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A Novel Method for Preparation of Trifluoromethyl Substituted 2,3-dihydro-1,4- diazepine and Benzimidazole

โœ Scribed by Chu, Qianli; Wang, Yanli; Zhu, Shizheng

Book ID
120002893
Publisher
Taylor and Francis Group
Year
2000
Tongue
English
Weight
363 KB
Volume
30
Category
Article
ISSN
0039-7911

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A new route to 5-trifluoromethyl-2,3-dih
A new route to 5-trifluoromethyl-2,3-dihydro-1,4-diazepine and 2-trifluoromethylbenzimidazole
โœ Shizheng Zhu; Qianli Chu; Yanli Wang ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 165 KB ๐Ÿ‘ 1 views

Ethylenediamine reacted readily with 4ethoxy-1,1,1-trifluoro-3-butene-2-one to form 5-trifliuoromethyl-2,3-dihydro-1,4-diazepine in good yield. Under the same reaction conditions, o-phenylenediamine gave 2-trifluoromethylbenzimidazole and benzimidazole.