Resolution of trans-2-(alkoxycarbonylethyl)-lactams useful...

Details Resolution of trans-2-(alkoxycarbonylethyl)-lactams useful... Resolution of trans-2-(alkoxycarbonylethyl)-lactams useful...

C - Chemistry, Metallurgy

12

P

C12P 41/00 (2006.01) C07D 205/08 (2006.01) C12P 17/10 (2006.01)

Patent

CA 2345750

A process for the microbiological or enzymatic hydrolytic resolution of racemic traps-2-(alkoxycarbonylethyl)-lactams of formula (I) wherein R is C1-C7 alkyl, 2,2,2-trifluoroethyl or methoxyethoxyethyl and RL is hydrogen or a protecting group is disclosed, whereby an optically enriched compound of formula (Ib) or (IIa) is obtained.

L'invention concerne un procédé de fractionnement hydrolytique microbiologique or enzymatique de trans-2-(alkoxycarbonyléthyl) lactames représentés par la formule (I) dans laquelle R est l'alkyle C1-C7, 2,2,2,trifluoroéthyle ou méthoxyéthoxyéthyle, et R<1> est l'hydrogène ou un groupe de protection. Ce procédé permet d'obtenir un composé optiquement enrichi représenté par la formule (Ib) or (IIa).

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