Acidic catalyst for condensation reactions

Details Acidic catalyst for condensation reactions Acidic catalyst for condensation reactions

1992-07-13

1993-08-03

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 3720, C07C 3912

Patent

active

052330966

ABSTRACT:
Strongly acidic cation-exchange resin beads made by functionalizing jetted, suspension-polymerized, crosslinked, styrenic copolymer beads with sulfonic acid groups produce an unexpectedly high level of conversion when catalyzing condensation reactions, particularly the condensation of phenol with aldehydes or ketones to form bisphenols.

REFERENCES:
patent: 3153001 (1964-10-01), Apel et al.
patent: 3172916 (1965-03-01), Wagner
patent: 3634341 (1972-01-01), Gamill et al.
patent: 3922255 (1975-11-01), Koestler et al.
patent: 4391997 (1983-07-01), Mendiratta
patent: 4590303 (1986-05-01), Mendiratta
patent: 4623706 (1986-11-01), Timm et al.
patent: 4820740 (1989-04-01), Li

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