The stereochemistry of consabatine, which was isolated from the roots of Convolvulus sabatius Viv. as a novel natural compound, has now been determined by the synthesis of its Mosher esters. Consabatine was found to be 1'R-configurated.
Keywords: 3α-Tropanol ester; Consabatine; Convolvulaceae; Convolvulus sabatius; Mosher esters.