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Pyrrolo[1,2-a]thiéno[2,3-e]pyrazine. Etude chimique de la dihydro-4,5 oxo-5 pyrrolo[1,2-a]thiéno[2,3-e]pyrazine

✍ Scribed by Yamien Effi; Jean-Charles Lancelot; Sylvain Rault; Max Robba

Book ID
112127154
Publisher
Journal of Heterocyclic Chemistry
Year
1983
Tongue
English
Weight
545 KB
Volume
20
Category
Article
ISSN
0022-152X

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## Abstract Previously synthesized 2‐(3′‐chloro‐5′,6′‐dicyanopyrazin‐2′‐yl)cyclopentan‐1‐one **1**, obtained from the reaction of 2,3‐dichloro‐5,6‐dicyanopyrazine with 1‐pyrrolidino‐1‐cyclopentene, was further reacted with primary alkylamines to give mixtures of diastereomer of 5‐alkyl‐2,3‐dicyano‐