ES245661A1 - Procedure for obtaining new pirazolo-piramidines replaced in the pirazolic nucleus (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for obtaining new pirazolo-piramidines replaced in the pirazolic nucleus (Machine-translation by Google Translate, not legally binding)
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Novartis AG
BASF Schweiz AG
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Ciba Geigy AG
Ciba AG
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Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES245661A1publicationCriticalpatent/ES245661A1/en
Procedure for obtaining new, substituted pyrazolo-pyridines in the parazole nucleus, and especially 3-R-6R1-pyrazolo/3,4-d/substituted pyridine 4, in the N-unsubstituted pyrazole nucleus and its salts, where R represents a free or substituted oxy or amino group and R1 represents a preferably substituted amino group, characterized in that 6-unsubstituted 2-R1-pyridines, which in position 4 show an interchangeable residue and in position 5 a functionally modified carboxylic group, free or reactable, are reacted, directly or in stages, with hydrazine and, if desired, the bases obtained are transformed into their salts or the salts obtained in the free bases. (Machine-translation by Google Translate, not legally binding)
ES0245661A1957-12-061958-11-29Procedure for obtaining new pirazolo-piramidines replaced in the pirazolic nucleus (Machine-translation by Google Translate, not legally binding)
ExpiredES245661A1
(en)
A procedure for the obtaining of new pirazolopirimidines suscribed in the pirazolic nucleus (Machine-translation by Google Translate, not legally binding)
Procedure for obtaining a derivative of 1,1-dioxide from 3,4-hydride-1,2,4-benzotiadiacin (Machine-translation by Google Translate, not legally binding)