Production of dihydroxydiphenyl alkanes

Details Production of dihydroxydiphenyl alkanes Production of dihydroxydiphenyl alkanes

1977-03-24

1978-05-23

Evans, Joseph E.

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

Organic compounds

Oxygen containing

C07C 2900

Patent

active

040910385

ABSTRACT:
Iodine is employed as a promoter for the reaction between phenol and a 1,2-dihaloethane wherein the halogen is chlorine, bromine or iodine using a zinc-containing catalyst to produce dihydroxydiphenylethanes, especially the 4,4'-isomer.

REFERENCES:
patent: 2091483 (1937-08-01), Olin
patent: 2134711 (1938-11-01), Flett
patent: 2567848 (1951-09-01), Kooyman
patent: 2900418 (1959-08-01), Huett et al.
patent: 3463824 (1969-08-01), Velling
Nosalevich et al., "Vestr. Khar'kov. Politekh. Inst." (Ukrain), No. 60 (1971), 61-64.

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