Method for making tris(hydroxyphenyl) compounds using ion exchan

Details Method for making tris(hydroxyphenyl) compounds using ion exchan Method for making tris(hydroxyphenyl) compounds using ion exchan

1997-10-17

1999-10-19

Shaver, Paul F.

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

Organic compounds

Acyclic carbon bonded directly to three benzene rings or to...

C09B 1104

Patent

active

059691670

ABSTRACT:
An improved method for the preparation of tris(4-hydroxyphenyl) compounds is provided. In particular, an improved method for preparing 1, 1, 1-tris(4'-hydroxyphenyl)ethane is provided which comprises heating a mixture comprising phenol and 4-hydroxy acetophenone in the presence of effective amounts of an ion exchange catalyst and a mercaptan as a copromoter such that the resulting 1, 1, 1-tris(4'-hydroxyphenyl)ethane is substantially free of various reaction impurities.

REFERENCES:
patent: 4931594 (1990-06-01), Knebel et al.
patent: 5756781 (1998-05-01), Sybert et al.

Affiliated with

Also associated with

Rating

Method for making tris(hydroxyphenyl) compounds using ion exchan does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for making tris(hydroxyphenyl) compounds using ion exchan, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for making tris(hydroxyphenyl) compounds using ion exchan will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2057400