Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The regio and enantioselectivities of the transesterification of racemic dimethyl esters by supported enzymes in absence of solvent are studied: preparations of chiral succinates and N-acetyl aminoesters are reported. ... Reactions without solvent. Supports: florisil, alumina, silicagel. Yield: ...