ASYMMETRIC DIELS-ALDER REACTIONS WITH 5-MENTHYLOXY-2(5H)-FURANONE

被引:65
作者
DEJONG, JC [1 ]
VANBOLHUIS, F [1 ]
FERINGA, BL [1 ]
机构
[1] UNIV GRONINGEN,DEPT ORGAN CHEM,NIJENBORG 16,9747 AG GRONINGEN,NETHERLANDS
关键词
D O I
10.1016/S0957-4166(00)80024-5
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A new class of chiral dienophiles, 5-alkoxy-2(5H)-furanones, has been developed. Both enantiomers of 5-menthyloxy-2(5H)-furanone are readily available in enantiomerically pure form, starting from furfural and d- or l-menthol. Excellent diastereoselectivities (d.e. greater-than-or-equal-to 99%) are obtained in thermal Diels-Alder reactions with several cyclic and acyclic dienes. The use of silyl dienol ethers has resulted in new routes to enantiomerically pure cyclohexanones in a highly regioselective manner.
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页码:1247 / 1262
页数:16
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