Aldol Reactions between L-Erythrulose Derivatives and Chiral α-Amino and α-Fluoro Aldehydes: Competition between Felkin-Anh and Cornforth Transition States
作者:Santiago Díaz-Oltra、Miguel Carda、Juan Murga、Eva Falomir、J. Alberto Marco
DOI:10.1002/chem.200800956
日期:2008.10.20
Both matched and mismatched diastereoselection have been observed in aldolreactions of a boronenolate of a protected L-erythrulose derivative with several chiral alpha-fluoro and alpha-amino aldehydes. Strict adherence to the Felkin-Anh model for the respective transitionstructures does not account satisfactorily for all the observed results, as previously observed in the case of alpha-oxygenated