Process for the preparation of chlorosulfate and sulfamate...

Details Process for the preparation of chlorosulfate and sulfamate... Process for the preparation of chlorosulfate and sulfamate...

C - Chemistry, Metallurgy

07

H

C07H 9/04 (2006.01) C07C 303/34 (2006.01) C07C 307/02 (2006.01) C07D 309/06 (2006.01) C07D 493/04 (2006.01) C07D 493/14 (2006.01)

Patent

CA 2078519

A process for producing chlorosulfate and sulfamate esters of 2,3:4,5-bis-O-(1-methylethylidene)-.beta.-D-fructopyranose and (1-methylcyclohexyl)methanol is disclosed. The process involves a two step procedure involving in the first step reacting of an alcohol with sulfuryl chloride in the presence of a tertiary or heterocyclic amine base in a solvent selected from the group consisting of toluene, t-butyl methyl ether or tetrahydrofuran, and in the second step reacting of the resulting intermediate with an amine in a solvent selected from the group consisting of toluene, t- butyl methyl ether, tetrahydrofuran and lower alkanol.

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