α,α′-Bis(trifluoromethyl)-9,10-anthracenedimethanol: enantioselective synthesis and bidentate complexes with benzenedimethanols
作者:Carla Estivill、Petko M Ivanov、Marta Pomares、Marta Sánchez-Arı́s、Albert Virgili
DOI:10.1016/j.tetasy.2004.03.019
日期:2004.5
alpha,alpha'-Bis(trifluoromethyl)-9,10-anthracenedimethanol was prepared by a one pot stereoselective doable reduction in good yield and excellent enantiomeric excess. We examined the association with ortho- and meta-benzenedimethanol showing bidentate complexes stable enough to be studied by low temperature NMR. Molecular modeling helped us to propose an association complex. (C) 2004 Elsevier Ltd. All rights reserved.
Synthesis and structural study of the enantiomers of α,α′-bis(trifluoromethyl)-10,10′-(9,9′-bianthryl)dimethanol as a chiral solvating agent
We describe the synthesis, the structure, and the behavior as a chiralsolvatingagent of the enantiomers of α,α′-bis(trifluoromethyl)-10,10′-(9,9′-biantryl)dimethanol. The thermodynamics of several associations are presented. We conclude that the association needs the approximation of the aromatic systems and that the geometry of complexation is the main factor that defines the enantiodiscrimination