Abstract: New pharmaceutical compositions and pharmaceutical compositions comprising metal complexes have activity against diseases caused by or related to overproduction or localised high concentration of nitric oxide in the body.

Abstract: Bifunctional aromatic compounds which are capable of linking metal ions to biologically useful molecules. The bifunctional compounds are characterized as having a hydrazine or hydrazide group and a protein reactive group. The hydrazine or hydrazide group may be protected as a lower alkyl hydrazone. Conjugates of the bifunctional compounds with macromolecules are also described and labelled macromolecules comprised of the conjugates and metal ions are provided. Additionally, a method is provided for forming a labelled macromolecule by reacting a conjugate with a metal species. The compounds and method of this invention are particularly useful in the fields of biology and medicine for imaging and/or therapy.

Abstract: New pharmaceutical compositions and pharmaceutical compositions comprising metal complexes have activity against diseases caused by or related to overproduction or localized high concentration of nitric oxide in the body.

Abstract: Bifunctional aromatic compounds which are capable of linking metal ions to biologically useful molecules. The bifunctional compounds are characterized as having a hydrazine or hydrazide group and a protein reactive group. The hydrazine or hydrazide group may be protected as a lower alkyl hydrazone. Conjugates of the bifunctional compounds with macromolecules are also described and labelled macromolecules comprised of the conjugates and metal ions are provided. Additionally, a method is provided for forming a labelled macromolecule by reacting a conjugate with a metal species. The compounds and method of this invention are particularly useful in the fields of biology and medicine for imaging and/or therapy.

Abstract: A compound of formula I ##STR1## in which E is an alkenyl group or represents H.sub.2 in which case the compound is in acid addition salt form, J is selected from --CO--NH--, --CO--O--, --CO--S-- and --NH--CO--, T is an alkylene chain, or, if J is --CO--NH--, T is the residue of an amino acid moiety, Q is a hydrophilic or cleavable moiety, and Z is an amine- and/or thiol-reactive moiety. Conjugates formed by reacting such compound with a macromolecule, e.g. an immunoglobulin, and labelled macromolecules comprising a metal atom bound to such conjugate are also disclosed.

Abstract: Water soluble salt or acid forms of a transition metal phthalocyanine of formula ##STR1## where M is a transition metal, X is H, alkyl, alkoxy, halide or X's together form --C.sub.4 H.sub.4 --, each R is a ligand with a solubilizing group, and Q is N or --CY-- where Y is H, alkyl, alkoxy or halide, are surprisingly active in tests indicating photodynamic properties. Novel compounds, preparative methods and pharmaceutical compositions are included.

Abstract: Platinum complexes, having anti-tumor activity, which include at least one functional ketone group or aldehyde, optionally conjugated as a linkable hydrazone complex. The functional ketone and aldehyde groups and the functionalized hydrazone complexes are linkable to antibodies, proteins, peptides and compounds having free amine, hydrazine or hydrazide functionality. Such agents are useful as targeted site-specific or disease specific chemotherapeutic agents.

Abstract: Tungstoniobate compounds containing an ion of general formulaA.sub.x W.sub.y Nb.sub.a O.sub.b !.sup.p- Iwhere A=P, Si, Ge, x=0 or an integer from 1 to 10, y is an integer from 1 to 10, y is an integer from 1 to 40, a is an integer from 1 to 8, b is an integer from 15 to 150, and p is an integer dependent upon the nature and oxidation state of element A, have been found to be active against viruses including especially HIV and Herpes Simplex. Pharmaceutical compositions and methods of treatment are disclosed.

Abstract: Bifunctional aromatic compounds which are capable of linking metal ions to biologically useful molecules. The bifunctional compounds are characterized as having a hydrazine or hydrazide group and a protein reactive group. The hydrazine or hydrazide group may be protected as a lower alkyl hydrazone. Conjugates of the bifunctional compounds with macromolecules are also described and labelled macromolecules comprised of the conjugates and metal ions are provided. Additionally, a method is provided for forming a labelled macromolecule by reacting a conjugate with a metal species. The compounds and method of this invention are particularly useful in the fields of biology and medicine for imaging and/or therapy.

Abstract: A Pt(IV) complex of the formula ##STR1## wherein A and A' are NH.sub.3 or an amino group; R and R.sup.1 are hydrogen, alkyl, alkenyl, aryl, aralkyl, alkylamino or alkoxy or functionalized derivatives thereof; and X is halogen or alkyl mono- or dicarboxylate. The complexes have high antitumor activity, particularly when administered orally.

Abstract: Bifunctional aromatic compounds which are capable of linking metal ions to biologically useful molecules. The bifunctional compounds are characterized as having a hydrazine or hydrazide group and a protein reactive group. The hydrazine or hydrazide group may be protected as a lower alkyl hydrazone. Conjugates of the bifunctional compounds with macromolecules are also described and labelled macromolecules comprised of the conjugates and metal ions are provided. Additionally, a method is provided for forming a labelled macromolecule by reacting a conjugate with a metal species The compounds and method of this invention are particularly useful in the fields of biology and medicine for imaging and/or therapy.

Abstract: The present invention relates to compounds of gallium (III) which can be given orally to achieve high serum levels of gallium (III) for the treatment of hypercalcemia of malignancy and related disorders of bone metabolism. Complexes of gallium (III) of the formula (I) ##STR1## wherein R.sub.1 is C.sub.1 -C.sub.8 n-alkyl and R.sub.2 is H or C.sub.1 -C.sub.2 alkyl, or R.sub.1 and R.sub.2 together form tetra- or penta-methylene and wherein said complex is useful in increasing calcium content of bone tissue and decreasing bone resorption, are used in an amount sufficient to cause an increase in calcium content of said bone and to cause decreased bone resorption.

Abstract: Hypoxic cells are rendered more sensitive to irradiation by subjecting the cells to treatment with a Cu(II) coordination compound.

Abstract: A Pt(IV) complex of the formula ##STR1## wherein A and A' are NH.sub.3 or an amino group; R and R' are hydrogen, alkyl, alkenyl, aryl, aralkyl, alkylamino or alkoxy or functionalized derivatives thereof; and X is halogen or alkyl mono- or dicarboxylate. The complexes have high antitumor activity, particularly when administered orally.

Abstract: An improved optical data storage medium is reponsive to incident electromagnetic radiation, and the surface or a surface region of the medium includes a layer of heat sensitive material which has a textured surface pattern in the form of a regular array of grooves or protuberances, the dimensions of the surface features which constitute said textured surface pattern being in the sub-micron range. The textured surface pattern is overcoated with a thin film of an alloy, said alloy comprising (1) a first component which is at least one of ruthenium, rhodium, palladium, osmium, iridium and platinum; and (2) at least one other metallic element, preferably from Groups Va, VIa, VIIa, and Ib of the Periodic Table of elements according to Mendeleev.The preferred alloy compositions for such data storage media contain platinum and tungsten.

Abstract: A coordination complex comprising a radionuclide selected from the class consisting of radioactive isotopes of Tc, Ru, Co, Pt and Re and an isonitrile ligand of the formula:(CNX)R,where X is a lower alkyl group having 1 to 4 carbon atoms, wherein R is selected from the group consisting of COOR.sup.1 and CONR.sup.2 R.sup.3 where R.sup.1 can be H, a pharmaceutically acceptable cation, or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms. R.sup.2, and R.sup.3 can be H, or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and R.sup.2 and R.sup.3 can be the same of different is disclosed. Kits that can be used to form these complexes are also disclosed.

Abstract: The present invention relates to a method of potentiating radiation therapy using Co(III) complexes of water soluble, synthetic meso-substituted porphyrins. The method results in the sensitization of both well oxygenated (oxic) and oxygen deficient (hypoxic) tumor cells.

Abstract: A method for preparing radiopharmaceutical complexes that are substantially free of the reaction materials used to produce the radiopharmaceutical complex is disclosed. The method involves admixing in a suitable first solvent in a container a target seeking ligand or salt or metal adduct thereof, a radionuclide label, and a reducing agent for said radionuclide, thereby forming said radiopharmaceutical complex; coating the interior walls of the container with said pharmaceutical complex; discarding the solvent containing by-products and unreacted starting reaction materials; and removing the radiopharmaceutical complex from said walls by dissolving it in a second solvent, thereby obtaining said radiopharmaceutical complex substantially free of by-products and unreacted starting materials.

Abstract: A coordination complex comprising a radionuclide selected from the class consisting of radioactive isotopes of Tc, Ru, Co, Pt and Re and an isonitrile ligand of the formula:(CNX)R,where X is a lower alkyl group having 1 to 4 carbon atoms, wherein R is selected from the group consisting of COOR.sup.1 and CONR.sup.2 R.sup.3 where R.sup.1 can be H, a pharmaceutically acceptable cation, or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, R.sup.2, and R.sup.3 can be H, or a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and R.sup.2 and R.sup.3 can be the same or different is disclosed. Kits that can be used to form these complexes are also disclosed.

Abstract: A method for preparing a coordination complex of an isonitrile ligand and radionuclide such as Tc, Ru, Co, Pt, Fe, Os, Ir, W, Re, Cr, Mo, Mn, Ni, Rh, Pd, Nb and Ta is disclosed. The method comprises preparing a soluble metal adduct of said isonitrile ligand by admixing said ligand with a salt of a displaceable metal having a complete d-electron shell selected from the group consisting of Zn, Ga, Cd, In, Sn, Hg, Tl, Pb and Bi to form a soluble metal-isonitrile salt, and admixing said metal isonitrile salt with a salt comprising said radioactive metal in a suitable solvent to displace said displaceable metal with the radioactive metal thereby forming said coordination. The complex is useful as a diagnostic agent for labelling liposomes or vesicles, and selected living cells containing lipid membranes, such as blood clots, myocardial tissue, gall bladder tissue, etc.