Synthetic Communications p. 677 - 687 (2000)
Update date:2022-08-10
Topics:
Chu, Qianli
Wang, Yanli
Zhu, Shizheng
Ethylenediamine reacted readily with 4-ethoxy-1,1,1-trifluoro-3-butene- 2-one to form 5-trifluoromethyl-2,3-dihydro-1,4-diazepine in good yield. Under the same reaction conditions o-phenylene diamine gave 2-trifluoromethyl benzimidazole and benzimidazole.
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