Sulfonic acid ester derivatives and process for preparing same

Details Sulfonic acid ester derivatives and process for preparing same Sulfonic acid ester derivatives and process for preparing same

1987-01-20

1989-01-10

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfonate esters

C07C14368

Patent

active

047975024

ABSTRACT:
A sulfonic acid ester derivative represented by the general formula ##STR1## wherein R.sub.1 is a hydrogen atom, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms, A is a group represented by the general formula ##STR2## (wherein R.sub.2 and R.sub.3 are each alkyl having 1 to 4 carbon atoms) or by the general formula ##STR3## (wherein R.sub.4 and R.sub.5 are each alkyl having 1 to 4 carbon atoms or, when taken together with the carbon atom to which they are attached, form cycloalkyl having 4 to 6 carbon atoms), and l is an integer of from 1 to 3, and a process for preparing the derivative.

REFERENCES:
patent: 4411911 (1983-10-01), Fujii et al.
patent: 4452813 (1984-06-01), Fujii et al.

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