C-2-SYMMETRIC 1,2-DIAMINE/COPPER(II) TRIFLUOROMETHANESULFONATE COMPLEXES AS CHIRAL CATALYSTS - ASYMMETRIC CYCLOPROPANATIONS OF STYRENE WITH DIAZO ESTERS

被引:53
作者
KANEMASA, S [1 ]
HAMURA, S [1 ]
HARADA, E [1 ]
YAMAMOTO, H [1 ]
机构
[1] KYUSHU UNIV,INTERDISCIPLINARY GRAD SCH ENGN SCI,DEPT MOLEC SCI & TECHNOL,KASUGA,FUKUOKA 816,JAPAN
关键词
D O I
10.1016/S0040-4039(00)78403-6
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Styrene and diazo esters react in the presence of copper(II) trifluoromethanesulfonate (1 mol%) and (1S,2S)-N,N'-di(mesitylmethyl)-1,2-diphenyl-1,2-ethanediamine (2 - 3 mol%) to give 2-phenyl-1-cyclopropanecarboxylates in good to excellent optical yields. This reaction has been applied to the synthesis of chrythanthemic acid.
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页码:7985 / 7988
页数:4
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