Js. Clark et al., STEREOSELECTIVE SYNTHESIS OF THE BICYCLIC CORE STRUCTURE OF THE HIGHLY OXIDIZED SESQUITERPENE NEOLIACINIC ACID, Tetrahedron letters, 37(31), 1996, pp. 5605-5608
The bicyclic core (3) of the sesquiterpene neoliacinic acid (1) has be
en constructed in a stereoselective manner by [2,3]-sigmatropic ring-e
xpansion of an oxonium ylide generated catalytically from the alpha-di
azo ketone 4. Copyright (C) 1996 Elsevier Science Ltd