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Derivatives of a new heterocyclic system — 4,11-dihydro-10H-1,2,4-triazolo[1,5-a]pyrimido[6,5-c]benzo[b]pyrans

✍ Scribed by V. D. Orlov; N. V. Getmanskii; B. P. Paponov; S. A. Komykhov


Publisher
Springer US
Year
1993
Tongue
English
Weight
76 KB
Volume
29
Category
Article
ISSN
0009-3122

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The carbanion derived from 8,1 l-dichloro-6,1 l-dihydro-5H-benzo [5,6]cyclohepta[l,2-bl pyridine (3) reacts with methyl acrylate to form the C. spirocyclopropane carboxylic acid methyl ester 6. Compound 6 was converted in five steps to the N-methyl 2'-ethylamino spirocyclopropane 2 (R=H) which was r