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An efficient one‐pot synthesis of naphthoxazinones by a three‐component coupling of naphthol, aldehydes, and urea catalyzed by zinc triflate
Author(s) -
Hajra Alakananda,
Kundu Dhiman,
Majee Adinath
Publication year - 2009
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.180
Subject(s) - chemistry , trifluoromethanesulfonate , zinc , aryl , catalysis , urea , acetonitrile , component (thermodynamics) , organic chemistry , 2 naphthol , coupling (piping) , one pot synthesis , alkyl , physics , thermodynamics , mechanical engineering , engineering
A simple and efficient method has been developed for the synthesis of 4‐aryl‐3,4‐dihydronaphtho[2,1‐ e ] [1,3]oxazin‐2‐one and 1‐aryl‐1,2‐dihydronaphtho[1,2‐ e ][1,3]oxazin‐3‐one derivatives through a one‐pot three‐component coupling of α or β‐naphthol, aromatic aldehydes and urea using a catalytic amount of zinc triflate in refluxing acetonitrile. J. Heterocyclic Chem., (2009).