Jjw. Duan et Y. Kishi, SYNTHETIC STUDIES ON HALICHONDRINS - A NEW PRACTICAL SYNTHESIS OF THEC.1-C.12 SEGMENT, Tetrahedron letters, 34(47), 1993, pp. 7541-7544
A new practical synthesis of the C.1-C.12 halichondrin segment was ach
ieved from L-mannonic gamma-lactone (5), using osmylation, C-allylatio
n and Michael reaction as key steps.