Bis[4'-(4-hydroxyphenyl)-phenyl]alkanes and polycarbonates prepa

Details Bis[4'-(4-hydroxyphenyl)-phenyl]alkanes and polycarbonates prepa Bis[4'-(4-hydroxyphenyl)-phenyl]alkanes and polycarbonates prepa

1993-10-01

1994-06-07

Lone, Werren B.

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

Organic compounds

Oxygen containing

568717, 528 75, C07C 3912

Patent

active

053191498

ABSTRACT:
Bis[4-(4-hydroxyphenyl)-phenyl]alkanes, as illustrated by 2,2-bis[4-(4-hydroxyphenyl)-phenyl]propane, may be prepared by the reaction of a bisphenol A ester or a similar compound with a p-trialkyltin-substituted anisole, followed by demethylation with a Lewis acid such as boron tribromide. Polycarbonates prepared therefrom are ductile and have high glass transition temperatures.

REFERENCES:
patent: 3466260 (1969-09-01), Bostian et al.
patent: 4841009 (1989-06-01), Kelsey
patent: 5145939 (1992-09-01), Nye

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