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Regioselective synthesis of 3(or 5)‐styryl‐/(4‐aryl‐1,3‐butadienyl)‐/(6‐aryl‐1,3,5‐hexatrienyl)‐5(or 3)‐(methylthio)isoxazoles and pyrazoles via α‐oxoketene dithioacetals
Author(s) -
Purkayastha M. L.,
Patro B.,
Ila H.,
Junjappa H.
Publication year - 1991
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.5570280528
Subject(s) - chemistry , regioselectivity , hydrazine (antidepressant) , hydroxylamine , hydrate , aryl , pyrazole , medicinal chemistry , isoxazole , organic chemistry , catalysis , alkyl , chromatography
The regioselective synthesis of the title isoxazoles and pyrazoles through cyclocondensation of oxoketene dithioacetals with either hydroxylamine or hydrazine hydrate under controlled conditions is reported.
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