[EN] PROCESS FOR THE ENANTIOSELECTIVE PRODUCTION OF AN AMINO ACID DERIVATIVE COMPRISING AT LEAST ONE NITROGENOUS HETEROCYCLE [FR] PROCEDE DE PRODUCTION DE DERIVE D'ACIDE AMINE DE MANIERE ENANTIOSELECTIVE COMPRENANT AU MOINS UN HETEROCYCLE AZOTE
Cyclic p-amino acids, homoproline, homopipecolic acid and 3-carboxy-methylmorpholine were obtained in high enantiomeric excesses by transition metal-catalyzed asymmetrichydrogenation of cyclic β-acylamino-alkenoates. These compounds were synthesized by a thio-Wittig reaction on N-protected thiolactames.
通过过渡金属催化的环状β-酰基氨基-烯酸酯的不对称氢化,以高对映体过量获得环状p-氨基酸、高脯氨酸、高哌啶酸和3-羧基-甲基吗啉。这些化合物是通过在 N 保护的硫代内酰胺上的硫代-维蒂希反应合成的。
[EN] PROCESS FOR THE ENANTIOSELECTIVE PRODUCTION OF AN AMINO ACID DERIVATIVE COMPRISING AT LEAST ONE NITROGENOUS HETEROCYCLE<br/>[FR] PROCEDE DE PRODUCTION DE DERIVE D'ACIDE AMINE DE MANIERE ENANTIOSELECTIVE COMPRENANT AU MOINS UN HETEROCYCLE AZOTE
申请人:SOLVAY
公开号:WO2004087661A1
公开(公告)日:2004-10-14
Process for the enantioselective production of an amino acid derivative comprising at least one nitrogenous heterocycle, said heterocycle being substituted with at least one side chain comprising a functional group of carboxyl type, such as a carboxyl group, an ester group or an amide group, which process comprises at least one step in which a prochiral unsaturated amino acid derivative of formula (I) is subjected to hydrogenation in the presence of an enantiopure hydrogenation catalyst.