Rhodium-catalyzed asymmetric ring opening of oxabicyclic alkenes with phenols

被引:100
作者
Lautens, M [1 ]
Fagnou, K [1 ]
Taylor, M [1 ]
机构
[1] Univ Toronto, Dept Chem, Lash Miller Labs, Toronto, ON M5H 3H6, Canada
关键词
D O I
10.1021/ol005729r
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] The scope of the rhodium-catalyzed asymmetric ring opening reaction of oxabenzonorbornadiene has been extended to include phenolic nucleophiles. The enanatioenriched, functionalized dihydronaphthalene products are highly valuable intermediates for which no other practical methods of preparation are available. A new catalyst system has been developed which allows the use of less reactive o-halophenols. The utility of these products has been demonstrated through their application in the synthesis of benzofuran polycyclic materials.
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页码:1677 / 1679
页数:3
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