Preparation of platinum complexes

Details Preparation of platinum complexes Preparation of platinum complexes

1979-08-16

1981-06-16

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Plural metal or metal and ammonium containing

424131, C01G 5500

Patent

active

042737559

ABSTRACT:
A process is provided for preparing cis-Pt(NH.sub.3).sub.2 Cl.sub.2 and intermediates. As a step in the process the intermediate cis-Pt(NH.sub.3).sub.2 I.sub.2 is prepared from K.sub.2 PtI.sub.4 by adding NH.sub.4 OH under controlled conditions of temperature and pH. The cis-Pt(NH.sub.3).sub.2 Cl.sub.2 is provided in high yield and purity.

REFERENCES:
patent: 4053587 (1977-10-01), Davidson
patent: 4079121 (1978-03-01), Kerr
Gildengershel, Zhurnal Neorganicheskoi Khimii, vol. 1, (1956) pp. 1745-1749.
King, "Researches on Amines Part IX", Journal of the Chemical Society (1938) Pt. 2, pp. 1338-1346.
Dhara, S. C. "A Rapid Method for the Synthesis of cis-[Pt(NH.sub.3).sub.2 Cl.sub.2 ]" Indian J. Chem. 8, 193-194 (1970).
Kauffman, G. et al. "cis- And trans-Dichlorodiammine platinum (II)" Inorganic Syntheses, VII, pp. 239-245 (1963).
Keller, R. "Potassium Tetrachloroplatinate (II)", Inorganic Syntheses II, pp. 247-253 (1946).
Speer, R. "Coordination Complexes of Platinum as Antitumor Agents" Cancer Chemotherapy Reports, Part 1, 59 (3) pp. 629, 630 (1975).

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