New approach to aphidicolin and total asymmetric synthesis of unnatural (11R)-(-)-8-epi-11-hydroxyaphidicolin by tandem transannular Diels-Alder/aldol reactions

被引:24
作者
Bélanger, G [1 ]
Deslongchamps, P [1 ]
机构
[1] CHU Sherbrooke, Inst Pharmacol, Dept Chim, Lab Synthese Organ, Sherbrooke, PQ J1H 5N4, Canada
关键词
D O I
10.1021/jo0007635
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The 8-epiaphidicolane skeleton (3) was formed in one key reaction by highly diastereoselective tandem transannular Diels-Alder (TADA)-aldol reactions from the trans-trans-cis trienic macrocycle (4). The unnatural derivative (11R)-(-)-8-epi-11-hydroxyaphidicolin (2) was thus constructed, and an original solution to the C16 functionalization problem of many aphidicolin (1) syntheses is presented.
引用
收藏
页码:7070 / 7074
页数:5
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