On the synthesis of geometric isomers of 2‐methyl (or phenyl)‐4‐[α‐arylethylidene]‐5(4 H )‐oxazolones | Zendy

Cativiela C. | Zendy; De Villegas M. D. Diaz | Zendy; Meléndez E. | Zendy

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On the synthesis of geometric isomers of 2‐methyl (or phenyl)‐4‐[α‐arylethylidene]‐5(4 H )‐oxazolones

Author(s) -

Cativiela C.,

De Villegas M. D. Diaz,

Meléndez E.

Publication year - 1985

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.5570220637

Subject(s) - chemistry , diazomethane , isomerization , benzene , condensation , hydrogen bromide , bromide , medicinal chemistry , organic chemistry , stereochemistry , catalysis , physics , bromine , thermodynamics

Several Z ‐2‐methyl(or phenyl)‐4‐[α‐arylethylidene]‐5(4 H )‐oxazolones 3Z, 4Z were prepared. The results obtained were compared by diazomethane insertion and condensation procedure. In order to synthesize E ‐2‐phenyl‐4‐[α‐arylethylidene]‐5(4 H )‐oxazolones 4E hydrogen bromide isomerization in dry benzene was used.

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