申请人:Ciba-Geigy Corporation
公开号:US04391976A1
公开(公告)日:1983-07-05
A process for producing an N-(heterocyclo-aminocarbonyl)-arylsulfamate of the general formula I ##STR1## wherein R.sub.1 is hydrogen, methoxy or C.sub.1 -C.sub.3 -alkyl, R.sub.2 is hydrogen, fluorine, chlorine, bromine, nitro, CF.sub.3, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl, R.sub.3 is hydrogen, fluorine, chlorine, bromine, methyl or C.sub.1 -C.sub.4 -alkoxy, R.sub.4 is hydrogen, fluorine, chlorine, bromine, nitro, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl, R.sub.5 is hydrogen, fluorine, chlorine, bromine, nitro or CF.sub.3, R.sub.6 is hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, X is C.sub.1 -C.sub.2 -alkyl, C.sub.1 -C.sub.3 -alkoxy, C.sub.1 -C.sub.2 -alkylthio, methoxymethyl, methoxyethyl, CF.sub.3 or chlorine, Y is C.sub.1 -C.sub.2 -alkyl, C.sub.1 -C.sub.3 -alkoxy, C.sub.1 -C.sub.2 -alkylthio, methoxymethyl or methoxyethyl, and Z is the methine group or nitrogen, which process comprises adding, in an inert organic solvent, chlorosulfonylisocyanate of the formula III Cl--SO.sub.2 --N.dbd.C.dbd.O (III) to an aminoheterocyclic compound of the formula II ##STR2## wherein R.sub.1, X, Y and Z have the meanings defined under the formula I; and subsequently reacting this mixture, optionally with the addition of an agent binding hydrogen chloride, with a phenol of the formula IV ##STR3## wherein R.sub.2 and R.sub.3 have the meanings given under the formula I.
一种生产通式I的N-(杂环氨基甲酰)-芳基磺酸酯的方法,其中R₁为氢、甲氧基或C₁-C₃-烷基,R₂为氢、氟、氯、溴、硝基、三氟甲基、C₁-C₄-烷基、C₁-C₄-烷氧基或C₁-C₄-烷氧羰基,R₃为氢、氟、氯、溴、甲基或C₁-C₄-烷氧基,R₄为氢、氟、氯、溴、硝基、氰基、C₁-C₄-烷基、C₁-C₄-烷氧基或C₁-C₄-烷氧羰基,R₅为氢、氟、氯、溴、硝基或三氟甲基,R₆为氢、氟、氯、溴、C₁-C₄-烷基或C₁-C₄-烷氧基,X为C₁-C₂-烷基、C₁-C₃-烷氧基、C₁-C₂-烷硫基、甲氧基甲基、甲氧基乙基、三氟甲基或氯,Y为C₁-C₂-烷基、C₁-C₃-烷氧基、C₁-C₂-烷硫基、甲氧基甲基或甲氧基乙基,Z为甲基或氮,该方法包括在惰性有机溶剂中,将通式III的氯磺酰异氰酸酯Cl--SO₂--N.dbd.C.dbd.O(III)加入到通式II的氨基杂环化合物中,并随后反应该混合物,可选地加入结合氢氯化物的试剂,与通式IV的酚反应,其中R₂和R₃具有通式I中给定的含义。