Process for preparing hydroxyflavan compounds

Details Process for preparing hydroxyflavan compounds Process for preparing hydroxyflavan compounds

1997-02-28

1997-12-16

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31160, C07D31164

Patent

active

056987170

ABSTRACT:
Described herein is a process for preparing a hydroxyflavan compound which comprises reacting a polyhydric phenol compound represented by formula(2): ##STR1## wherein at least one of W, X, Y and Z is hydroxy; with a ketone in the presence of (i)an acid catalyst and (ii)water and/or a seed crystal, using an organic solvent which is insoluble in water, procuces the hydroxyflavan compounds in high yield and with high selectivity while maintaining high conversion of the polyhydric phenol.

Affiliated with

Also associated with

Rating

Process for preparing hydroxyflavan compounds does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for preparing hydroxyflavan compounds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for preparing hydroxyflavan compounds will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-207887