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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FARMACEUTICOS
QUIMICOS FAB DE PROD
Original Assignee
FARMACEUTICOS
QUIMICOS FAB DE PROD
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Filing date
Publication date
Application filed by FARMACEUTICOS, QUIMICOS FAB DE PRODfiledCriticalFARMACEUTICOS
Priority to ES434050ApriorityCriticalpatent/ES434050A1/en
Publication of ES434050A1publicationCriticalpatent/ES434050A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Procedure for the preparation of a pyridoxine derivative, of the crude formula (see formula), characterized in that amounts, approximately stoichiometric, of glyoxylic acid previously supported are reacted in an inert material such as celite, decalite and the like and containing 1 mol of glyoxylic monohydrate, with pyridoxine, making the mixture it is solid state and interposing absolute alcohol, heating the mixture, filtering with charcoal, performing the subsequent washes with 20% of the volume of the alcohol used leaving the filtered solution, protected from light, and subjected to agitation for approximately one night, getting a white crystallized product. (Machine-translation by Google Translate, not legally binding)
ES434050A1975-01-221975-01-22Procedure for the preparation of a piridoxine derivative. (Machine-translation by Google Translate, not legally binding)
ExpiredES434050A1
(en)
1,2,3,6-Tetrahydroisonicotinic acid and derivatives thereof, methods and starting products for their preparation, and pharmaceutical compositions containing them.
Procedure for the preparation of 6-aminopenicilanico or 7-aminodexacetoxicefalosporanico ácidos derivados. (Machine-translation by Google Translate, not legally binding)
10-Bromosandwicine and 10-bromoisosandwicine, as well as their additions salts with pharmacolical acceptable acids process for their preparation and their use.
Procedure for the manufacture of new esters of 18-azido-18-desoxi-reserpinico acid and its salts (Machine-translation by Google Translate, not legally binding)