[7-(3-disubstituted amino)phenyl]pyrazolo[1,5-a]pyrimidines
Patent 4626538 Issued on December 2, 1986. Estimated Expiration Date: 
May 13, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 13, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesPyrazolo[1,5-a]pyrimidines and imidazo-[1,5-a]pyrimidines Imidazo[1,5-a]pyrimidines Substituted pyrazolo (1,5-a)pyrimidines and their use as anxiolytic agents Aryl and heteroaryl[7-(aryl and heteroaryl)pyrazolo[1,5-a]pyrimidin-3-yl]methanones Pyrazolo[1,5-a]pyrimidines Patent #: 4576943 InventorsAssigneeApplicationNo. 06/732986 filed on 05/13/1985US Classes:514/259.1, A ring nitrogen is shared by the two cyclos of the bicyclo ring system (e.g., pyrrolo [1,2-a]pyrimidine, imidazo[1,2-a]pyrimidine, etc.)514/281, Two of the cyclos share at least three ring members (i.e., bridged)514/906MUSCLE RELAXANTExaminersPrimary: Daus, Donald G.Assistant: Kapner, Stephen M. Attorney, Agent or FirmInternational ClassesC07D 487/00 (20060101)C07D 487/04 (20060101) AbstractNovel [7-(3-disubstituted amino)phenyl]pyrazolo[1,5-a]pyrimidines useful as anxiolytic, antiepileptic and sedative-hypnotic agents as well as skeletal muscle relaxants, methods of using these compounds, compositions of matter containing them and processes for their production. | |
