Process for producing n-protected d-proline derivatives 8

Details Process for producing n-protected d-proline derivatives 8 Process for producing n-protected d-proline derivatives 8

C - Chemistry, Metallurgy

12

N

C12N 9/80 (2006.01) C12N 1/20 (2006.01) C12P 13/06 (2006.01) C12P 13/24 (2006.01) C12P 41/00 (2006.01)

Patent

CA 2245543

The invention concerns microorganisms which can utilize an N-protected proline derivative of general formula (I) in the form of the racemate or one of its optically active isomers, R1 meaning -(CH2)2-COOH or, optionally substituted in each case, C1-C4 alkoxy, aryl or aryloxy, and R2 meaning hydrogen or hydroxy, as the only nitrogen, only carbon or only carbon and nitrogen source. These microorganisms can be used in a process for producing N-protected cyclic or aliphatic D-amino acid derivatives of general formulae (II) and (V), A together with -N- and -CH- and R3, R4 and R5 having the given meanings.

L'invention concerne des micro-organismes pouvant utiliser comme unique source d'azote, comme unique source de carbone ou comme unique source de carbone et d'azote, un dérivé de proline protégé en N de la formule (I) sous forme du racémate ou d'un de ses isomères à activité optique, R?1¿ désigne -(CH¿2?)¿2?-COOH, alcoxy C¿1?-C¿4?, aryle ou aryloxy éventuellement substitués dans chacun des cas, et R?2¿ désigne hydrogène ou hydroxy. Ces micro-organismes peuvent s'utiliser dans le cadre d'un procédé servant à préparer des dérivés de D-aminoacide cycliques ou aliphatiques des formules générales (II) et (V) où A conjointement avec -N- et -CH- et R?3¿, R?4¿ et R?5¿ ont la notation mentionnée.

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