Studies on taxane synthesis. II. Syntheses of 3,8,11,11-tetramethyl-4-oxo- and 4,8,11,11-tetramethyl-3-oxo-bicyclo[5.3.1]undec-8-enes corresponding to the A- and B-rings of taxane diterpenes.
Studies on taxane synthesis. II. Syntheses of 3,8,11,11-tetramethyl-4-oxo- and 4,8,11,11-tetramethyl-3-oxo-bicyclo[5.3.1]undec-8-enes corresponding to the A- and B-rings of taxane diterpenes.
A synthetic approach to taxane diterpenes. A synthesis of the bicyclo[5.3.1]undecenone ring system
作者:Yasuo Ohtsuka、Takeshi Oishi
DOI:10.1016/s0040-4039(00)83977-5
日期:1986.1
Bicyclo[5.3.1]undecenone 2 corresponding to A and B rings in taxane diterpenes was synthesized. The eight-membered ring was constructed by a base-induced intramolecular cyclization of twelve-membered lactam sulfoxides 15.