Synthesis p. 1283 - 1286 (1992)
Update date:2022-08-02
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Tian
Grivas
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.
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Doi:10.1007/BF00529473
(1992)Doi:10.1016/S0022-1139(00)83581-2
(1991)Doi:10.1016/0022-328X(93)83022-N
(1993)Doi:10.1021/jm00015a020
(1995)Doi:10.1039/jr9490001148
(1949)Doi:10.1039/jr9480000601
(1948)
