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A simple convenient synthesis of trans-1,2,3,4,4a,5,6,10b-octahydrophenanthridines

✍ Scribed by M. F. Rahman; Everette L. May


Book ID
112123936
Publisher
Journal of Heterocyclic Chemistry
Year
1976
Tongue
English
Weight
171 KB
Volume
13
Category
Article
ISSN
0022-152X

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## Abstract The reaction of 6‐chloro‐2‐(1‐methylhydrazino)quinoxaline 4‐oxide 5 with a 2‐fold molar amount of ethyl chloroglyoxalate gave ethyl 8‐chloro‐4‐methyl‐4__H__‐1,3,4‐oxadiazino[5,6‐__b__]quinoxaline‐2‐carboxylate 6, whose reaction with hydrazine hydrate afforded the C~2~‐hydrazinocarbonyl