NOVEL, GENERAL-SYNTHESIS OF THE CHIRAL CATALYSTS DIPHOSPHINE-RUTHENIUM(II) DIALLYL COMPLEXES AND A NEW PRACTICAL IN-SITU PREPARATION OF CHIRAL RUTHENIUM(II) CATALYSTS

被引:140
作者
GENET, JP [1 ]
PINEL, C [1 ]
RATOVELOMANANAVIDAL, V [1 ]
MALLART, S [1 ]
PFISTER, X [1 ]
DEANDRADE, MCC [1 ]
LAFFITTE, JA [1 ]
机构
[1] ELF AQUITAINE,GRL,DEPT CHIM FINE & BIOCONVERS,F-64170 LACQ,FRANCE
关键词
D O I
10.1016/0957-4166(94)80029-4
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A general and new synthesis of hexacoordinate chiral 1-[2-methylallyl]Ru-II 2 complexes is presented. This synthesis uses the very accessible CODRu(2-methylallyl)(2) complex as starting material. These complexes (P*P)Ru(eta(3)-(CH2)(2)CCH3)(2) (e.g. P*P=DIOP, CBD, DEGUPHOS, BINAP, BIPHEMP, CHIRAPHOS, PROPHOS, DIMPC, BPPM, BDPP, DIPAMP, DIPAMPSi, beta-PO-OP) have been characterized spectroscopically. X-Ray structures were obtained for (S,S)-DIOP and (S,S)-CHIRAPHOS. They are suitable for the preparation of chiral dihalide ruthenium (II) catalysts. In addition, we have found that it was possible to prepare these same catalysts directly in situ from (COD)Ru(eta(3)-(CH2)(2)CCH3)(2) by adding 1-1.3 equiv. of the appropriate chiral ligand in the presence of HX in acetone at room temperature.
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页码:665 / 674
页数:10
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