Process for the enzymatic resolution of...

Details Process for the enzymatic resolution of... Process for the enzymatic resolution of...

C - Chemistry, Metallurgy

12

P

195/65, 195/86,

C12P 41/00 (2006.01) C07F 9/30 (2006.01) C07F 9/32 (2006.01) C12P 13/04 (2006.01)

Patent

CA 2009295

Process for the enzymatic resolution of 2 -amino-4-methyl- phosphinobutyric acid derivatives. L-PTC (L-phosphinothricin, L-2-amino-4-methylphosphinobutyric acid) is the active herbicidal component of D,L-PTC and can be obtained according to the invention when D,L-PTC derivatives which are N-acylated and esterified on the phosphinic acid group as well as optionally esterified or amidated on the carboxylic group, are treated with a hydrolytically active enzyme in an aqueous or aqueous-organic medium, in which process the L-PTC derivatives are selectively hydrolyzed on the N-acyl group or the modified carboxyl group, the resulting product mixture is resolved, and the desired L-PTC derivative is hydrolyzed to give the L-PTC and isolated by customary methods.

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