两个系列的2-氰基-3-取代的吡啶甲基氨基丙烯酸酯,即12种新的(Z)-2-氰基-3-甲硫基-3-取代的吡啶甲烷氨基丙烯酸酯和10种新的(Z)-2-氰基-3-烷基-3-丙烯酸酯取代的吡啶甲烷氨基丙烯酸酯被合成为光系统II(PSII)电子传输的除草抑制剂。所有这些化合物都通过(1)NMR,元素,IR和质谱分析证实。对它们的除草活性进行了评估。一些化合物即使在75 g / ha的剂量下也表现出优异的除草活性。吡啶环的2位上合适的取代基和丙烯酸酯的3位上合适的基团对于高除草活性至关重要。含有取代吡啶环的2-氰基丙烯酸酯比含有苯基的母体化合物具有更高的除草活性。
Novel alpha-cyanoacrylate compound, method of preparing same and adhesive comprising same
申请人:Kabushiki Kaisha Alpha Giken
公开号:EP0127855A1
公开(公告)日:1984-12-12
a-cyanoacrylate compounds expressed by the following general formula:
wherein R' desianates-
and R2 designates alkyl groups, alkenyl groups or alkynyl groups of C1 to C4. These compounds are preferably synthesized by the reaction of the compounds expressed by the following general formula:
wherein R' and R2 are same as the above described, with formaldehyde products and then the depolymerization of the resulting dehydrating condensation polymers. These compounds are effectively used as fast-setting adhesives.