PALLADIUM-CATALYZED COUPLING REACTIONS OF 2,3-DIHYDROFURAN USING HIGH-PRESSURE CONDITIONS

被引:33
作者
HILLERS, S [1 ]
REISER, O [1 ]
机构
[1] UNIV GOTTINGEN,INST ORGAN CHEM,TAMMANNSTR 2,D-37077 GOTTINGEN,GERMANY
关键词
D O I
10.1016/S0040-4039(00)73969-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
High pressure dramatically influences the palladium catalyzed reaction of 2,3-dihydrofuran (1) and aryl compounds (2-X). An increased activity of the catalyst even in the absence of phosphine ligands has been observed. Nevertheless, using a large excess of ligands does not inhibit the catalyst, however, the regioselectivity of the products strongly depends on the amount of ligand employed. Last but not least, it was demonstrated for the first time that high pressure can act favorably in enantioselective palladium catalysis compared to normal pressure.
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收藏
页码:5265 / 5268
页数:4
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