Versatile Synthesis of the C3−C14 Domain of 7-Deoxyokadaic Acid
作者:Timothy M. Trygstad、Yucheng Pang、Craig J. Forsyth
DOI:10.1021/jo8017457
日期:2009.1.16
Described is a flexible synthesis of the C3−C14 domain of 7-deoxyokadaic acid that is amenable to facile structural diversification. Treatment of ynone 10 under acidic conditions led to net bis-conjugate addition of the latent diol to give the thermodynamically favored spiroketal 27, a versatile intermediate, en route to 7-deoxyokadaic acid and analogs.