Manufacturing process for preparing disubstituted...

Details Manufacturing process for preparing disubstituted... Manufacturing process for preparing disubstituted...

C - Chemistry, Metallurgy

07

D

260/466.05, 260/

C07D 317/32 (2006.01) C07C 119/00 (1980.01)

Patent

CA 1173050

ABSTRACT OF THE DISCLOSURE A process for the manufacture of a disubstituted imido- carbonate of the formula:- Image in which R1 and R2 are the same and are alkyl radicals of 1 to 6 carbon atoms or phenyl radicals, or R1 and R2 are joined to form an ethylene or propylene chain which is optionally substituted by 1 or 2 alkyl radicals, each of 1 to 3 carbon atoms, by reaction of cyanogen chloride or cyanogen bromide with the appropriate alcohol or diol, characterised in that the reaction is conducted in a two phase system containing water and a water-immiscible organic solvent.

417019

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