C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 15/00 (2006.01)
Patent
CA 2492254
A process for the preparation of diaminocyclohexane-platinum(II)- dicarboxylates has the follow- ing steps: B Conversion of K2PtX2 with 1,2-diaminocyclohexane (DACH) to (see formula 2) C Conversion of (2) with too little quantity of silver salt Ag n A to (see formula 3) and removal of the resulting AgX precipitate. (see formula 1) D Conversion of (3) with a dicarboxylate to Isolation of the product (1), whereby R1 and R2 together form a dicarboxylato group, X stands for Cl or I, A for a 1-2-valent anion of a mineral acid and n stands for 1 or 2.
L'invention concerne un procédé de préparation de dicarboxylates de diaminocyclohexane-platine(II) qui comporte les étapes suivantes : B Conversion de K2PtX2 avec 1,2-diaminocyclohexane (DACH) en (voir la formule 2); C Conversion de (2) avec une faible quantité de sel d'argent Ag n A en (voir la formule 3) et retrait du précipité AgX résultant (voir la formule 1); D Conversion de (3) avec un dicarboxylate pour l'isolation du produit (1), dans lequel R1 et R2 forment ensemble un groupe dicarboxylique, X désigne Cl ou I, A désigne un anion 1-2-valent d'un acide minéral et n désigne 1 ou 2.
Pepels Andreas
Rauter Holger
Schnebeck Ralf-Dieter
Wissmann Friedrich
Macrae & Co.
W. C. Heraeus Gmbh
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