Aralkylamino sulfones having spasmolytic activities
Patent 4034103 Issued on July 5, 1977. Estimated Expiration Date: 
July 5, 1994. 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.
July 5, 1994. 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 References 3235535 3453309 3689524 InventorsApplicationNo. 05/564789 filed on 04/03/1975US Classes:514/452, Plural ring oxygens in the hetero ring514/466, Nitrogen containing514/654, The chain consists of two or more carbons which are unsubtituted or have acyclic hydrocarbyl substituents only549/362, Bicyclo ring system having the hetero ring as one of the cyclos549/443, Chalcogen attached indirectly to the bicyclo ring system by nonionic bonding554/108, Additional oxygen containing (e.g., hydroxy, ether, etc.)558/390, Nitrogen in the acyclic chain560/38, The nitrogen is in same side chain as ester function560/39, Oxy in acid moiety560/9, Sulfur in acid moiety562/444, Oxy564/162, Sulfur in substituent Q564/164, The substituent nitrogen is an amino nitrogen attached indirectly to a ring by acyclic nonionic bonding564/165, Hydroxy, bonded directly to carbon, or ether in substituent Q (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal)564/99Benzene ring in a substituent EExaminersPrimary: Torrence, Dolph H.Attorney, Agent or FirmForeign Application Priority Data1974-04-08 NLAbstractAn aralkylamino sulfone such as 4- [n-ethyl -[1-methyl-2-(4-methoxy-phenyl)] ethylamino] -butyl sulfone is useful as a spasmolytic for the smooth muscle system. |
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