Preparation of diphenolics

Details Preparation of diphenolics Preparation of diphenolics

1984-04-09

1987-09-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

568723, 568727, C07C 3912, C07C 3711

Patent

active

046925554

ABSTRACT:
A process for the production of diphenolic compounds having a divalent bridge. A first disubstituted phenol is reacted with an aldehyde in the presence of a secondary amine and excess alcohol to form an ether intermediate. The ether intermediate is reacted with a phenol having an open ortho or para position to form a diphenolic.

REFERENCES:
patent: 2838571 (1958-06-01), Filbey
patent: 2839586 (1958-06-01), Fritz
patent: 2841623 (1958-07-01), Norton et al.
patent: 2841624 (1958-07-01), Norton et al.
patent: 3053803 (1962-09-01), Jaffe et al.
Houben-Weyl, vol. 8, pp. 404-405 "Methoden de Organischem Chemie" (1951).
Reid et al., "J. American Chemical Society", vol. LXI, (1939).

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