METHANESULFENYL TRIFLATE PROMOTED IMINOSULFENYLATION OF AN ALLYLIC TRICHLOROACETIMIDATE - AN EFFICIENT AND STEREOSPECIFIC TOTAL SYNTHESIS OF (-MANNOSTATIN-A())
C. Li et Pl. Fuchs, METHANESULFENYL TRIFLATE PROMOTED IMINOSULFENYLATION OF AN ALLYLIC TRICHLOROACETIMIDATE - AN EFFICIENT AND STEREOSPECIFIC TOTAL SYNTHESIS OF (-MANNOSTATIN-A()), Tetrahedron letters, 35(29), 1994, pp. 5121-5124
The stereospecific synthesis of glycoprotein processing enzyme inhibit
or (+) mannostatin A 1 was achieved in ten steps from D-ribonolactone
9 (similar to 39% overall yield). The strategy featured methanesulfeny
l triflate mediated intramolecular cyclization of allylic N-sufenylimi
date 12.