3-<4-substituted-4-piperazinyl)buty]-4-thiazolidinone and related compounds

US5371087A · kind A · utility

Assignee

• Hoechst Roussel Pharmaceuticals · US

Inventors

• Nicholas J. Hrib · Somerville, US
• John G. Jurcak · Somerville, US

Key dates

• Filing date: Jun 29, 1993
• Grant date: Dec 6, 1994
• Expiry date: Jun 29, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

There are disclosed compounds of the formula, ##STR1## where n is 0, 1 or 2; A is ##STR2## where X in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino, cyano, trifluoromethyl or methylthio; Y in each occurrence is independently hydrogen, halogen, loweralkyl, hydroxy, nitro, loweralkoxy, amino cyano, trifluoromethyl or methylthio; m is 1 or 2; k is 1 or 2; R.sub.1 and R.sub.2 are independently hydrogen, loweralkyl, ##STR3## or aryl except that when R.sub.1 is ##STR4## or aryl, R.sub.2 is hydrogen, or alternatively R.sub.1 +R.sub.2 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane, cycloheptane, pyran, thiopyran, indan or piperidine ring; R.sub.3 and R.sub.4 are independently hydrogen or loweralkyl, or alternatively R.sub.3 +R.sub.4 taken together with the carbon atom to which they are attached form a cyclopentane, cyclohexane, cycloheptane, pyran, thiopyran, pyrrolidine or piperidine ring, the term aryl signifying an unsubstituted phenyl group or a phenyl group substituted with 1, 2 or 3 substituents each of which being independently loweralkyl, loweralkoxy, hydroxy, halogen, loweralkylth…