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

✍ Scribed by C. Cativiela; M. D. Diaz De Villegas; E. Meléndez


Book ID
112128065
Publisher
Journal of Heterocyclic Chemistry
Year
1985
Tongue
English
Weight
192 KB
Volume
22
Category
Article
ISSN
0022-152X

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✍ UrŠKa Bratušek; AleŠ Hvala; Branko Stanovnik 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 352 KB

## Abstract Methyl 2‐benzoylamino‐3‐oxobutanoate (3) was prepared from hippuric acid (1) which was converted with __N,N‐__dimethylacetamide and phosphorus oxychloride into 4‐(1‐dimethylaminoethylidene)‐2‐phenyl‐5(4__H__)‐oxazolone (2) followed by hydrolysis with hydrochloric acid in methanol. Compo