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3-Diazopyrazolo[3,4-b] pyridine, a versatile synthon for new heterocyclic systems

✍ Scribed by M. Kočevar; B. Stanovnik; M. Tišler

Book ID
112125436
Publisher
Journal of Heterocyclic Chemistry
Year
1978
Tongue
English
Weight
648 KB
Volume
15
Category
Article
ISSN
0022-152X

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Substituted Ethyl 2-Acyl-3-amino-6-methylthieno(2,3-b)pyridine-4carboxylates as Synthons for Novel Heterocycles. -Title compounds of type (III) provide novel heterocyclic compounds (V) with diketene-acetone (IV). Except for (Vb), further reaction with (IV) is possible leading to novel tetracyclic co