Pentenoic acid hydroxycarbonylation method

C - Chemistry – Metallurgy – 07 – C

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C07C 55/14 (2006.01) C07C 51/14 (2006.01)

Patent

CA 2257908

The invention discloses pentenoic acid hydroxycarbonylation into adipic acid. More particularly it concerns one pentenoic acid hydroxycarbonylation method involving reaction water and carbon monoxide, in presence of a catalyst comprising at least rhodium and/or iridium and an iodinated or brominated catalytic promoter. In the method, the catalyst is derived at least in part from a previous pentenoic acid hydroxycarbonylation operation. The reaction is effected in the presence of an amount of branched carboxylic diacids having 6 carbon atoms not exceeding 200 grams per kilogram of reaction mixture.

La présente invention concerne l'hydroxycarbonylation des acides penténoïques en acide adipique. Elle concerne plus particulièrement un procédé d'hydroxycarbonylation d'acide penténoïque par réaction avec l'eau et le monoxyde de carbone, en présence d'un catalyseur comportant au moins du rhodium et/ou de l'iridium et d'un promoteur iodé ou bromé, procédé dans lequel le catalyseur provient au moins en partie d'une opération antérieure d'hydroxycarbonylation d'acide penténoïque,caractérisé en ce que la réaction est effectuée en présence d'une quantité de diacides carboxyliques ramifiés ayant 6 atomes de carbone inférieure ou égale à 200 grammes par kilogramme de mélange réactionnel.

LandOfFree

Say what you really think

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

Rating

Pentenoic acid hydroxycarbonylation method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pentenoic acid hydroxycarbonylation method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pentenoic acid hydroxycarbonylation method will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1982576

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