申请人:Kureha Kagaku Kogyo K.K.
公开号:US05380843A1
公开(公告)日:1995-01-10
Phenyl (1,3,5-triazin-2-yl)carbamates of the formula (I): ##STR1## wherein R.sup.1 is H, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, R.sup.2 and R.sup.3 are independently H, halogen atom, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.2 -C.sub.4 alkoxyalkyl or NR.sup.7 R.sup.8 (R.sup.7, R.sup.8 : H or C.sub.1 -C.sub.4 alkyl, independently), and R.sup.4, R.sup.5 and R.sup.6 are independently H, halogen atom, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, are prepared by reacting a 2-amino-1,3,5-triazine of the formula (II): ##STR2## with a diphenyl carbonate of the formula (III): ##STR3## in the presence of an alkali metal hydride in an acrotic polar solvent. An parotic polar solvent mixture of the phenyl (1,3,5-triazin-2-yl)carbamate of the formula (I) and an alkali metal phenoxide is also disclosed.
式(I)中,苯基(1,3,5-三嗪-2-基)氨基甲酸酯:其中R1为H、C1-C4烷基或C1-C4烷氧基,R2和R3分别为H、卤素原子、C1-C4烷基、C1-C4烷氧基、C1-C4烷硫基、C1-C4卤代烷基、C1-C4卤代烷氧基、C1-C4卤代烷硫基、C2-C4烷氧基烷基或NR7R8(R7、R8:H或C1-C4烷基,独立存在),R4、R5和R6独立地为H、卤素原子、C1-C4烷基或C1-C4烷氧基。该化合物可以通过在无水极性溶剂中存在碱金属氢化物的情况下,将式(II)的2-氨基-1,3,5-三嗪与式(III)的二苯基碳酸酯反应制备而成。该文还公开了苯基(1,3,5-三嗪-2-基)氨基甲酸酯的无水极性溶剂混合物和碱金属苯氧化物。