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A Novel and Simple Synthesis of 1,3-Benzoxazin-4-one Derivatives

✍ Scribed by Kametani, Tetsuji; Higa, Terumi; Van Loc, Chu; Ihara, Masataka; Fukumoto, Keiichiro

Book ID: 118131170
Publisher: Japan Institute of Heterocyclic Chemistry
Year: 1977
Tongue: English
Weight: 76 KB
Volume: 6
Category: Article
ISSN: 0385-5414
DOI: 10.3987/r-1977-03-0255

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## Abstract magnified image On heating of the 2‐amino‐5‐nitrobenzonitrile **1** with cyclohexanone **2a** in the presence of catalyst, the novel compound 6‐nitrospiro[3,1‐benzoxazine‐2,1′‐cyclohexan]‐4(1__H__)‐imine **5a** was formed. Also, reaction of **1** with cyclopentanone **2b** or cyclohept