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Fused Heterocycles, VII. Synthesis and Stereochemistry of Tetracyclic Benzodiazepines

✍ Scribed by Tóth, Gábor ;Lévai, Albert ;Szőllősy, ÁRon

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
382 KB
Volume
1992
Category
Article
ISSN
0947-3440

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✦ Synopsis

Abstract

Benzodiazepines 3a–d have been synthesized by the reaction of exocyclic α,β‐unsaturated ketones 1a–d with 1,2‐phenylenediamine in hot ethanol. Acetylation of compounds 3a–d with a mixture of acetic anhydride and anhydrous pyridine affords the N‐acetyl derivatives 4a–d. Structure and stereochemistry of the synthesized compounds have been elucidated by various NMR techniques.

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