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F Hoffmann La Roche AG
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F Hoffmann La Roche AG
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Publication of ES483138A1publicationCriticalpatent/ES483138A1/en
Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems
(AREA)
Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur
(AREA)
Abstract
1. A process for the preparation of thienothiazine derivatives of the general formula ** (Formula-01) *** where ** (Formula-02) *** represents the group ** (Formula-03) *** R1 denotes lower alkyl, R2 denotes the radical of an aromatic heterocycle with 1 to 4 heteroatoms optionally substituted by one or two lower alkyl groups, or a phenyl radical optionally substituted by halogen, hydroxyl, lower alkyl, trifluoromethyl or lower alkoxy; R3'' denotes hydrogen or halogen, and its salts, (Machine-translation by Google Translate, not legally binding)
ES79483138A1978-07-211979-07-21
A PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF TIENO-TIACINA
ExpiredES483138A1
(en)
Procedure for the obtaining of N- (2-oxo-1-pirrolidinil) acetyl piperazines substituted. (Machine-translation by Google Translate, not legally binding)