C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
167/245, 167/267
C07C 311/20 (2006.01) A61K 31/18 (2006.01) A61K 31/34 (2006.01) C07C 311/10 (2006.01) C07C 311/29 (2006.01) C07D 493/08 (2006.01)
Patent
CA 2040319
Sulfonylamino substituted bicyclyl hydroxamic acid derivatives of the formula: Image wherein R1 and R2 each is hydrogen or lower alkyl; R3 is hydrogen, lower alkyl, lower alkoxy, hydroxy or halogen; X is alkylene or alkenylene; Y is methylene or oxygen; and n is 0, 1, or 2 or the pharmaceutically acceptable salt thereof. These compounds have an advanced antagonistic activity to thromboxane A2 (TXa2)-receptor and are useful for the treatment of thrombosis, vasoconstriction, or bronchoconstriction, and the like disease which are induced by TXA2.
Matsuura Takaharu
Ohtani Mitsuaki
Shirahase Kazuhiro
Mccarthy Tetrault Llp
Shionogi & Co. Ltd.
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