Process for the preparation of l-.alpha.-aminoacids

Details Process for the preparation of l-.alpha.-aminoacids Process for the preparation of l-.alpha.-aminoacids

C - Chemistry, Metallurgy

12

P

195/134, 260/516

C12P 13/04 (2006.01) C12P 17/10 (2006.01) C12P 41/00 (2006.01)

Patent

CA 1239607

"PROCESS FOR THE PREPARATION OF L-.alpha.-AMINOACIDS" Abstract of the Disclosure Process for the preparation of L-.alpha.-aminoacids Image (I) wherein R is an aromatic, substituted aromatic, aliphat ic or substituted aliphatic group, in which process: a) An N-carbamyl-.alpha.-aminoacid compound of formula: Image (II) wherein R has the above-specified meaning and in the form of D-N-carbamyl-.alpha.-aminoacid and L-N-carbamyl-.alpha.- aminoacid id contacted, in a liquid reaction mixture, and at a pH of form 6,0 to 7,0 and at a temperature of from 20°C to 40°C, with an enzyme to give a com- pound formula Image (III) wherein R has the above-specified meaning, in the 2. of D-hydantoin, and a compound of formula Image (IV) where R has the above-indicated meaning, in the form of L-N-carbamyl-.alpha.-aminoacid; b) D-hydantoin is separated from the reaction mixture, and is hydrolyzed and racemized to D-N-carbamyl-.alpha.-a minoacid, and L-N-carbamyl-.alpha.-aminoacid; c) L-N-carbamyl-.alpha.-aminoacid is trasformed into corres- ponding L-.alpha.-aminoacid; d) L-.alpha.-aminoacid is separated and recovered from the reaction mixture.

473404

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1216272