2757:Isocyanate 2747:Isonitrile 2648:or oxygen 2646:hydrogen, 2642:not being 2623:Orthoester 2516:Dioxiranes 2494:Enol ether 2382:1-Propenyl 1560:1007924903 1397:References 1223:(TfOH) in 1132:iodide (Me 1036:conditions 1029:conditions 3203:inorganic 3037:Tellurium 2951:Thioester 2916:Sulfoxide 2901:Disulfide 2889:Sulfonium 2839:Phosphine 2817:Phosphite 2800:Phosphate 2732:Carbamate 2707:Hydrazone 2640:element, 2638:Only one 2611:Anhydride 2350:Methylene 2187:1523-7060 2124:0022-3263 2081:1523-7060 2042:1521-3765 1983:0002-7863 1944:0022-3263 1873:1523-7060 1810:0022-3263 1692:0002-7863 1619:cite book 1568:cite book 1366:palladium 1034:oxidative 1027:reductive 898:→ ArCOOH 873:→ ArCBrR 761:⟶ 655:oxidation 638:C–H bond 601:C–H bond 564:C–H bond 562:fluorenyl 530:C–H bond 500:C−H bond 463:C−H bond 433:C−H bond 383:(kJ/mol) 266:carbanion 138:) group. 3184:See also 3119:Chloride 3045:Tellurol 2999:Selenium 2966:Xanthate 2680:Ammonium 2662:Nitrogen 2644:carbon, 2601:Carboxyl 2568:Aldehyde 2556:Acryloyl 2538:carbonyl 2442:hydrogen 2397:Cumulene 2195:14723540 2089:14601979 2001:17985906 1881:12605509 1748:83393227 1700:11457049 1611:27813843 1464:28281752 1385:See also 1368:catalyst 1339:methanol 1307:methanol 1293:Aqueous 1213:(Sc(OTf) 1166:alcohols 1136:SiI) in 1011:Cu(acac) 947:alcohols 613:= 32.2) 576:= 22.6) 375:Comment 198:aromatic 194:benzylic 3208:organic 3007:Selenol 2931:Sulfone 2884:Sulfide 2782:NONOate 2777:Nitroso 2767:Nitrite 2762:Nitrate 2752:Cyanate 2742:Nitrile 2727:Amidine 2722:Imidate 2692:Nitrene 2687:Hydrazo 2675:Enamine 2606:Acetoxy 2594:carboxy 2561:Benzoyl 2499:Epoxide 2482:Methoxy 2472:Alcohol 2426:Carbene 2360:Methine 1992:2535803 528:allylic 306:benzoyl 113:benzene 92:is the 54:radical 36:benzoyl 3107:Iodide 3027:Selone 2871:Sulfur 2580:Ketone 2573:Ketene 2551:Acetyl 2506:Peroxy 2477:Alkoxy 2467:Acetal 2448:oxygen 2437:carbon 2421:Alkyne 2414:Benzyl 2409:Phenyl 2392:Allene 2387:Crotyl 2367:Alkene 2355:Bridge 2343:Pentyl 2328:Propyl 2318:Methyl 2193:  2185:  2122:  2087:  2079:  2040:  1999:  1989:  1981:  1942:  1879:  1871:  1808:  1746:  1736:  1698:  1690:  1654:  1609:  1599:  1558:  1548:  1523:  1462:  1425:  1283:amines 914:−dmpyz 671:xylene 636:trityl 498:phenyl 431:methyl 308:group 179:phenyl 152:benzyl 115:ring ( 90:benzyl 40:phenyl 32:benzil 18:Benzyl 3139:Other 2976:Boron 2946:Thial 2879:Thiol 2772:Nitro 2737:Imide 2717:Amide 2702:Oxime 2697:Imine 2670:Amine 2618:Ester 2585:Ynone 2489:Ether 2460:R-O-R 2435:Only 2377:Allyl 2372:Vinyl 2338:Butyl 2323:Ethyl 2313:Alkyl 1744:S2CID 1305:) in 1122:(NIS) 1113:(NBS) 1103:Ozone 989:diols 894:ArCHR 869:ArCHR 661:, or 519:=CHCH 461:ethyl 369:Bond 366:Bond 318:C(O)− 78:allyl 70:alkyl 38:, or 3061:Halo 2546:Acyl 2446:and 2404:Aryl 2191:PMID 2183:ISSN 2120:ISSN 2085:PMID 2077:ISSN 2038:ISSN 1997:PMID 1979:ISSN 1940:ISSN 1877:PMID 1869:ISSN 1806:ISSN 1734:ISBN 1696:PMID 1688:ISSN 1652:ISBN 1625:link 1607:OCLC 1597:ISBN 1578:link 1574:link 1556:OCLC 1546:ISBN 1521:ISBN 1460:PMID 1423:ISBN 1331:NaBH 1329:and 1303:BnBr 1299:BnCl 1281:for 1200:and 1183:The 1164:for 1145:The 971:BnBr 967:BnCl 949:and 918:ArCH 904:and 892:): ( 880:KMnO 644:339 594:CH−H 557:CH−H 536:372 506:473 503:113 469:423 466:101 439:439 436:105 411:377 210:)(CH 98:R−CH 74:aryl 2712:Azo 2218:doi 2175:doi 2147:doi 2112:doi 2069:doi 2028:doi 1987:PMC 1971:doi 1967:129 1932:doi 1904:doi 1861:doi 1833:doi 1798:doi 1771:doi 1726:doi 1680:doi 1676:123 1644:doi 1513:doi 1488:doi 1484:114 1452:doi 1448:117 1419:806 1337:in 1327:HCl 1285:in 1196:or 1168:in 1158:PMB 1090:CrO 1078:/NH 1074:or 999:in 969:or 961:or 924:). 910:CrO 887:HNO 641:81 631:C−H 611:pKa 604:82 574:pKa 567:80 533:89 478:C−H 426:C−H 408:90 173:or 146:In 132:−CH 84:In 3227:: 2444:, 2439:, 2214:31 2212:. 2189:. 2181:. 2169:. 2143:46 2141:. 2118:. 2108:58 2106:. 2083:. 2075:. 2063:. 2036:. 2022:. 2018:. 1995:. 1985:. 1977:. 1965:. 1961:. 1938:. 1928:49 1926:. 1900:29 1898:. 1875:. 1867:. 1855:. 1829:44 1827:. 1804:. 1794:50 1792:. 1767:28 1765:. 1742:. 1732:. 1708:^ 1694:. 1686:. 1674:. 1650:, 1621:}} 1617:{{ 1605:. 1570:}} 1566:{{ 1554:. 1519:. 1482:. 1458:. 1446:. 1335:CN 1301:, 1076:Li 1069:NH 1065:Na 1042:. 1031:, 993:Ag 973:) 953:. 804:CO 778:CC 765:HO 729:CH 690:CH 677:: 657:, 619:(C 582:(C 545:(C 523:−H 515:CH 493:−H 456:−H 401:−H 397:CH 358:−H 354:CH 278:CH 254:CH 234:CH 202:(C 164:CH 102:−C 88:, 76:, 72:, 64:, 60:, 56:, 34:, 2285:e 2278:t 2271:v 2224:. 2220:: 2197:. 2177:: 2171:6 2153:. 2149:: 2126:. 2114:: 2091:. 2071:: 2065:5 2057:C 2044:. 2030:: 2024:5 2003:. 1973:: 1946:. 1934:: 1910:. 1906:: 1883:. 1863:: 1857:5 1839:. 1835:: 1812:. 1800:: 1777:. 1773:: 1750:. 1728:: 1702:. 1682:: 1646:: 1627:) 1613:. 1580:) 1562:. 1529:. 1515:: 1494:. 1490:: 1466:. 1454:: 1431:. 1333:3 1252:p 1215:3 1202:p 1185:p 1172:( 1154:p 1147:p 1134:3 1118:N 1109:N 1095:/ 1092:3 1080:3 1071:3 1067:/ 1013:2 997:O 995:2 920:2 912:3 908:( 896:2 889:3 882:4 875:2 871:2 839:O 831:2 827:H 822:2 819:+ 816:H 808:2 795:4 791:H 782:6 769:2 753:2 749:O 744:3 741:+ 733:3 720:4 716:H 707:6 703:C 694:3 669:- 667:p 629:3 627:) 625:5 623:H 621:6 592:2 590:) 588:5 586:H 584:6 555:2 553:) 551:4 549:H 547:6 521:2 517:2 491:5 489:H 487:6 485:C 476:3 474:H 454:5 452:H 450:2 448:C 424:3 422:H 399:2 395:5 393:H 391:6 389:C 356:2 352:5 350:H 348:6 346:C 330:− 328:5 326:H 324:6 322:C 316:5 314:H 312:6 310:C 284:2 281:− 276:5 274:H 272:6 270:C 260:2 257:+ 252:5 250:H 248:6 246:C 238:• 236:2 232:5 230:H 228:6 226:C 218:C 216:2 214:) 212:3 208:5 206:H 204:6 189:5 187:H 185:6 183:C 166:2 162:5 160:H 158:6 156:C 136:− 134:2 130:( 123:6 121:H 119:6 117:C 108:5 106:H 104:6 100:2 42:. 20:)

Index

Benzyl
benzil
benzoyl
phenyl

radical
benzyl amine
benzyl bromide
benzyl chloroformate
alkyl
aryl
allyl
organic chemistry
substituent
benzene
methylene group
IUPAC nomenclature
benzyl chloride
benzyl benzoate
phenyl
aromatic
free radical
carbocation
carbanion
reaction mechanisms
benzyl alcohol
benzoyl
bond dissociation energy
methyl
ethyl

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