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Catalyst free synthesis of fused pyrido[2,3-d]pyrimidines and pyrazolo[3,4-b]pyridines in water

✍ Scribed by Rahmati, Abbas; Khalesi, Zahra


Book ID
118427962
Publisher
Chinese Electronic Periodical Services
Year
2012
Tongue
English
Weight
260 KB
Volume
23
Category
Article
ISSN
1001-8417

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## Abstract magnified image A series of pyrazolo[3,4‐__b__]pyridines has been synthesized by __FriedlΓ€nder__ condensation of 5‐amino‐pyrazole‐4‐carbaldehyde **1** with active methylene compounds in basic medium. Pyrazolo[4β€²3β€²:5,6]pyrido‐[2,3‐__d__]pyrimidines have been synthesized from pyrazolo[3,