Abstract: The invention provides a method for enhancing the water solubility of cytotoxic trans-platinum complexes. The present invention also provides a method for killing tumor cells, and a method for the treatment of tumors by the administration of a cytotoxic platinum coordination complex of the general formula SP4-2-[PtX(L)(L′)(B)]+.

Abstract: The invention relates to methods of stabilizing in an aqueous medium cobalt (III) Schiff base complexes and stabilized cobalt (III) Schiff base compounds therefrom.

Abstract: A composition comprising (a) a metal complex of a cyclic thiohydroxamic acid such as the 2:1 zinc complex of 3-hydroxy-4-methylthiazol-2(3H)-thione and (b) a salt of the metal such as zinc chloride, acetate or oxide. The presence of component (b) gives enhanced microbiological activity.

Abstract: The invention relates to immobilized palladium complexes, to a process for their preparation, to their use as catalysts and to a process for the preparation of arylamines using immobilized palladium complexes.

Abstract: Zinc dithiocarbamates are obtained in especially readily filterable form and high purity when zinc salts are first added, in aqueous solution, to the secondary amines underlying the zinc carbamates, so that a zinc salt complex of the amines is formed, and carbon disulfide and then sodium hydroxide solution are then introduced, with stirring, into the aqueous suspension so obtained, the temperatures being maintained in the range from room temperature to the boiling temperature of carbon disulfide until the reaction has completely finished.

Abstract: The present invention relates to tetra- and penta-nuclear platinum complexes with antitumor activity, to a method for preparing them and to pharmaceutical compositions containing them.

Abstract: The present invention describes methods for the synthesis of N-homocysteine thiolactonyl retinamido cobalamin (thioretinaco), a compound that has potential anticancer, antineoplastic, antiviral, and antiatherogenic properties.

Abstract: A metal complex represented by the formula: (X)nML1L2, (X)2M(L1)2 or (L1)2ML2 wherein M represents a Group VIII metal, X represents a polar group, L1 represents a phenanthroline containing at least one carboxyl group which may be neutralized, L2 represents a nitrogen-containing polycyclic compound which may contain one or more substituents, and n is an integer of 1 or 2. A dye-sensitized oxide semiconductor electrode includes an electrically conductive body, an oxide semiconductor film provided on a surface of the electrically conductive body, and the above metal complex. A solar cell may be constructed from the above dye-sensitized oxide semiconductor electrode, a counter electrode, and a redox electrolyte contacting with both electrodes.

Abstract: Provided are certain transition metal complexes which are useful as catalysts in the polymerization of olefinic monomers. In particular, the invention provides complexes of certain bidentate ligands bonded to Ni, Pd, Co, or Fe, and optionally, one or more neutral Lewis acids, and their use in the polymerization of olefins.

Abstract: The present invention provides the composition for novel acyl-mercapto-triazolyl derivatives, and the acid addition salts and metal salt complexes thereof; a process for their preparation; and a method for their use as microbicides.

Abstract: Novel triazolinethione-phosphoric acid derivatives of the formula in which R1, R2, R3 and Q are each as defined in the description and their metal salt complexes, a process for preparing the novel substances and their use as microbicides in crop protection and in the protection of materials are described.

Abstract: A compound comprising and diamine containing from 2-4 electron-affinic radiosensitizing functional groups or a salt thereof is provided. In a preferred embodiment the compound has the formula wherein A comprises a carbon carbon having from about 2-10 carbon in the chain, R1, R2, R3, and R4 are H, or T, T is wherein A′ comprises a carbon chain having from about 1-8 carbon in the chain, is R5 is H, lower alkyl, and halo, and R6 is H, lower alkyl, halo or nitro, provided that at least one of R1 and R2, and at least one of R3 and R4 is T. Intermediates for, pharmaceutical compositions containing, methods for making and methods for using such compounds to radiosensitize and kill hypoxic tumor cells are also provided.

Abstract: A photosensitizer complex of formulae (Ia) MX3Lt or (Ib) MXYLt in which M is a transition metal selected from ruthenium, osmium, iron, rhenium and technetium, preferably ruthenium or osmium; each X is a co-ligand independently selected from NCS—, Cl—, Br—, I—, CN—, NCO—, H2O, NCN2−; pyridine unsubstituted or substituted by at least one group selected from vinyl, primary, secondary or tertiary amine, OH and C1-30 alkyl, preferably NCS—; and Lt is a tridentate ligand comprising heterocycles such as pyridine, thiophene, imidazole, pyrazole, triazole, carrying at least one carboxylic, phosphoric, hydoxamic acid or a chelating group. A photovoltaic cell comprising an electrically conductive layer deposited on a support to which at least one titanium dioxide layer has been applied and, as a photosensitizer applied to the titanium dioxide layer, a photosensitizer complex of formula (Ia) or Ib) as specified above.

Abstract: A process for the preparation of heteroaryl-zinc halides of the formula (II): Het—Zn—X, wherein Het is an optionally substituted 5 or 6 membered aromatic heterocyclic group with one or two heteroatoms selected among nitrogen, oxygen or sulphur; X is a chlorine, bromine or iodine atom; comprising metallation reaction of heteroarylhalide with metallic zinc optionally activated by washing with acids, is described. Compounds of the formula (II) are intermediates useful in the synthesis for the preparation of compounds endowed with pharmacological activity.

Abstract: The invention is directed towards a metal complex having the formula LMX1X2. L is a bidentate nitrogen-containing ligand with more than 2 nitrogens. M is copper, silver, or gold. X1 and X2 are independently selected from the group consisting of halogens, hydride, triflate, acetate, trifluoroacetate, perfluorotetraphenylborate, tetrafluoroborate, C1 through C12 alkyl, C1 through C12 alkoxy, C3 through C12 cycloalkyl, C3 through C12 cycloalkoxy, aryl, and any other moiety into which a monomer can insert. Such metal complexes have a tetrahedral or pseudo-tetrahedral structure.

Abstract: Amyloid binding compounds which are non-azo derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to diagnose other pathological conditions characterized by amyloidosis, such as Down's Syndrome are described. Pharmaceutical compositions containing non-azo derivatives of Chrysamine G and methods using such compositions to prevent cell degeneration and amyloid-induced toxicity in amyloidosis associated conditions are also described. Methods using non-azo Chrysamine G derivatives to stain or detect amyloid deposits in biopsy or post-mortem tissue are also described. Methods using non-azo Chrysamine G derivatives to quantify amyloid deposits in homogenates of biopsy and post-mortem tissue are also described.

Abstract: A novel organometallic compound is disclosed which can be used, in conjunction with a trialkyl or bialkyl aluminum cocatalyst, for catalyzing the polymerization and copolymerization of ethylene without requiring the use of either methyl aluminoxane or borate as cocatalyst. The organometallic compound is represented by the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MX.sub.a Y.sub.b ; wherein: (a) C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopentadienyl group, in which n is an integer between 0 and 5, and R is C.sub.1 to C.sub.6 alkyl group; (b) L is tetrapyrazolyl borate, hydrotrispyrazolyl borate, dihydrobispyrazolyl borate or hydrotris(3,5-dimethylpyrazolyl) borate; (c) M is a Group IIIB, Grcup IVB, or Group VB transitional metal; (d) a and b are integers such that a+b=m-2, where m is the valance of M; and (e) X and Y, which can be the same of different from each other, are halogen atoms or ligands represented by the formula of ER.sup.1 or ER.sup.1 R.sup.

Abstract: The present invention relates to an organic-inorganic hybrid material comprising an organic component and an inorganic component. The organic component comprises a dye that fluoresces in the visible range. In addition, an optically inert component may replace a portion of the organic dye component to increase fluorescence.

Abstract: Amyloid binding compounds which are non-azo derivatives of Chrysamine G, pharmaceutical compositions containing, and methods using such compounds to identify Alzheimer's brain in vivo and to diagnose other pathological conditions characterized by amyloidosis, such as Down's Syndrome are described. Pharmaceutical compositions containing non-azo derivatives of Chrysamine G and methods using such compositions to prevent cell degeneration and amyloid-induced toxicity in amyloidosis associated conditions are also described. Methods using non-azo Chrysamine G derivatives to stain or detect amyloid deposits in biopsy or post-mortem tissue are also described. Methods using non-azo Chrysamine G derivatives to quantify amyloid deposits in homogenates of biopsy and post-mortem tissue are also described.

Abstract: The present invention provides the composition for novel triazolyl disulphides, the acid addition salts and metal salt complexes of the triazolyl disulphides, a process for their preparation, and a method for their use as microbicides.

Abstract: Hexacoordinated ruthenium and osmium catalysts of the formulae ##STR1## in which M and M' independently of one another are ruthenium or osmium;X, X', Y and Y' independently of one another are anionic ligands, or X and Y and X' and Y' in each case together are bis-anionic ligandsL.sup.1 and L.sup.1' independently of one another are tertiary phosphine;L.sup.2 and L.sup.3 independently of one another are a monodentate ligand, or L.sup.2 and L.sup.3 together are bidentate, neutral electron donor ligands;L.sup.4 is tetradentate, neutral electron donor ligand;L.sup.5 is a bidentate, neutral electron donor ligand; andT and T' indepedently of one another are H or organic substituents, are useful for the synthesis of custom-tailored polymers and for the ring-closing metathesis of olefins.

Abstract: Chiral diphosphines are constituted by an aromatic pentatomic biheterocyclic system, suitable to act as chiral ligands and complexes between the diphosphines and transition metals. They may be utilized as chiral catalysts in stereocontrolled reactions, such as diastereo- and enantioselective reduction reactions. Process is for the preparation of these chiral diphosphines; and process is for the preparation of these complexes and for their utilization as chiral catalysts in stereocontrolled reactions.

Abstract: The present invention provides the composition for novel acyl-mercapto-triazolyl derivatives, and the acid addition salts and metal salt complexes thereof; a process for their preparation; and a method for their use as microbicides.

Abstract: An object of this invention is to provide an organic EL device material stable against heat, having a high purity in bluish light emission and a high efficiency. The organic EL device comprises a glass substrate, a transparent anode, a TPD which is an electron hole implanted transporting layer, an organic luminous layer, Alq.sub.3 which is an electron implanted transporting layer and a cathode. The organic luminous layer is an aluminum complex which is .mu.-oxozi [bis(2-(2-benzo oxazolyl)-phenolate) aluminum (III)]. Plus and minus DC voltages are applied to the anode and cathode respectively. The organic luminous layer indicates bluish light emission of 1314 cd/m.sup.2 at 16V. A peak wave length of the luminous spectrum is 420 nm and chromaticity coordinates are x=0.185 and y=0.178 and a high purity as bluish color is assured. The organic EL device material is stable against heat and difficult to deteriorate.

Abstract: A chemical composition is provided for the manufacture of devices for storing and/or displaying information, comprising a network having a molecule which is formed from a metallic element Fe.sub.(II) which is bonded to a 1-2-4 triazole ligand (H-Trz), which molecule further comprises one or more than one anions A selected from BF.sub.4.sup.-, ClO.sub.4.sup.-, CO.sub.3.sup.2-, Br.sup.-, Cl.sup.-, in accordance with the formulation:Fe.sub.II (H-Trz).sub.3 A.sub.2,characterized in that this composition is used in the pure state in either one of the two crystalline phases (.alpha., .beta.) at least one of which, referred to as the second phase (.beta.), can be thermally induced on the basis of the other phase, referred to as the first phase (.alpha.), at a temperature which is equal to or higher than a first reference temperature (To), which phases each show thermally inducible spin transitions between a low-spin state at a low first temperature (T.sub..alpha.1, T.sub..beta.

Abstract: The object of the present invention is to provide a novel compound which has various biological activities and is useful for medical and animal drugs. The present invention provides a compound represented by the formula: ##STR1## wherein R.sup.1 is COOR.sup.4, CONR.sup.5 R.sup.6, CO--R.sup.7 --OR or CH.sub.2 OR.sup.8 ; R.sup.2 is hydrogen atom, alkyl, aralkyl, heteroaryl, heteroarylalkyl, COR.sup.13, COOR.sup.14, CONR.sup.15 R.sup.16 ; R.sup.3 is hydrogen atom or OR.sup.3 ; a broken line ( - - - ) represents the presence of a double bond when R.sup.3 is oxygen atom and the absence of a double bond when R.sup.3 is OR.sup.3, or a salt or metal chelete thereof.

Abstract: The instant invention provides a homologation process for making a zincate homoenolate from a carbon bound enolate zincate, by treating the carbon bound enolate zincate with an alkoxy lithium reagent. The homologation step can be coupled with a homoaldol reaction, as well as with other transmetallation reactions, in a one pot process. The zincate homoenolate is a useful intermediate in the preparation of a variety of different end-products, such as HIV protease inhibitors and renin inhibitors.

Abstract: The present invention is drawn to complexes of dibenzyl-organotin compounds having nitrogen or sulfur containing heterocyclic ligands. Said complexes are useful as cytotoxic agents.

Abstract: Disclosed is a metal chelate dye which is composed of a metal ion and a ligand that is a methine dye having 2 or more bonding positions capable of coordinate bond to the metal ion at the bonding position. A thermal transfer recording material, an ink used for an ink jet image recording process and a color toner for electrostatic image recording process are also disclosed.

Abstract: A labeled compound detectable by IR spectroscopy contains at least one hidine residue bound to a cyanate or thiocyanate metal complex that has an IR absorption band within the spectral region of 2399-1900 cm.sup.-1. An assay reagent for simultaneously detecting or determining a plurality of different analytes in a sample is made up of a plurality of different labeled compounds, each being independently distinguishable from the others by absorbing energy in a different and distinguishable region in the range of 2300 to 1900 cm.sup.-1.

Abstract: Aliphatic hydrocarbyl-substituted aromatic amines are prepared by reacting an aromatic amine and an aliphatic hydrocarbylating agent, such as an olefin, in the presence of a heteropolyacid catalyst such as Cs.sub.2.5 H.sub.0.5 PW.sub.12 O.sub.40, for a period of time and at a temperature sufficient to permit reaction.

Abstract: The present invention relates to a complex formed by the coordination between a thiol group-containing compound and a silver ion; an antibacterial, antifungal, and antiviral agent containing the same as the active agent; and an antibacterial, antifungal, and antiviral composition containing the above agent and a vehicle or a carrier.The agent has a wide antibacterial and antifungal spectrum and an antiviral activity, is well compatible with various vehicles and carriers, sustains its activity for long, and has reduced peroral toxicity, skin irritation and mucosa irritation.

Abstract: A bis(platinum) complex having the structure: ##STR1## wherein X, Y, Z, X', Y', and Z' are the same or different ligands and are halide, sulphate, phosphate, nitrate, carboxylate, substituted carboxylate, dicarboxylate, substituted dicarboxylate primary or secondary amine, sulfoxide, phosphine, pyridine-type nitrogen and the like; preferably, there is at least one Pt-anion bond on each Pt molecule; and A is a diamine or polyamine.Complexes of trans geometry ?PtX.sub.2 (L)(L')! where at least L is a planar ligand such as pyridine but preferably quinoline and L' may be amine, sulfoxide or substituted sulfoxide and X is a chloride, nitrate or carboxylate.A process for obtaining bis(platinum) complexes where the two platinum coordination spheres may contain different ligands in each sphere and where the geometry of each platinum coordination sphere may be the same or different.

Abstract: Novel halogenoalkenyl-azolyl derivatives of the formula ##STR1## in which R.sup.1 represents optionally substituted alkyl, optionally substituted alkenyl, optionally substituted cycloalkyl, optionally substituted aryl or represents optionally substituted heteroaryl,R.sup.2 represents alkyl, halogenoalkyl, 1-hydroxyalkyl, 2-hydroxyalkyl, 1-hydroxyhalogenalkyl, 1-alkenyl or 2-alkenyl,X.sup.1 represents fluorine, chlorine, bromine or iodine,X.sup.2 represents fluorine, chlorine, bromine or iodine, andY represents nitrogen or a CH group,and addition products thereof with acids or metal salts are very active as microbicides in plant protection and in the protection of materials.

Abstract: The invention is a compound of the formula: ##STR1## wherein M is a bivalent or trivalent metal ion, and X is OH or O.sup..crclbar.. The above compound of the present invention is useful for prevention or treatment of mycoplasmosis.

Abstract: Ruthenium complexes with a chiral ligand of the general formula: ##STR1## are used for the enantioselective transfer hydrogenation of prochiral ketones.

Abstract: 2-Aryl or 2-heterocyclyl-2, 2-disubstituted ethyl-1,2,4-triazoles have been shown to have fungicidal activity.

Abstract: Novel complexes of paramagnetic ions and compounds bearing long acyl chains have been synthesized as magnetic resonance imaging contrast agents. These novel liposoluble contrast agents may be administered alone, or with lipids, suspending agents or other additives. The lipids may be in the form of liposomes, micelles or lipid emulsions. The contrast agents of the invention have particular use in magnetic resonance imaging of the liver, blood pool and reticuloendothelial system.

Abstract: Novel trans-platinum IV complexes which contain heterocycle ligands such as quinoline or isoquinoline, anionic ligands such as halide or sulfate, and which optionally may contain ammonia, or a primary or secondary amine are provided. These complexes have application as pharmaceuticals, in particular as anti-tumor agents.

Abstract: A novel catalyst comprising the formula:LRE(O)nwhereinL is selected from the group consisting of(a) (R.sub.1)(AL)wherein R.sub.1 is an alkyl side chain containing at least one carbon-rhenium covalent bond, andAL is a molecule having C.sub.2 to C.sub.50, and has at least one hetero atom selected from the group consisting of N, O, S, and P wherein there is at least one hetero-rhenium dative bond, and has at least one chiral center. and(b) R.sub.AL is a straight or branched chain alkyl or arylalkyl group containing C.sub.2 to C.sub.50 and containing at least one heteroatom selected from the group consisting of N, O, S, and P, with the proviso that said alkyl group contains at least one carbon-rhenium covalent bond and at least one hetero-rhenium dative bond, and has at least one chiral center:and n is an integer which is 2, 3, 4, or 5 and which has utility in areas such as epoxidation of olefins.

Abstract: A compound of formula (I): ##STR1## n which M is a transition metal ion; A is a counter-ion if required;r, s and t are independently 0 to 3 such that r+s+t is in the range of 1 to 3;R.sup.a, R.sup.b, R.sup.c are each independently hydrogen or CH.sub.2 OR' where R' is hydrogen or an organic group;B and E are independently oxygen, CH.sub.2, NR.sup.d in which R.sup.d is alkyl, hydrogen, alkylcarbonyl, or arylcarbonyl or SO.sub.n where n is 0 or an integer 1 or 2, with the proviso that B and E are not simultaneously CH.sub.2 and that when B is oxygen, NR.sup.d or SO.sub.n, then r cannot be 0, and when E is oxygen, NR.sup.d or SO.sub.n, then t cannot be 0;R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 are independently hydrogen, alkyl or alkoxy.

Abstract: Dilute solutions of 0.5 to about 5% by weight of at least one 3-isothiazolone selected from the group consisting of 5-chloro-2-methyl-4-isothazolin-3-one and 2-methyl-4-isothazolin-3-one are stabilized without using inorganic metal salts or hydrogen peroxide by forming a microemulsion composition with organic solvent(s) having less than 6 percent by weight solubility in water; anionic surfactant(s); and optionally, non-ionic surfactant(s).

Abstract: There is disclosed a process for producing a 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran of general formula (1): ##STR1## which comprises reacting a hydroxyacetophenone of general formula (2): ##STR2## with a tetrazole compound of general formula (3): ##STR3## in the presence of a base in a solvent composed mainly of at least one selected from hydrocarbons, halogenated hydrocarbons and alcohols, and then treating the reaction mixture under acidic conditions.

Abstract: Compounds having a 5 membered, nitrogen containing ring with a thione group adjacent to a nitrogen atom substituted with an OR group have antimicrobial properties. Metal complexes or salts of these compounds also have antimicrobial properties. The compounds, or the metal complexes or salts thereof, can be used as a cutting fluid preservative, a wood preservative, in cooling water applications or as an antimicrobial agent in a paint. Some of the compounds are new. The metal complexes or salts are new.

Abstract: An anionic initiator system formed by the reaction product of: (1) an organolithium compound with (2) the reaction product of (a) a secondary amine and (b) diisopropenyl benzene, initiates polymerization to produce a polymer containing tertiary amine functional sites incorporated at the head of the polymer chain. A subclass of these polymers can be compounded to exhibit reduced hysteresis over conventionally prepared polymers.

Abstract: A new class of organometallic complexes with built-in fluorescent dye for use in electroluminescent (EL) devices and a method of preparation are disclosed. An organometallic complex with built-in fluorescent dye as guest dopant is introduced into an organic EL device by thoroughly pre-mixing it with a host organometallic emitter in a certain ratio and co-depositing it from a single source. The organometallic complex with built-in fluorescent dye determines the emission color of the EL device.

Abstract: This invention relates to substituted dihydropyridazinones, pyridazinones and related compounds, of the formula ##STR1## wherein A, Q, D and R.sup.1 are as defined within, compositions containing these compounds and methods of controlling agricultural and mammalian fungal diseases.

Abstract: There are disclosed a process for preparing an ambient temperature molten salt, which comprises treating an ambient temperature molten salt consisting essentially of 20 to 50 mole % of an aluminum halide and 80 to 50 mole % of an onium halide, containing oxygen-containing impurities originating from water with thionyl chloride anda process for preparing an ambient temperature molten salt for effecting aluminum electroplating, which comprises treating mixed ambient temperature molten salts consisting essentially of 30 to 50 mole % of an aluminum halide and 70 to 50 mole % of an onium halide, containing oxygen-containing impurities originating from water with thionyl chloride, and then adding aluminum halide to the molten salt to prepare an ambient temperature molten salt composition consisting essentially of 50 to 80 mole % of an aluminum halide and 50 to 20 mole % of an onium halide.

Abstract: A dry immunoassay analytical element, for assaying a ligand, comprising a support bearing:(a) a labeled ligand zone;(b) a spreading zone; and(c) a receptor zone containing a fixed concentration of an immobilized receptor for the ligand and the labeled ligand and the receptor is covalently bonded to polymeric beads having a diameter in the range of 0.1 to 5 .mu.m;characterized in that the element contains a compound containing a vanadium IV (V.sup.+4) ion and the zones can be in the same or separate layers.

Abstract: Novel ruthenium complexes for use as immunosuppressive agents to prevent or significantly reduce graft rejection in organ and bone marrow transplantation are described. The ruthenium complexes can also be used as an immunosuppressant drug for T-lymphocyte mediated autoimmune diseases, such as diabetes, and may be useful in alleviating psoriasis and contact dermatitis.