Last Updated: May 10, 2026

Claims for Patent: 4,831,031

✉ Email this page to a colleague

« Back to Dashboard

Summary for Patent: 4,831,031

Title:	Aryl piperazinyl-(C2 or C4) alkylene heterocyclic compounds having neuroleptic activity
Abstract:	Arylpiperazinyl-ethyl(or butyl)-heterocyclic compounds and their pharmaceutically acceptable acid addition salts are neuroleptic agents. They are useful in the treatment of psychotic disorders.
Inventor(s):	John A. Lowe, III, Arthur A. Nagel
Assignee:	Pfizer Corp SRL , Pfizer Inc
Application Number:	US07/146,886
Patent Claims:	1. A compound of the formula ##STR4## or a pharmaceutically acceptable acid addition salt thereof, wherein Ar is benzoisothiazolyl or an oxide or dioxide thereof each optionally substituted by one fluoro, chloro, trifluoromethyl, methoxy, cyano, or nitro;n is 1 or 2; and X and Y together with the phenyl to which they are attached form benzothiazolyl; 2-aminobenzothiazolyl; benzoisothiazolyl; indazolyl; 2-hydroxyindazolyl; indolyl; oxindolyl optionally substituted by one to three of (C1 -C3)alkyl, or one of chloro, fluoro or phenyl, said phenyl optionally substituted by one chloro or fluoro; benzoxazolyl; 2-aminobenzoxazolyl; benzoxazolonyl; 2-aminobenzoxazolinyl; benzothiazolonyl; bezoimidazolonyl; or benzotriazolyl. 2. A compound according to claim 1 wherein X and Y together with the phenyl to which they are attached form benzoxazolonyl. 3. A compound according to claim 2 wherein Ar is benzoisothiazolyl and n is 1. 4. A compound according to claim 1 wherein X and Y together with the phenyl to which they are attached form oxindole. 5. A pharmaceutical composition having neuroleptic activity comprising a compound according to claim 1 in an amount effective in the treatment of neuroleptic diseases, and a pharmaceutically acceptable carrier. 6. A composition according to claim 5 wherein X and Y together with the phenyl to which they are attached form benzoxazolonyl. 7. A composition according to claim 6 wherein Ar is benzoisothiazolyl and n is 1. 8. A composition according to claim 5 wherein X and Y together with the phenyl to which they are attached form oxindole. 9. A method of treating neuroleptic diseases which comprises administering to a subject in need of treatment a neuroleptic amount of a compound according to claim 1.

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.