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A Useful Methodology for the Synthesis of 2-Methyl-4-nitrobenzimidazoles
作者:Wei Tian、Spiros Grivas
DOI:10.1055/s-1992-26359
日期:——
Cyclocondensation of 3-nitro-1,2-benzenediamines 2 with 2,4-pentanedione provides a convenient route for the preparation of 2-methyl-4-nitrobenzimidazoles 3. A discrepancy in the literature regarding the 5-chloro-, 5-methoxy- and 5-methyl derivatives of the title compounds is discussed.
3-硝基-1,2-
苯二胺2与
2,4-戊二酮的环化缩合反应提供了一种制备2-甲基-4-硝基
苯并咪唑3的简便方法。本文讨论了关于标题化合物的5-
氯代、5-甲氧基和5-甲基衍
生物的文献中存在的不一致性。
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Grivas, Spiros; Tian, Wei; Ronne, Erik, Acta Chemica Scandinavica, 1993, vol. 47, # 5, p. 521 - 528
作者:Grivas, Spiros、Tian, Wei、Ronne, Erik、Lindstroem, Stefan、Olsson, Kjell
DOI:——
日期:——
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Grivas, Acta chemica Scandinavica. Series B: Organic chemistry and biochemistry, 1986, vol. 40, # 5, p. 404 - 406
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Bashir, Mohammad; Kingston, David G. I.; Carman, Robert J., Heterocycles, 1990, vol. 31, # 7, p. 1333 - 1338
作者:Bashir, Mohammad、Kingston, David G. I.、Carman, Robert J.、Tassel, Roger L. Van、Wilkins, Tracy D.
DOI:——
日期:——
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BASHIR, MOHAMMAD;KINGSTON, DAVID G. I.;CARMAN, ROBERT J.;TASSELL, ROGER L+, HETEROCYCLES, 31,(1990) N, C. 1333-1332
作者:BASHIR, MOHAMMAD、KINGSTON, DAVID G. I.、CARMAN, ROBERT J.、TASSELL, ROGER L+
DOI:——
日期:——