Method for the conversion of a Z-isomer into E-isomer

Details Method for the conversion of a Z-isomer into E-isomer Method for the conversion of a Z-isomer into E-isomer

2005-01-18

2005-01-18

Shippen, Michael L. (Department: 1621)

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

Organic compounds

Oxygen containing

C568S627000, C568S646000

Reexamination Certificate

active

06844471

ABSTRACT:
A method of converting (Z)-1-(3,5-disubstituted phenyl)-2-(4-substituted phenyl)ethene of general formula (II) to (E)-1-(3,5-disubstituted phenyl)-2-(4-substituted phenyl)ethene of general formula (I)wherein R1, R2, and R3are the same or different and independently represent (C1-C4)alkyl, (C1-C4)alkoxy(C1-C4)alkyl, (C1-C4)alkoxy(C1-C4)alkoxy(C1-C4)alkyl, allyl, vinyl, silyl, formyl, acyl, aryl(C1-C4)alkyl or substituted aryl(C1-C4)alkyl group. The present invention also provides a process for the conversion of (E)-(3,5-disubstituted phenyl-2-(4-substituted phenyl)ethene of general formula (I) to E-resveratrol of formula (III).

REFERENCES:
patent: 2311093 (1943-02-01), Serini et al.
patent: 2346049 (1944-04-01), Rohrmann
patent: 6048903 (2000-04-01), Toppo
patent: WO0160774 (2001-08-01), None
Kim, J. Med.Chem., vol. 45, pp. 160-164 (Published on Web Dec. 7, 2001).

Affiliated with

Also associated with

Rating

Method for the conversion of a Z-isomer into E-isomer 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 the conversion of a Z-isomer into E-isomer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for the conversion of a Z-isomer into E-isomer will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3410771