D. Crich et Jz. Crich, CONCISE SYNTHESIS OF A TAXOL A-RING SYNTHON - FORMATION OF A 1,2-ALKYLIDENE LINKAGE VIA ACETYLENE CHEMISTRY, Tetrahedron letters, 35(16), 1994, pp. 2469-2472
A taxol A ring-synthon is obtained by oxidative cyclization of homoger
anic acid with mercuric triflate followed by oxidative demercuration;
the Meyer-Schuster rearrangement is then employed to form the highly s
terically hindered taxol 1,2-bond.