Ruthenium-phosphine complex and intermediate for producing the s

Details Ruthenium-phosphine complex and intermediate for producing the s Ruthenium-phosphine complex and intermediate for producing the s

1991-08-01

1993-03-30

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

556 21, C07F 1500

Patent

active

051985624

ABSTRACT:
A ruthenium-phosphine complex represented by formula (I): ##STR1## wherein R.sup.2 -BINAP represents a teritary phosphine compound represented by formula (II): ##STR2## wherein R.sup.2 represents a hydrogen atom, a methyl group, a methoxy group, or a t-butyl group; X represents a halogen atom; and R and R.sup.1, which may be the same or different, each represent a phenyl group or a substituted phenyl group, and a ruthenium-phosphine complex represented by formula (III): ##STR3## wherein R and R.sup.1 are as defined above; and dma represents N,N-dimethylacetamide, which is an intermediate for synthesizing the ruthenium-phosphine complex of formula (I), are disclosed. The complex of formula (I) is useful as a catalyst for general syntheses with its ligand being an optically inactive compound or for asymmetric syntheses with its ligand being an optically active compound and, also, can be prepared at a low cost.

REFERENCES:
patent: 4994590 (1991-02-01), Takaya et al.

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