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Antonio Gallardo SA
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Antonio Gallardo SA
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Application filed by Antonio Gallardo SAfiledCriticalAntonio Gallardo SA
Priority to ES361256ApriorityCriticalpatent/ES361256A2/en
Priority to FR1601947Dprioritypatent/FR1601947A/en
Publication of ES361256A2publicationCriticalpatent/ES361256A2/en
Improvements in the object of the main patent no. 351,813 for the procedure for obtaining prednisolone derivatives, essentially characterized by reacting the hemisuccinic ester of prednisolone in the presence of an organic solvent, with organic bases corresponding to the formulas : **(See formula)** Where: R1 = H or Alkyl R2 = H, Alkyl or - CH2 - CH2 - C3 R3 = H, Alkyl or - CH2 - CH2- N1 R4 = H, Alkyl or bond with C5 R5 = H, Alkyl or bond with C4 isolating the corresponding salt of prednisolone, from the reaction product, by crystallization or concentration. (Machine-translation by Google Translate, not legally binding)
ES361256A1968-03-201968-12-09Procedure for obtaining derivatives of prednisolone. (Machine-translation by Google Translate, not legally binding)
ExpiredES361256A2
(en)
A procedure for preparing substituted benzoic acid dimetilsulfoxidos and dimetilsulfonas. (Machine-translation by Google Translate, not legally binding)
Chemical synthesis procedure for the preparation of 2,6-dietanolamino 4,8-dipiperidino-pirimidino- (5,4 d) -pirimidina. (Machine-translation by Google Translate, not legally binding)