Process for the preparation of platinum acetylacetonato...

Details Process for the preparation of platinum acetylacetonato... Process for the preparation of platinum acetylacetonato...

2008-01-25

2008-10-28

Gonzalez, P. Nazario (Department: 1621)

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

Organic compounds

Heavy metal containing

Reexamination Certificate

active

07442820

ABSTRACT:
Preparation of halogenide-free Platinum(II)acetylacetonate [Pt(acac)2] Platinum(II) hexafluoroacetylacetonate [Pt(hfac)2], Platinum(II) trifluoroacetylacetonate [Pt(tfac)2] or Platinum(II)-alkylsubstituted acetylacetonates by the reaction of a halogen free platinum (IV) oxo- or hydroxo-compound, such as PtO2.nH2O (n being an integer from 1 to 4) or H2Pt(OH)6or Na2Pt(OH)6or K2Pt(OH)6, with a reducing agent in aqueous solution in the presence of a stoichiometric or higher amount of acetylacetone (acac), potassium acetylacetoante (Kacac) sodium acetylacetonate (Naacac), hexafluoroacetylacetone (hfac), trifluoroacetylacetone (tfac) or alkyl substituted acetylacetones or their salts and an H+donor.

REFERENCES:
patent: 2008/0103322 (2008-05-01), Fehn
Guo et al., Chem. Mater., vol. 10, No. 2, pp. 531-538 (1998).
Wang et al., Inorg. Chem., vol. 40, No. 23, pp. 6000-6003 (2001).

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