申请人:Bayer Aktiengesellschaft
公开号:US04832733A1
公开(公告)日:1989-05-23
Herbicidally active 3-amino-2-cyano-acrylic acid esters of the formula ##STR1## in which R.sup.1 represents alkoxyalkyl or benzyloxyalkyl R.sup.2 represents alkyl or alkenyl, R.sup.3 represents hydrogen or alkyl, R.sup.4 represents hydrogen, or represents alkyl which is optionally substituted by hydroxyl, halogen, alkoxy or dialkylamino, X.sup.1 and X.sup.2 are identical or different and represent hydrogen, halogen, nitro, alkyl, alkoxy, alkylthio, halogenoalkyl, halogenoalkoxy, amino, alkylamino, alkylcarbonylamino, N-alkylcarbonyl-N-alkylamino, dialkylaminocarbonylamino or in each case optionally substituted aryl or aryloxy, or X.sup.1 and X.sup.2 together with the adjacent phenyl radical represent naphthyl and m represents the number 0, 1, 2, 3, 4 or 5. Intermediates of the formula ##STR2## are also new.
式子为##STR1##的具有除草活性的3-氨基-2-氰基-丙烯酸酯,其中R.sup.1代表烷氧基烷基或苄氧基烷基,R.sup.2代表烷基或烯基,R.sup.3代表氢或烷基,R.sup.4代表氢,或代表烷基,其可选地被羟基,卤素,烷氧基或二烷基氨基取代,X.sup.1和X.sup.2相同或不同,代表氢,卤素,硝基,烷基,烷氧基,烷硫基,卤代烷基,卤代烷氧基,氨基,烷基氨基,烷基羰基氨基,N-烷基羰基-N-烷基氨基,二烷基氨基羰基氨基或在每种情况下可选地取代的芳基或芳氧基,或X.sup.1和X.sup.2与相邻的苯基基团一起代表萘基,m代表数字0, 1, 2, 3, 4或5。式子为##STR2##的中间体也是新的。