Catalytic asymmetric oxonium ylide-[2,3] sigmatropic rearrangement with diazocarbonyl compounds: First use of C-2-symmetry in Rh(II) carboxylates.

被引:58
作者
Pierson, N [1 ]
FernandezGarcia, C [1 ]
McKervey, MA [1 ]
机构
[1] QUEENS UNIV BELFAST,SCH CHEM,BELFAST BT9 5AG,ANTRIM,NORTH IRELAND
关键词
D O I
10.1016/S0040-4039(97)01003-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Several new chiral rhodium(II) catalysts have been synthesised for evaluation as catalysts in asymmetric oxonium ylide-[2,3] sigmatropic rearrangement of diazocarbonyl substrates; a catalyst derived from (S)-tert-leucine afforded a chiral benzofuranone derivative with an ee of 60 %. (C) 1997 Elsevier Science Ltd.
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页码:4705 / 4708
页数:4
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