申请人:BASF Aktiengesellschaft
公开号:US05202503A1
公开(公告)日:1993-04-13
Novel benzonitriles, benzaldehydes and benzyl alcohols of the formula I ##STR1## where R.sup.1 is methyl or ethyl, R.sup.2 is alkyl, alkenyl, cycloalkyl, cycloalkenyl, bicycloalkyl, bicycloalkenyl, or C.sub.1 -C.sub.5 -alkyl-substituted cycloalkyl, cycloalkenyl, bicycloalkyl or bicycloalkenyl, X is hydrogen, chlorine or fluorine and Z is --CN, CHO or ##STR2## where R.sup.3 is hydrogen, cyano, C.sub.2 -C.sub.4 -alkynyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.1 -C.sub.4 -alkyl, with the proviso that R.sup.2 is not --CH.sub.2 --CH.dbd.CH--B when B is hydrogen, alkyl or alkenyl and at the same time R.sup.1 is methyl and Z is ##STR3## and with the proviso that R.sup.2 is not methyl or ethyl when R.sup.1 is methyl and at the same time Z is ##STR4## and furthermore with the proviso that R.sup.2 is not methyl when R.sup.1 is methyl or ethyl and at the same time Z is --CN or --CHO.
化合物的式子为I,其中R.sup.1为甲基或乙基,R.sup.2为烷基,烯基,环烷基,环烯基,双环烷基,双环烯基或C.sub.1-C.sub.5-烷基取代的环烷基,环烯基,双环烷基或双环烯基,X为氢,氯或氟,Z为--CN,CHO或##STR2##其中R.sup.3为氢,氰基,C.sub.2-C.sub.4-炔基,C.sub.2-C.sub.4-烯基或C.sub.1-C.sub.4-烷基,但有一个限制,当B为氢,烷基或烯基时,R.sup.2不是--CH.sub.2--CH.dbd.CH--B,同时R.sup.1为甲基且Z为##STR3##另有一个限制,当R.sup.1为甲基且Z为##STR4##时,R.sup.2不是甲基或乙基,此外,当R.sup.1为甲基或乙基且Z为--CN或--CHO时,R.sup.2不是甲基。