SYNTHESIS OF A HIGHLY FUNCTIONALIZED AB TAXANE RING-SYSTEM - FORMATION OF THE 8-MEMBERED RING BY AN EFFICIENT 8-EXO-TET ALKYLATION OF AN ALPHA-SULFONYL ANION
D. Crich et S. Natarajan, SYNTHESIS OF A HIGHLY FUNCTIONALIZED AB TAXANE RING-SYSTEM - FORMATION OF THE 8-MEMBERED RING BY AN EFFICIENT 8-EXO-TET ALKYLATION OF AN ALPHA-SULFONYL ANION, Journal of the Chemical Society, Chemical Communications, (1), 1995, pp. 85-86
An efficient, scalable route to a Taxol A ring synthon has been develo
ped; its successful elaboration to a highly functionalized AB system b
y means of a novel nucleophilic ring closure is described.