C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
167/120, 260/250
C07F 1/12 (2006.01) A61K 31/28 (2006.01) A61K 31/555 (2006.01)
Patent
CA 1255673
ABSTRACT This invention relates to gold (III) complexes comprised of a nitrogen containing ligand and chloride or bromide. This invention also relates to pharmaceutical compositions which contain one or more of said complexes as an active ingredient and to a method for the treatment of tumors via the adminis- tration of same. Aminegold complexes are disclosed in the literature but none of these have proven to be clinically useful in the treatment of tumors; therefore, this invention constitutes an advance in the art because it adds to the known family of anti-tumor agents a new and rationally developed class of aminegold(III) complexes. The discovery that Cisplatin is effective against human cancers aroused interest initially in precious metal complexes as a source of anti-tumor agents. Although many new platinum compounds have been shown to be useful in the treatment of tumors and although some gold complexes are used in the treat- ment of arthritis, (D.H. Brown, et al; Chemical Society Reviews, Vol. 9: page 217-240 (1980)) there is no evidence in the literature to suggest that trihalo(amine)gold(III) complexes can be used as anti-tumor agents. Accordingly, there is a need for gold complexes which exhibit anti-tumor activity and which can be administered orally or parenterally.
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Amundsen Alan R.
Stern Eric W.
Engelhard Corporation
Macrae & Co.
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