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 date
Priority claimed from CH187269Aexternal-prioritypatent/CH504466A/en
Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES376234A1publicationCriticalpatent/ES376234A1/en
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Abstract
Process for obtaining thiophen derivatives of general formula ia, ** (see formula) ** Characterized in that the compound of formula iia is oxidized, ** (see formula) ** With hydrogen peroxide in an inert solvent. (Machine-translation by Google Translate, not legally binding)
ES376234A1969-02-071970-02-05Procedure for the obtaining of thiophene derivatives. (Machine-translation by Google Translate, not legally binding)
ExpiredES376234A1
(en)
Procedure for the obtaining of initiating organic compositions for catalyzing non-electrolytic deposits of metals. (Machine-translation by Google Translate, not legally binding)
A procedure for the preparation of polyarylene esters by oxidative polymerization of monophenols. (Machine-translation by Google Translate, not legally binding)
Procedure for the monohydration of the equimolecular complex formed by ascorbic acid and pyridoxine. (Machine-translation by Google Translate, not legally binding)