Preparation of p-phenyl sulfonate esters of acyl glycolic acids

Details Preparation of p-phenyl sulfonate esters of acyl glycolic acids Preparation of p-phenyl sulfonate esters of acyl glycolic acids

C - Chemistry, Metallurgy

07

C

C07C 303/06 (2006.01) C07C 309/42 (2006.01)

Patent

CA 2054936

The invention encompasses methods for preparing in high purity and in high yield p-phenyl sulfonic acid acyl glycolates of the formula (See formula I) where R represents branched or straight chain alkyl having 6-12 carbon atoms by treating a phenyl ester or phenyl acyl glycolate of the formula (See formula II) where R represents branched or straight chain alkyl having 6-12 carbon atoms with a sulfonating agent to form intermediate sulfonation; transmuting the intermediate sulfonation products; and quenching the transmuted intermediate sulfonation products with a quenching reagent reactive with sulfur trioxide.

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