期刊
SYNTHETIC COMMUNICATIONS
卷 34, 期 4, 页码 735-742出版社
TAYLOR & FRANCIS INC
DOI: 10.1081/SCC-120027722
关键词
Vilsmeier complex; acid azide; Curtius rearrangement; 2(3H)-benzimidazolone; 2(3H)-benzoxazolone; 2(3H)-benzothiazolone
An easy and generalized route to 2(3H)-benzimidazolones, 2(3H)-benzoxazolone and 2(3H)-benzothiazolone is attempted. A novel one-pot method for the in situ generation and cyclisation of ortho substituted benzoic acid azides is reported via the application of ammonium azide and Vilsmeier complex.
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