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Addition of dihalocarbenes to 3H-1,5-benzodiazepines. Synthesis of 2H-bisazirino[1,2-a:2′,1′-d][1,5]benzodiazepines

✍ Scribed by Masahiko Takahashi; Tsugumasa Takada; Takeshi Sakagami

Book ID
112128603
Publisher
Journal of Heterocyclic Chemistry
Year
1987
Tongue
English
Weight
125 KB
Volume
24
Category
Article
ISSN
0022-152X

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## Abstract 2a,4‐Disubstituted 5‐benzoyl‐2‐chloro/2,2‐dichloro‐2a,3,4,5‐tetrahydro‐azeto [1,2‐a] [1,5]benzodiazepin‐1 (2H)‐ones (**3a–h**) were synthesized by cycloaddition reactions of 2,4‐disubstituted 1‐benzoyl‐2,3‐dihydr o‐1__H__‐1,5‐benzodiazepines (**2a–h**) and ketenes, generated from chloro