Bisphenol synthesis on modified ion-exchange resins using specia

Details Bisphenol synthesis on modified ion-exchange resins using specia Bisphenol synthesis on modified ion-exchange resins using specia

1997-04-08

1998-07-14

Reamer, James H.

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

Organic compounds

Oxygen containing

768724, C07C 3720

Patent

active

057806900

ABSTRACT:
The invention relates to a process for the synthesis of bis-(4-hydroxyphenyl)-alkanes on ion-exchange resins or mixtures of ion-exchange resins which are modified with alkyl-SH groups, wherein the monophenols and carbonyl compounds to be used have first been purified to remove substances which can transfer alkyl groups.

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patent: 2775620 (1956-12-01), Williamson
patent: 4912263 (1990-03-01), Rudolph et al.
Chem Absract No. 3338e, 1962.
Chem. Abstract No. 60 1626h, 1964.
Chem. Abstract No. 59 511h, 1963.
Chem. Abstract No. 58 1403e.

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