G. Oddon et D. Uguen, TOWARD A TOTAL SYNTHESIS OF AN AGLYCONE OF SPIRAMYCINE - 2 COMPLEMENTARY ACCESSES TO A C-5 C-9 FRAGMENT/, Tetrahedron letters, 38(25), 1997, pp. 4411-4414
Both homochiral acetates 4d and 5f, which were obtained by lipase-cata
lysed acetylation of either the tetraol 4a or the diol 5e, respectivel
y have been convened stereoconvergently into a C-5/C-9 fragment of the
title antibiotic. (C) 1997 Published by Elsevier Science Ltd.