Catalyst-controlled inverse-electron-demand hetero-Diels-Alder reactions in the enantio- and diastereloselective synthesis of iridoid natural products

被引:61
作者
Chavez, DE [1 ]
Jacobsen, EN [1 ]
机构
[1] Harvard Univ, Dept Chem & Biol Chem, Cambridge, MA 02138 USA
关键词
D O I
10.1021/ol034883l
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHIC] Iridoid natural products 1-4 are accessed stereoselectively by means of tridentate (Schiff base)Cr(III)-catalyzed hetero-Diels-Alder reactions between ethyl vinyl ether and enantioenriched 5-methyl-1-cyclopentene-1-carboxaldehyde. An efficient route to the aldehyde from citronellal is afforded by the ring-closing metathesis reaction.
引用
收藏
页码:2563 / 2565
页数:3
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