Chiral Synthesis of Polyketide-Derived Natural Products. 33. Stereoselective Total Synthesis of 16-Membered Macrolide Aglycons, Leuconolides and Maridonolides. Macrocyclic Stereocontrol Based on Conformational Analysis of the 16-Membered Macrolide Ring.
Chiral Synthesis of Polyketide-Derived Natural Products. 33. Stereoselective Total Synthesis of 16-Membered Macrolide Aglycons, Leuconolides and Maridonolides. Macrocyclic Stereocontrol Based on Conformational Analysis of the 16-Membered Macrolide Ring.
Two distinct conformational isomers of the 16-membered epoxyenone, the key synthetic intermediate of maridonolides. Conformational analysis and completely stereoselective reduction of the C9 carbonyl group1)
作者:Tomohiro Matsushima、Noriyuki Nakajima、Osamu Yonemitsu、Tadashi Hata
DOI:10.1016/s0040-4039(00)93447-6
日期:1991.9
The key synthetic intermediate of maridonolides (2) has two easily detectable conformational isomers in solution. The conformationalanalysis of the 16-membered epoxyenone ring and the effect of conformation on reactivity in the reduction of the C9 carbony group are described.