申请人:ORSAN
公开号:EP0138661A2
公开(公告)日:1985-04-24
Pollen suppressants of the formula
wherein Z represents a divalent organic radical of the formula -CH=CH-CH=CH-, -CH=CH-CH=N-, -CH=CH-N=CH-, -CH=CH-NH-, -CH=CH-O-, or -CH =CH-S or said radical in which an H of Z is replaced with a halogen atom with the proviso that no more than three H of Z are replaced by fluorine: a Cl-C4 alkyl, C1-C4 alkoxy, C1-C4 alkanoyl, cyano, nitro, hydroxy, or trihalomethyl group; or a group of the formula -NH1R2 wherein R1 and R2 independently represent a hydrogen atom or a C1-C4 alkyl group; Y is Y1R3 or NR4 R5 wherein Y1 is oxygen or sulfur; R3 is hydrogen, C1-C4 alkyl, C1-C4 alkoxyalkyl, cyclohexylmethyl, halogenated Ct-C4 alkyl, phenyl, or benzyl; and R4 and R5 are independently selected from the group consisting of hydrogen, C1-C4 alkyl, or C1-C4 alkyl substituted with carboxyl or C1-C4 alkoxycarbonyl, and R represents C1-C4 alkyl, phenyl, naphthyl, or phenyl or naphthyl substituted with one to three substituents selected from the group consisting of halogen, trihalomethyl, C1-C4 alkoxy, C1-C4 alkyl, and cyano, are disclosed along with methods of producing these compounds and of using them to produce hybrid seeds in self-fertilizing plants.
式中的花粉抑制剂
其中 Z 代表式-CH=CH-CH=CH-、-CH=CH-CH=N-、-CH=CH-N=CH-、-CH=CH-NH-、-CH=CH-O-或-CH =CH-S的二价有机基,或 Z 的一个 H 被卤原子取代的上述基团,但条件是 Z 的不超过三个 H 被氟取代:C1-C4烷基、C1-C4烷氧基、C1-C4烷酰基、氰基、硝基、羟基或三卤甲基;或式-NH1R2 的基团,其中 R1 和 R2 独立地代表氢原子或 C1-C4 烷基;Y 是 Y1R3 或 NR4 R5,其中 Y1 是氧或硫;R3 是氢、C1-C4 烷基、C1-C4 烷氧基烷基、环己基甲基、卤代 Ct-C4 烷基、苯基或苄基;以及 R4 和 R5 独立地选自氢、C1-C4 烷基或被羧基或 C1-C4 烷氧基羰基取代的 C1-C4 烷基组成的组,R 代表 C1-C4 烷基、苯基、萘基或被一至三个选自卤素、三卤甲基、C1-C4 烷氧基、C1-C4 烷基和氰基组成的组的取代基取代的苯基或萘基。