One-step dehydrohalogenation-rearrangement-hydrogenation of 1,1-

Details One-step dehydrohalogenation-rearrangement-hydrogenation of 1,1- One-step dehydrohalogenation-rearrangement-hydrogenation of 1,1-

1977-10-31

1979-05-29

Myers, Jane S.

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

Organic compounds

Oxygen containing

560138, C07C 3916

Patent

active

041567870

ABSTRACT:
Dehydrohalogenation-rearrangement-hydrogenation of 1,1-bis(4-hydroxyaryl)-2-haloethanes in an aliphatic carboxylic acid solvent containing a carboxylic acid salt in the presence of gaseous hydrogen and a hydrogenation catalyst is effected in one step to yield 1,2-bis(4-hydroxyaryl)ethanes. The process is particularly directed to the production of 1,2-bis(4-hydroxyphenyl)ethane from 1,1-bis(4-hydroxyphenyl)-2-chloroethane.

REFERENCES:
patent: 3444245 (1969-05-01), Sieber
patent: 3624162 (1971-11-01), Sieber
patent: 3683009 (1972-08-01), Middleton
Sieber, Ann. 730, 31-46 (1969).

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