Palladium(0)-dibenzylidene acetone complexes

Details Palladium(0)-dibenzylidene acetone complexes Palladium(0)-dibenzylidene acetone complexes

2011-08-16

2011-08-16

Gonzalez, Porfirio Nazario (Department: 1621)

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

Organic compounds

Heavy metal containing

C436S076000

Reexamination Certificate

active

07999126

ABSTRACT:
Palladium(0)-dibenzylidene acetone complexes Pdx(dba)y, with y/x being from 1.5 to 3, are provided according to the invention at a purity of at least 99.5 wt. %. The use of said Pdx(dba)ycomplexes according to the invention is for determining their stoichiometry by means of elemental analysis. In the method for the production of Pdx(dba)ycomplexes from a Pd-containing educt and dibenzylidene acetone (dba) in alcohol, according to the invention a solution of the dba in alcohol pre-heated to more than 40° C. is provided first and then the Pd-containing educt is added to the pre-heated solution upon which the complexes are precipitated by a base.

REFERENCES:
patent: 4347232 (1982-08-01), Michaelson
patent: 2004 058784 (2004-07-01), None
Mattison et al., Journal of Polymer Science: Part A, vol. 1, No. 11, pp. 3449-3458 (1963).
Rettig et al; “Tetrakis(tert-Butylisocyanided)di-μ-chloro-dipalladium(I)”; Innorganic Synthesis, vol. 28, 1990, pp. 110-113[cited in application, p. 111, paragraph 1].
Ukai, et al, “Chemistry of dibenzylideneacetone-palladium(0) complexes”; Journal of Organometallic Chemistry, vol. 65, (1974), pp. 253-266 [cited in application].

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