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Sandoz AG
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Sandoz AG
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Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES357996A1publicationCriticalpatent/ES357996A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedure for the preparation of benzalhydrazones, of general formula I: **(See formula)** wherein each of R1 and R3, which may be identical or different, signifies a hydrogen, chlorine, or fluorine atom, or a methyl, methoxy, or trifluoromethyl radical, and R2 signifies a hydrogen, chlorine, or fluorine atom, or a methyl or methoxy radical, provided that at least one of R1, R2 and R3 has a meaning other than hydrogen, and no two trifluoromethyl groups are found on adjacent carbon atoms, characterized in that an aldehyde of general formula II **(See formula)** in which R1, R2 and R3 have the meanings indicated above, with 2-hydrazino-2-imidazoline of formula III: (see formula) (Machine-translation by Google Translate, not legally binding)
ES357996A1967-09-111968-09-10Procedure for the preparation of benzalhidrazones. (Machine-translation by Google Translate, not legally binding)
ExpiredES357996A1
(en)
Procedure for the preparation of 3-phenyl-7- (4'cloro-pirazolil- (1 ')) - cumarine series aclarers. (Machine-translation by Google Translate, not legally binding)
A method for the preparation of a film of a homopolime or interpolime of an acrilamide N-3-oxohidrocarburosustituida. (Machine-translation by Google Translate, not legally binding)