Preparation of palladium catalysts

Details Preparation of palladium catalysts Preparation of palladium catalysts

1992-04-09

1993-08-03

Dees, Jose G.

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

Organic compounds

Heavy metal containing

556136, C07F 1500

Patent

active

052330648

ABSTRACT:
Palladium complexes having the general formula Pd(R'CO.sub.2).sub.2 X where R' is C.sub.1 to C.sub.10 alkyl or C.sub.6 to C.sub.10 aryl and X is a chelating ligand of formula (R.sup.2).sub.2 PYP(R.sup.2).sub.2 where the R.sup.2 groups are independently selected from C.sub.1 to C.sub.4 alkyl, phenyl or alkoxy substituted phenyl, and Y is --(CH.sub.2).sub.n -- where n=2 to 4 are provided. The complexes may be prepared by reacting the compounds Pd(R'CO.sub.2).sub.2 and (R.sup.2).sub.2 PYP(R.sup.2).sub.2 together in an aromatic solvent at a temperature of less than 60.degree. C. in amounts such that the molar ratio of the two compounds is in the range 1.2:1 to 1:1.2.

REFERENCES:
Knifton, Journal of Catalysis, vol. 60, pp. 27-40 (1979).

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