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. ... Conversion of α-hydroxy esters via triflates into compounds 3 proceeds in chemical yields ranging from 78 to 89% and with optical purities ranging from 76 to 100%. ... These compounds have been prepared previously, see J. Prakt. Chem., 317 (1975), p. 252 We concluded that the ...