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Synthesis of novel pyrazolo[3,4‐ d ]pyrimidines peri ‐fused with 1,4‐diazepine, 1,4‐thiazepine, and 1,2,4‐triazepine rings
Author(s) -
Masevicius Viktoras,
Juskenas Robertas,
Tumkevicius Sigitas
Publication year - 2012
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.724
Subject(s) - diazepine , chemistry , peri , ring (chemistry) , stereochemistry , combinatorial chemistry , medicinal chemistry , organic chemistry , philosophy , theology
A simple and efficient synthesis of novel ortho ‐ and peri ‐annulated heterocyclic systems—2,6,7,9‐tetrahydro‐8 H ‐pyrazolo[5,4,3‐ de ]pyrimido[4,5‐ e ][1,4]diazepine, 2,6,7,9‐tetrahydro‐8 H ‐pyrazolo[5,4,3‐ de ]pyrimido [5,4‐ f ][1,4]thiazepine, and 6,9‐dihydro‐2 H ‐pyrazolo[3,4,5‐ ef ]pyrimido[5,4‐ f ][1,2,4]triazepine is described. J. Heterocyclic Chem.,, (2012).