申请人:Nissan Chemical Industries Ltd.
公开号:US05098900A1
公开(公告)日:1992-03-24
A 3(2H)pyridazinone of the formula: ##STR1## wherein R.sub.1 is C.sub.2 -C.sub.5 alkyl; R.sub.2 is hydrogen, C.sub.1 -C.sub.3 alkyl, chlorine or bromine; R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl; and each of Y.sub.1, Y.sub.2 and Y.sub.3 which may be the same or different, is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.2 -C.sub.8 alkenyl, halogen, --(CH.sub.2).sub.l A [wherein A is substituted amino of the formula --N(R.sub.4) (R.sub.5) (wherein each of R.sub.4 and R.sub.5 which may be the same or different, is C.sub.1 -C.sub.4 alkyl, or R.sub.4 and R.sub.5 together form C.sub.4 -C.sub.6 alkylene), morpholino, 4-R.sub.6 -piperazin-1-yl (wherein R.sub.6 is C.sub.1 -C.sub.3 alkyl) or --OR.sub.7 (wherein R.sub.7 is hydrogen or C.sub.1 -C.sub.3 alkyl), and l is an integer of 0 to 3], --OR.sub.8 [wherein R.sub.8 is hydrogen, C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.5 alkenyl, benzyl or --(CH.sub.2).sub.q --R.sub.9 [wherein R.sub.9 is CO.sub.2 R.sub.3 (wherein R.sub.3 is as defined above), --CONHR.sub.3 (wherein R.sub.3 is as defined above) or --CH.sub.2 OR.sub.7 (wherein R.sub.7 is as defined above), and q is an integer of 1 to 5]], --CO.sub.2 R.sub.3 (wherein R.sub.3 is as defined above), --CON(R.sub.10) (R.sub.11) [wherein each of R.sub.10 and R.sub.11 which may be the same or different, is hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.5 alkenyl, or R.sub.10 and R.sub.11 together form C.sub.4 -C.sub.6 alkylene, --(CH.sub.2).sub.2 O(CH.sub.2).sub.2 -- or --(CH.sub.2).sub.2 N(R.sub.6)(CH.sub.2).sub.2 -- (wherein R.sub.6 is as defined above)], --CONH(CH.sub.2).sub.m A (wherein A is as defined above, and m is an integer of 2 to 4), --CH.dbd.CHCOR.sub.12 (wherein R.sub.12 is hydroxy, C.sub.1 -C.sub.4 alkoxy or --N(R.sub.13) (CH.sub.2).sub.n CO.sub.2 R.sub.3 (wherein R.sub.13 is hydrogen, C.sub.1 -C.sub.6 alkyl or cycloalkyl, R.sub.3 is as defined above, and n is an integer of 1 to 4)), --SR.sub.14 (wherein R.sub.14 is C.sub.1 -C.sub.4 alkyl), --CN or ##STR2## wherein R.sub.3 is as defined above), or two of Y.sub.1, Y.sub.2 and Y.sub.3 together form ##STR3## (wherein p is an integer of 1 or 2), and a pharmaceutically acceptable salt thereof.
该化合物为公式:##STR1## 其中R.sub.1为C.sub.2-C.sub.5烷基;R.sub.2为氢、C.sub.1-C.sub.3烷基、氯或溴;R.sub.3为氢或C.sub.1-C.sub.4烷基;每个Y.sub.1、Y.sub.2和Y.sub.3(可以相同或不同)为氢、C.sub.1-C.sub.8烷基、C.sub.2-C.sub.8烯基、卤素、--(CH.sub.2).sub.l A [其中A为公式--N(R.sub.4)(R.sub.5)的取代氨基(其中R.sub.4和R.sub.5可以相同或不同,为C.sub.1-C.sub.4烷基,或R.sub.4和R.sub.5一起形成C.sub.4-C.sub.6亚烷基),morpholino、4-R.sub.6-piperazin-1-yl(其中R.sub.6为C.sub.1-C.sub.3烷基)或--OR.sub.7(其中R.sub.7为氢或C.sub.1-C.sub.3烷基),l为0至3的整数],--OR.sub.8 [其中R.sub.8为氢、C.sub.1-C.sub.8烷基、C.sub.3-C.sub.5烯基、苄基或--(CH.sub.2).sub.q--R.sub.9 [其中R.sub.9为CO.sub.2R.sub.3(其中R.sub.3如上所述),--CONHR.sub.3(其中R.sub.3如上所述)或--CH.sub.2OR.sub.7(其中R.sub.7如上所述),q为1至5的整数],--CO.sub.2R.sub.3(其中R.sub.3如上所述),--CON(R.sub.10)(R.sub.11)[其中每个R.sub.10和R.sub.11可以相同或不同,为氢、C.sub.1-C.sub.4烷基或C.sub.3-C.sub.5烯基,或R.sub.10和R.sub.11一起形成C.sub.4-C.sub.6亚烷基,--(CH.sub.2).sub.2O(CH.sub.2).sub.2--或--(CH.sub.2).sub.2N(R.sub.6)(CH.sub.2).sub.2--(其中R.sub.6如上所述)],--CONH(CH.sub.2).sub.mA(其中A如上所述,m为2至4的整数),--CH.dbd.CHCOR.sub.12(其中R.sub.12为羟基、C.sub.1-C.sub.4烷氧基或--N(R.sub.13)(CH.sub.2).sub.nCO.sub.2R.sub.3(其中R.sub.13为氢、C.sub.1-C.sub.6烷基或环烷基,R.sub.3如上所述,n为1至4的整数)),--SR.sub.14(其中R.sub.14为C.sub.1-C.sub.4烷基),--CN或##STR2##(其中R.sub.3如上所述),或Y.sub.1、Y.sub.2和Y.sub.3中的两个一起形成##STR3##(其中p为1或2的整数),以及其药学上可接受的盐。