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Smith Kline and French Laboratories Ltd
Original Assignee
Smith Kline and French Laboratories Ltd
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Filing date
Publication date
Application filed by Smith Kline and French Laboratories LtdfiledCriticalSmith Kline and French Laboratories Ltd
Priority to ES556664ApriorityCriticalpatent/ES556664A0/en
Publication of ES8707218A3publicationCriticalpatent/ES8707218A3/en
Publication of ES556664A0publicationCriticalpatent/ES556664A0/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Nitrogen- Or Sulfur-Containing Heterocyclic Ring Compounds With Rings Of Six Or More Members
(AREA)
Abstract
The cpds. of formula (I), in which R1 is H, alkyl, halo, cyano, nitro or amino, R2 is H or alkyl, R3 is H or alkyl, n is 1 or 2 and R12 is opt. protected amino and their acceptable salts, for pharmacological use, are made by cyclising a cpd. of formula (II) in presence of an acid with subsequent removal of the protective gp. if necessary.
ES556664A1986-06-251986-06-25
A PROCEDURE FOR PREPARING HETERO CYCLIC COMPOUNDS, IN PARTICULAR COMPOUNDS WITH A TIADIAZINONE RING
GrantedES556664A0
(en)