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Synthesis of a new heterocyclic system of 2-amino-3-cykanO-5h-4,5-dihydropyrido[3′,2′:4,5]-pyrrolo[1,2-a]indole

✍ Scribed by N. Z. Tugusheva; S. Yu. Ryabova; N. P. Solov'eva; V. G. Granik


Publisher
Springer US
Year
1994
Tongue
English
Weight
560 KB
Volume
30
Category
Article
ISSN
0009-3122

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Syntheses of 2,3-dicyano-5a,8a-dihydro-5
✍ Kazuko Shirai; Koushi Fukunishi; Dongfeng Hou; Masaru Matsuoka 📂 Article 📅 2000 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 450 KB 👁 1 views

## 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‐