Process for preparing bisphenols

Details Process for preparing bisphenols Process for preparing bisphenols

C - Chemistry, Metallurgy

07

C

260/616.4

C07C 39/14 (2006.01) C07C 37/20 (2006.01)

Patent

CA 1169096

ABSTRACT OF THE DISCLOSURE Bisphenols are prepared by condensation of a phenol with a ketone in the presence of a sulfonic acid type cation exchange resin partially modified with a pyridinealkanethiol of the formula: PY-(CH2)nSH wherein n is a positive integer and Py is 3-pyridyl when n is 1, or 2-, 3- or 4-pyridyl when n is more than 1.

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