186652-06-2Relevant articles and documents
Pyridazinone derivatives and processes for preparing the same
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, (2008/06/13)
Disclosed is a pyridazinone compound represented by the formula (I): STR1 wherein X represents hydrogen atom or the like; Y represents a single bonding arm, oxygen atom or sulfur atom; A represents a straight or branched alkylene group which may have a double bond; B represents carbonyl group or thiocarbonyl group; and R2 represents an alkyl group having 1 to 10 carbon atoms which may be substituted or the like; or B represents sulfonyl group; and R2 represents a lower alkenyl group or the like; R1 represents hydrogen atom or the like; R3 represents hydrogen atom or the like; R4 represents hydrogen atom or the like; and R5 represents hydrogen atom or the like, or a pharmaceutically acceptable salt thereof.