IMPROVED METHOD FOR PRODUCING THIAZOLIDINEDIONES, AND NEW THIAZOLIDINEDIONES

Improved process of compound of formula IIIin whichA denotes CH=CH or SW denotes OX denotes S, O or NR2 in which the residue R2 is hydrogen or C1-C6 alkyl,Y denotes CH or NR denotes naphthyl, thienyl or phenyl which is optionally monosubstituted or disubstituted with C1-C3 alkyl, CF3, C1-C3 alkoxy,...

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Bibliographische Detailangaben
Hauptverfasser:	KUEHNLE, HANS-FRIEDER, WITTE, ERNSTRISTIAN, WOLFF, HANS-PETER
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	Improved process of compound of formula IIIin whichA denotes CH=CH or SW denotes OX denotes S, O or NR2 in which the residue R2 is hydrogen or C1-C6 alkyl,Y denotes CH or NR denotes naphthyl, thienyl or phenyl which is optionally monosubstituted or disubstituted with C1-C3 alkyl, CF3, C1-C3 alkoxy, F, Cl or bromine,R1 denotes hydrogen or C1-C6 alkyl andn denotes 1-3by reducing a compound of the general formula IV,in which A, W, X, Y, R, R1 and n have the meanings stated abovewith activated aluminium in a protic solvent,as well as new compounds of formula III and pharmaceutical preparations containing these compounds.