Method for enantioselective preparation of sulphoxide...

C - Chemistry – Metallurgy – 07 – D

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07D 471/04 (2006.01) C07C 315/02 (2006.01)

Patent

CA 2580446

The present invention concerns enantioselective preparation of sulphoxide derivatives or their salts. The method consists in performing an enantioselective oxidation of a sulphur of general formula (I) A - CH2 - S B, wherein: A is a diversely substituted pyridinyl ring and B is a heterocyclic radical comprising an imidazo-pyridinyl ring, using an oxidizing agent in the presence of a titanium(IV)-based catalyst and a chiral ligand consisting of a cyclic beta or gamma-amino-alcohol, in an organic solvent, followed, if required, by salt formation with a base. The invention is useful for preparing sulphoxides useful in therapeutics.

L'invention concerne la préparation énantiosélective de dérivés de sulfoxydes ou de leurs sels. Le procédé consiste à effectuer une oxydation énantiosélective d'un sulfure de formule générale (I) ci-après A - CH2 - S - B (I) dans laquelle A est un noyau pyridinyle diversement substitué et B un reste hétérocyclique comportant un noyau imidazo-pyridinyle, au moyen d'un agent oxydant en présence d'un catalyseur à base de titane(IV) et d'un ligand chiral constitué par un bêta ou gamma-amino-alcool cyclique, dans un solvant organique, suivie le cas échéant d'une salification par une base. Application à la préparation de sulfoxydes utiles en thérapeutique.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Method for enantioselective preparation of sulphoxide... 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 enantioselective preparation of sulphoxide..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for enantioselective preparation of sulphoxide... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-2090668

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.