Process for the preparation of optically active aliphatic...

Details Process for the preparation of optically active aliphatic... Process for the preparation of optically active aliphatic...

C - Chemistry, Metallurgy

07

C

C07C 67/31 (2006.01) C07C 69/675 (2006.01) C07C 69/73 (2006.01) C07C 227/16 (2006.01) C07C 229/22 (2006.01) C07C 231/14 (2006.01) C07C 235/06 (2006.01) C07C 323/50 (2006.01) C07D 295/185 (2006.01)

Patent

CA 2051466

FK/6-18420/A Process for the preparation of optically active aliphatic hydroxycarboxylic acids Abstract of the Disclosure The asymmetric hydrogenation of aliphatic .alpha.-keto esters in the presence of rhodium catalysts which contain as chiral ligand a diphosphine of formula IV (R3)2P-Q-P(R3)2 (IV) wherein R3 is phenyl, C1-C6alkylphenyl or C1-C6alkoxyphenyl, and Q is [2,2,1]-bicyloheptan-1,2-ylene or [2,2,1]-bicyclohept-4,5-en-1,2-ylene, gives the corresponding (R)- or (S)-.alpha.-hydroxycarboxylic acid esters in high rates of chemical conversion and in high enantiomer excesses.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1696797