NbCl5 as an Efficient Catalyst for the Synthesis of 1,5-Benzodiazepine Derivatives

被引:22
|
作者
Gao, Shu-Tao [1 ]
Liu, Wei-Hua [1 ]
Ma, Jing-Jun [1 ]
Wang, Chun [1 ]
Liang, Qian [1 ]
机构
[1] Agr Univ Hebei, Coll Sci, Baoding 071001, Hebei, Peoples R China
关键词
1; 5-Benzodiazepines; ketones; NbCl5; o-phenylenediamines; PROMOTED SYNTHESIS; IONIC LIQUID; CYCLOADDITION; ALLYLATION; REAGENT; ACID; BENZOHETEROAZEPINE; TRIFLATE; GREEN;
D O I
10.1080/00397910902752238
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
1,5-Benzodiazepine derivatives were synthesized in moderate to excellent isolated yields by the condensation reactions of o-phenylenediamine and ketones catalyzed by NbCl5 under mild conditions using n-hexane as solvent at 50 degrees C. This method is simple and effective with good yields.
引用
收藏
页码:3278 / 3284
页数:7
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