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A one‐pot synthesis of the 1 ‐ benzopyrano[2,3‐ b ]pyridine moiety from 2‐(alkyl/arylamino)‐4‐oxo‐4 H ‐1‐benzopyran‐3‐carbaldehyde
Author(s) -
Maiti Sourav,
Panja Suman Kalyan,
Bandyopadhyay Chandrakanta
Publication year - 2010
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.397
Subject(s) - chemistry , malononitrile , moiety , ethyl acetoacetate , diethyl malonate , pyridine , ethyl cyanoacetate , chromone , alkyl , organic chemistry , medicinal chemistry , catalysis
2‐(Alkyl/arylamino)chromone‐3‐carbaldehyde reacts with Meldrum's acid, hippuric acid, 4‐hydroxycoumarin, diethyl malonate, ethyl acetoacetate, or ethyl benzoylacetate to produce 1‐benzopyrano[2,3‐ b ]pyridine‐2,5‐dione moiety, but ethyl cyanoacetate and malononitrile react differently. J. Heterocyclic Chem., (2010).