Parallel Synthesis of Structurally Diverse Aminobenzimidazole Tethered Sultams and Benzothiazepinones.
Parallel Synthesis of Structurally Diverse Aminobenzimidazole Tethered Sultams and Benzothiazepinones.
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DOI:
10.1016/j.tetlet.2012.09.135
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发表时间:
2012-12-19
影响因子:
1.8
通讯作者:
Nefzi, Adel
中科院分区:
文献类型:
--
作者:
Dadiboyena, Sureshbabu;Nefzi, Adel
关键词:
A solid-phase methodology to construct aminobenzimidazole tethered sultams and benzothiazepinones from commercial amino acids, amines, carboxylic acids and sulfonyl chlorides is described. Coupling of Fmoc-Cys(Trt)-OH to resin-bound aminobenzimidazole scaffold provided an essential precursor for the construction of a variety of seven membered benzofused cyclic sulfonamides and thiazepinones via palladium catalyzed Buchwald-Hartwig type intramolecular cyclization.
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