e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Synthetic Communications
Aminoacids as Chiral Synthons1: Preparation of Enantiomerically Pure (R) and (S) Malic Acids and its Application to the Synthesis of 3-Hydroxy 4-Butanolide
Page 1. SYNTHETIC COMMUNICATIONS, 16(2), 183-190 (1986) ... However the (S) isomer only is easily available8 ; the (R) isomer is more difficult to obtain and is generally prepared by a synthetic way . 2 9 ... Thus we used the intermediate 16 ...