ES216322A1 - A procedure for the preparation of new derivatives of 2-imidazolone (Machine-translation by Google Translate, not legally binding)
- Google Patents
A procedure for the preparation of new derivatives of 2-imidazolone (Machine-translation by Google Translate, not legally binding)
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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Priority to ES216322ApriorityCriticalpatent/ES216322A1/en
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Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Process for the preparation of new derivatives of the 2-imidazolone corresponding to the formula ** characterized in that it comprises heating in an acid medium a compound corresponding to the formula R1 represents a radical selected from the group consisting of hydrogen-lower alkyl-lower-haloalkoxy and nitro; R2 represents a radical selected from the group consisting of phenylomono- (lower alkoyl) -phenylmono- (lower alkoxy) -phenyl-mono-phenyl-mononandrophenyl-lower alkoyl and cycloalkoyl; R3 represents a radical selected from the group consisting of hydrogen and lower alkoxy R4 represents a lower alkoyl radical. (Machine-translation by Google Translate, not legally binding)
ES216322A1954-07-021954-07-02A procedure for the preparation of new derivatives of 2-imidazolone (Machine-translation by Google Translate, not legally binding)
ExpiredES216322A1
(en)
A procedure for the preparation of acil-anylides with basic substitutors and their derivatives (Machine-translation by Google Translate, not legally binding)
Procedimine for the obtaining of derivatives of the acid p- [cumarinyl- (3)] - phenyl carbamine (Machine-translation by Google Translate, not legally binding)