Anticonvulsant sulfamate derivatives
Patent 4513006 Issued on April 23, 1985. Estimated Expiration Date: 
September 26, 2003. 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.
September 26, 2003. 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 ReferencesInhibition of male fertility with aliphatic sulfamates Patent #: 4075351 InventorsAssigneeApplicationNo. 06/535475 filed on 09/26/1983US Classes:514/23, Carbohydrate (i.e., saccharide radical containing) DOAI514/459, Nitrogen containing514/517, S-X-C containing (e.g., sulfates, etc.) (X is chalcogen)536/54, Sulfur containing549/336, Polycyclo ring system having one of the two rings which form the spiro as one of the cyclos549/337, Additional hetero ring containing549/338, Plural five-membered hetero rings549/387, Plural ring oxygens in the tricyclo ring system549/396, Bicyclo ring system having the hetero ring as one of the cyclos549/426, Nitrogen attached indirectly to the hetero ring by nonionic bonding549/427, Chalcogen attached indirectly to the hetero ring by nonionic bonding558/48Nitrogen attached directly or indirectly to the sulfonate group by acyclic nonionic bondingExaminersPrimary: Chan, NickyAttorney, Agent or FirmInternational ClassesC07D 309/00 (20060101)C07D 309/06 (20060101) C07H 9/04 (20060101) C07H 9/00 (20060101) AbstractSulfamates of the following formula (I): ##STR1## wherein X is O or CH2 and R1, R2, R3, R4 and R5 are as herein defined have been found to exhibit anticonvulsant activity and are thus useful in the treatment of conditions such as epilepsy. Further, pharmaceutical compositions containing a compound of formula (I) as well as methods for their use and intermediates form part of the present invention.Other References
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