Collect. Czech. Chem. Commun. 1982, 47, 809-813
https://doi.org/10.1135/cccc19820809

Absolute configuration of (R)-(-)-2-allyl-2-ethyl-3-methoxycarbonylpropionic acid

Josef Hájíček and Jan Trojánek

Research Institute for Pharmacy and Biochemistry, 194 04 Prague 9

Abstract

The absolute configuration pf (R)-(-)-2-allyl-2-ethyl-3-methoxycarbonylpropionic acid (I) was determined on the basis of the conversion of I to dimethyl (S)-(-)-2-ethyl-2-methylsuccinate (X) and (R)-(+)-4-ethyl-4-propyl-4,5-dihydro-6H-canthin-6-one (XIV).