申请人:BASF Aktiengesellschaft
公开号:US05298527A1
公开(公告)日:1994-03-29
.alpha.-Phenylacrylic acid derivatives I ##STR1## n=0 to 4; y=a; R.sup.1 =H; alkyl; alkenyl; alkynyl; substituted or unsubstituted cycloalkyl; vinyl or ethynyl when W is a direct bond; R.sup.2 =CN; alkenyl; alkynyl; substituted or unsubstituted cycloalkyl; substituted or unsubstituted alkyl; R.sup.3 =H; NO.sub.2 ; CN; halogen; alkyl; alkoxy; haloalkyl; haloalkoxy; alkylthio; or when n is 2, 3 or 4, two adjacent substituents R.sup.3 together form substituted or unsubstituted 1,3-butadien-1,4-diyl; R.sup.4 is phenyl which carries a radical --CR.sup.7 .dbd.NO--R.sup.8 and which may further carry one or two radicals; W=direct bond; oxygen; sulfur; substituted or unsubstituted nitrogen; and A can be an oxygen or sulfur radical.
.alpha.-苯基丙烯酸衍生物 I
n=0至4;y=a;R.sup.1=H;烷基;烯烃基;炔基;取代或未取代的环烷基;当W是直接键时,为乙烯基或乙炔基;R.sup.2=CN;烯烃基;炔基;取代或未取代的环烷基;取代或未取代的烷基;R.sup.3=H;NO.sub.2;CN;卤素;烷基;烷氧基;卤代烷基;卤代烷氧基;烷硫基;或当n为2、3或4时,两个相邻的取代基R.sup.3一起形成取代或未取代的1,3-丁二烯-1,4-二基;R.sup.4是苯基,携带一个基团--CR.sup.7.dbd.NO--R.sup.8,并且可能进一步携带一个或两个基团;W=直接键;氧;硫;取代或未取代的氮;A可以是氧或硫基团。