C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 15/00 (2006.01) A61K 31/28 (2006.01) A61P 35/00 (2006.01)
Patent
CA 2565096
The invention relates to a method for the preparation of trans- or cis-diammoniumdichlorodihydroxoplatinum(IV) and derivatives thereof. What is suggested is reacting trans-or cis-diammoniumdichloroplatinum(II) with a solution com-prising >30% peroxide at temperatures below 30°C and dis-solving the product thus obtained in a mineral acid and subsequently precipitating with an alkaline solution.
L'invention concerne un procédé pour produire du trans- ou cis-diammoniumdichlorodihydroxoplatine (IV) et leurs dérivés. Ce procédé consiste à faire réagir du trans- ou cis-diammoniumdichloroplatine (II) avec une solution contenant plus de 30 % de peroxyde, à des températures inférieures à 30 ·C; à dissoudre le produit ainsi obtenu avec un acide minéral, et enfin à provoquer la précipitation dudit produit avec une solution alcaline.
Salama Zoser B.
Deeth Williams Wall Llp
Riemser Arzneimittel Ag
Salama Zoser B.
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