ES239182A2 - Procedure for the obtaining of new derivatives of pirazolºn (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of new derivatives of pirazolºn (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Sandoz AG
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Sandoz AG
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Publication of ES239182A2publicationCriticalpatent/ES239182A2/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Improvements in the object of the main patent by procedure for obtaining new pyrazolone derivatives of the formula I ** (See formula) ** wherein R means prop-2-ynyl or benzyl, said improvements being characterized in that N-methyl-piperidyl-4-hydrazine are reacted with benzoylacetic acid compounds of the general formula II ** (See formula) ** where R has the above-indicated meaning and R1 signifies hydrogen or methyl. (Machine-translation by Google Translate, not legally binding)
ES0239182A1957-11-011957-12-17Procedure for the obtaining of new derivatives of pirazolºn (Machine-translation by Google Translate, not legally binding)
ExpiredES239182A2
(en)
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Procedure for the preparation of N- (5-nitro-2-furfurideno) -3-amino-2-oxazolidenos and new chemical compounds prepared in the course of the same (Machine-translation by Google Translate, not legally binding)
Procedure for the obtaining of heterocyclic esters of the acid tionotiolfosfºr- (con) -ico (Machine-translation by Google Translate, not legally binding)