Abstract: Disclosed is a process for forming an organometallic cyclometallated iridium compound comprising reacting an iridium halide complex with a silver salt and excess organic cyclometallating ligand in a diol solvent. The process provides better yields and control of desired isomers.

Abstract: The present invention relates to sulfonium salts, to methods for their preparation and to radiation curable compositions containing them as photoinitiators.

Abstract: A process for preparing cyclopentadiene derivatives comprising the steps of: a) coupling a five membered heterocycle ring with a five or six membered heterocycle ring; b) reacting the obtained compound with a carbonilating system: c) reducing the obtained compound.

Abstract: A luminescence device that has an organic compound layer disposed between a pair of electrodes. This organic compound layer contains a metal coordination compound represented by the following formula (1) wherein M is Ir, Rh or Pd; n is 2 or 3; CyN is a substituted or unsubstituted cyclic group containing a nitrogen atom connected to M and capable of containing another nitrogen atom and/or sulfur atom; and CyC is a substituted or unsubstituted cyclic group containing a carbon atom connected to M and capable of containing a nitrogen atom and/or a sulfur atom.

Abstract: Complexes of organic ligands with a metal ion exhibit unique conformation and spectroscopic properties upon changes in oxidation state of the metal ion. The metal is a redox-active metal ion and may possess additional ligands bonded to it. The organic ligand has three “arms” that are linked together at a central atom; each arm contains atoms that may also coordinate to the metal ion. At least two of the arms possess chromophoric properties. At least one arm contains two different groups that may coordinate to the metal ion. In one oxidation state, a first atom binds to the metal. In a second oxidation state, a second atom binds to the metal. This change in coordination of the metal ion results in a rotation of one of the arms, which changes the orientation of another group, which inverses the orientation of the two chromophoric species with respect to one another.

Abstract: An organometallic luminescent material comprising the compound of formula (I) of the present invention can emit pure blue light and have high thermal stability: wherein, M1 is a monovalent or tetravalent metal selected from the group consisting of Li, Na, K, Zr, Si, Ti, Sn, Cs, Fr, Rb, Hf, Pr, Pa, Ge, Pb, Tm and Md; R is hydrogen or C1-10 alkyl; B is O, S, Se or Te; D is O or S; and n is an integer ranging from 1 to 4.

Abstract: Zinc-complex photoiniators and applications therefore are disclosed. The zinc-complex photoinitiators of the present invention include various pendent groups which serve to protect the compound from hydrolysis. In this manner, the stability of the photoinitiator is increased. The photoinitiators of the present invention can be used in many different processes and applications. For example, the photoinitiators are well suited for use in photocurable inks as used in ink jet printers or on a printing press.

Abstract: The object of the invention is new complexes of derivatives of thiacalix[4]arenes having the formula: 1

Abstract: This invention relates to an organothiosulfonato Au(I) complex having the formula [A—SO2S—Au—SSO2—A]n−M+n wherein M is a cationic counter ion; A is a substituted or unsubstituted organic group; and n is 1 to 4; and wherein the compound is symmetrical. It further relates to the synthesis of said compounds.

Abstract: The present invention features biarsenical molecules. Target sequences that specifically react with the biarsenical molecules are also included. The present invention also features kits that include biarsenical molecules and target sequences. Tetraarsenical molecules are also featured in the invention.

Abstract: A compound selected from the group consisting of a compound of formula I a compound of formula II and when the compound of formula I and II comprises an amino group pharmaceutically acceptable ammonium salts thereof, wherein R1, R2, Cx, n, R3, R4, R5, Y are as defined in the specification.

Abstract: Provided are a silver halide photographic emulsion containing a metal complex represented by the following formula (I):

Abstract: A class of metallocene compounds is disclosed having general formula (I) wherein Y is a moiety of formula (II) wherein A, B, and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Periodic Table of the Elements (new IUPAC version), with the exclusion of nitrogen and oxygen; R1, R2, R3, R4 and R5 are hydrogen or hydrocarbon groups, Z is selected from a moiety of formula (II) as described above and from a moiety of formula (III) wherein R6, R7, R8 and R9, are hydrogen or hydrocarbon groups; L is a divalent bridging group; M is an atom of a transition metal selected from those belonging to group 3, 4, 5, 6 or to the lanthanide or actinide groups in the Periodic Table of the Elements (new IUPAC version), X, same or different, is hydrogen, a halogen, a R10, OR10, OSO2CF3, OCOR10, SR10, NR102 or PR102 group, wherein the substituents R10 are hydrogen or alkyl groups; p is an integer of from 1 to 3, being equal to the oxidation state of the metal M minus 2.

Abstract: Complexes of organic ligands with a metal ion exhibit unique conformation and spectroscopic properties upon changes in oxidation state of the metal ion. The metal is a redox-active metal ion and may possess additional ligands bonded to it. The organic ligand has three “arms” that are linked together at a central atom; each arm contains atoms that may also coordinate to the metal ion. At least two of the arms possess chromophoric properties. At least one arm contains two different groups that may coordinate to the metal ion. In one oxidation state, a first atom binds to the metal. In a second oxidation state, a second atom binds to the metal. This change in coordination of the metal ion results in a rotation of one of the arms, which changes the orientation of another group, which inverses the orientation of the two chromophoric species with respect to one another.

Abstract: Single-site catalysts useful for polymerizing olefins are disclosed. The catalysts incorporate a Group 3 to 10 transition, lanthanide, or actinide metal and an anionic thiopyran dioxide ligand. Because a wide variety of thiopyran dioxides are easy to prepare from commercially available starting materials, the invention enables the preparation of a new family of single-site catalysts.

Abstract: Compounds of the formula I [LnMmXp]ZYq  (1) are claimed, where L is a ligand of the formula II and the individual symbols have the meanings defined in the description. The metal complexes are suitable as bleaching catalysts in detergents, cleaners and disinfectants which comprise peroxy compounds.

Abstract: The invention pertains to the use of Group 8 transition metal carbene complexes as catalysts for olefin cross-metathesis reactions, and for enantioselective reactions in particular. The synthesis of these complexes and details of their use as catalysts is also provided.

Abstract: A luminescent organometallic compound having the chemical structure represented by the general formula (1) or (2): 1

Abstract: Organometallic compounds useful for forming aluminum films by chemical vapor deposition are disclosed. Also disclosed are methods of preparing the organometallic compound and methods of forming aluminum films. The compounds are selected from R′R″R′″Al:Ln wherein R′, R″, R′″ are independently selected from alkyl, perfluroalkyl or alkoxy or borate. L is one or more organic Lewis bases selected from thiophene, thriopyran and, or as defined in the instant specification.

Abstract: Single-site catalysts useful for polymerizing olefins are disclosed. The catalysts incorporate a Group 3 to 10 transition, lanthanide, or actinide metal and an anionic thiopyran dioxide ligand. Because a wide variety of thiopyran dioxides are easy to prepare from commercially available starting materials, the invention enables the preparation of a new family of single-site catalysts.

Abstract: A class of metallocene compounds is disclosed having the general formula (I): wherein Y is a moiety of formula (II) wherein A, B and D, same or different from each other, are selected from an element of the groups 14 to 16 of the Periodic Table of the Elements (new IUPAC version), with the exclusion of nitrogen and oxygen; R1, R2, R3, R4 and R5 are hydrogen or hydrocarbon groups, Z is selected from a moiety of formula (II) as described above and from a moiety of formula (III): wherein R6, R7, R8 and R9, are hydrogen or hydrocarbon groups; L is a divalent bridging group; M is an atom of a transition metal selected from those belonging to group 3, 4, 5, 6 or to the lanthanide or actinide groups in the Periodic Table of the Elements (new IUPAC version), X, same or different, is hydrogen, a halogen, a R10, OR10, OSO2CF3, OCOR10, SR10, NR102 or PR102 group, wherein the substituents R10 are hydrogen or alkyl groups; p is an integer of from 0 to 3, being equal to

Abstract: This invention relates to the identification of a novel class of therapeutic agents which selectively target and kill tumor cells and certain other types of diseased cells, and to compositions comprising lipoic acid derivatives which poison the pyruvate dehydrogenase complex specifically in such cells. This invention also provides for methods of using therapeutically effective amounts of the lipoic acid derivatives for the treatment of cancer and other diseases. The lipoic acid derivatives described herein have a wide range of preventive and therapeutic applications.

Abstract: An organic-inorganic perovskite having alternating layers of an inorganic anion layer and an organic cation layer is provided. More particularly, the inorganic anion layer of the organic-inorganic perovskite has a trivalent or higher valent metal halide framework and the organic cation layer has a plurality of organic cations capable of templating the metal-deficient inorganic anion layers within the perovskite structure. Methods of preparing the organic-inorganic perovskite according to the present invention are also provided.

Abstract: Organometallic compounds useful for forming aluminum films by chemical vapor deposition are disclosed. Also disclosed are methods of preparing the organimetallic compounds and methods of forming aluminum films.

Abstract: Organometallic precursor compounds useful for forming aluminum films by chemical vapor deposition are disclosed. Also disclosed are methods of preparing the organometallic precursor compounds and methods of forming aluminum films.

Abstract: This invention relates to an organomercapto Au(I) complex having the formula [(M—SOL)n—A—S—Au—S—A—(SOL—M)n]M wherein M is a cationic counterion; SOL is a solubilizing group: A is a substituted or unsubstituted divalent organic linking group; and n is 1 to 4 and wherein the compound is symmetrical. It further relates to a method of manufacturing an organomercapto Au(I) complex comprising reacting an Au (I) complex with an organomercapto ligand and isolating the resulting organomercapto Au(I) complex from the reaction mixture.

Abstract: Bicyclic amino alcohols, whose amino group and hydroxy group are bonded in positions 1,3 adjacent to the bridge, for example 1

Abstract: Olefin co- or homopolymers having a good molecular weight and short chain branching may be prepared in the presence of a tridentate complex of a Group 8, 9 or 10 metal.

Abstract: A metallocene compound is provided wherein to a transition metal compound is bonded a multidentate compound wherein a substituted cycloalkadienyl ring CA1 having therein a heteroaromatic group Ra containing an oxygen, sulfur or nitrogen atom on a cycloalkadienyl ring, preferably the five-membered ring thereof, and an unsubstituted or substituted cycloalkadienyl group CA2 or —(R1)N—, —O—, —S— or —(R1)P—, preferably CA2, more preferably a substituted cycloalkadienyl group identical with CA1 are bonded through a divalent linking group. The metallocene compound is suitable as a principal ingredient of a catalyst for the polymerization of olefins, particularly achieving a very high effect in making the molecular weight of a polypropylene higher.

Abstract: The invention relates to novel targeting drug agents that are targeted for entry into the mitochondria. More specifically, the agents are cisplatin derivatives called mitoplatins which are useful as anti-tumor agents. Mitoplatins are named for their targeting to the mitochondrial DNA via the carnitine-acylcarnitine translocase system. The invention also relates to methods of synthesizing mitoplatins, compositions of matter containing mitoplatins and methods of using the mitoplatins.

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: Disclosed are a novel transition metal compound represented by the following general formula (I), a catalyst component for olefin polymerization comprising same, a catalyst for olefin polymerization comprising said catalyst component, and a process for the preparation of an a-olefin polymer: 1

Abstract: Dendrimers were directly and covalently attached to solid supports via siloxy bonds. After complexation with transition metals, the dendrimers were used as catalysts. The supported dendrimers were stable and easily separated from the reaction mixture.

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 light-emitting material comprises a compound having a partial structure represented by the following formula (1) or tautomer thereof: 1

Abstract: Organic complexes of vanadium are provided, having the general structure VL3, where V is vanadium(III) and L is a monoprotic bidentate ligand that forms a five-membered, unsaturated vanadium containing ring, having vanadium coordinating oxygen or sulfur ring heteroatoms, and where the vanadium containing ring is fused to a six-membered heterocyclic ring. Preferably L is a hydroxypyrone or a hydroxypyridinone. The complexes have a number of uses, including the treatment of elevated blood glucose and related disorders, treatment of proliferative disorders, etc.

Abstract: A process for the preparation of an aromatic organozinc compound is provided. The process comprises reacting a zinc chloride, bromide or iodide and an organometallic compound of another metal comprising an aromatic moiety, producing a reaction product comprising an organozinc compound and a halide salt of the other metal. The reaction product is then contacted with a liquid hydrocarbon, in which the organozinc compound is soluble and the halide salt of the other metal is of low solubility. The halide salt of the other metal is separated from the hydrocarbon, and the organozinc compound can be recovered from the hydrocarbon. Organozinc compounds produced by this process can be employed to generate chiral centres in suitable substrates.

Abstract: A catalyst for the selective oxidation of olefins in the presence of air or oxygen, comprising a compound of the formula (1) MoxOy(L)z  (1) where x is 1, 2 or 3, y is an integer from 0 to 2x+1, z is an integer from 1 to 2x, wherein the ligand L is a compound of the formula (2) or (3)  where n is 0 or 1, X is a nitrogen, oxygen or sulfur atom, Y is hydrogen, C1-C8-alkyl, C1-C8-alkoxy, F, Cl, Br, I, COOCH3, C6-C14-aryl or C3-C8-cycloalkyl, R3 and R4 form a ring containing from 4 to 8 carbon atoms onto which one or two aromatic rings may be fused, R1 and R2 are hydrogen, branched or straight-chain C1-C12-alkyl or branched or straight-chain C1-C12-haloalkyl which substitute the ring formed by R3 and R4 and/or the rings fused onto this ring, or the ligand L is a compound of the formula (4) or (5) where R is hydrogen, C1-C8-alkyl, C1-C8-alkoxy, COOCH3, carbonyl oxygen, C6-C14-aryl or C3-C8-cycloalkyl and n is 1 or 2 and m is from 1 to 6.

Abstract: Fluoroaluminate compounds of formula M+n(AlF4)n− wherein n is 1 to 3 and M+n is N(R2)4, P(R2)4, As(R2)4, HN(R2)3, H2N(R2)2, H3N(R2), (R2)3P═N═P(R2)3, S[N(R2)2]3, (R2)NCN(R)2, (R)2N—(C(R)2)k—N(R)3, and ZHm+m wherein Z is a base capable of accepting m protons, and various cyclic and aryl groups are disclosed as well as processes for their preparation.

Abstract: A metallocene compound is provided wherein to a transition metal compound is bonded a multidentate compound wherein a substituted cycloalkadienyl ring CA1 having therein a heteroaromatic group Ra containing an oxygen, sulfur or nitrogen atom on a cycloalkadienyl ring, preferably the five-membered ring thereof, and an unsubstituted or substituted cycloalkadienyl group CA2 or —(R1)N—, —O—, —S— or —(R1)P—, preferably CA2, more preferably a substituted cycloalkadienyl group identical with CA1 are bonded through a divalent linking group. The metallocene compound is suitable as a principal ingredient of a catalyst for the polymerization of olefins, particularly achieving a very high effect in making the molecular weight of a polypropylene higher.

Abstract: Organometallic compounds useful for forming aluminum films by chemical vapor deposition are disclosed. Also disclosed are methods of preparing the organimetallic compounds and methods of forming aluminum films.

Abstract: A metalorganic complex of the formula:MA.sub.Y Xwherein:M is a y-valent metal;A is a monodentate or multidentate organic ligand coordinated to M which allows complexing of MAY with X;y is an integer having a value of 2, 3 or 4;each of the A ligands may be the same or different; andX is a monodentate or multidentate ligand coordinated to M and containing one or more atoms independently selected from the group consisting of atoms of the elements C, N, H, S, O and F.The metal M may be selected from the group consisting of Cu, Ba, Sr, La, Nd, Ce, Pr, Sm, Eu, Th, Gd, Th, Dy, Ho, Er, Tm, Yb, Lu, Bi, Tl, Y, Pb, Ni, Pd, Pt, Al, Ga, In, Ag, Au, Co, Rh, Ir, Fe, Ru, Sn, Li, Na, K, Rb, Cs, Ca, Mg, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W. A may be selected from the group consisting of .beta.-diketonates and their sulfur and nitrogen analogs, .beta.-ketoesters and their sulfur and nitrogen analogs, cyclopentadienyls, alkyls, perfluoroalkyls, alkoxides, perfluoroalkoxides, and Schiff bases.

Abstract: Organometallic precursor compounds useful for forming aluminum films by chemical vapor deposition are disclosed. Also disclosed are methods of preparing the organometallic precursor compounds and methods of forming aluminum films.

Abstract: Disclosed herein is a process for the polymerization of ethylene, norbornenes and styrenes, by contacting in solution a selected nickel compound and a selected compound which is or can coordinated to the nickel with the olefin(s). The polymers produced are useful for films and molding resins.

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 cyanine dyes of the invention are well soluble in solvents having a high evaporation rate and stable against light, and thus effective for improving productivity and realizing optical recording media, especially CD-R and DVD-R optical discs, having improved light resistance.The optical recording medium of the invention uses a photo-stabilized cyanine dye which is obtained as a counter ion bonded compound between an anion of the formula (1) and a cation of the formula (2): ##STR1## wherein R.sub.01 and R.sub.02 each are ##STR2## wherein each of R.sub.11 and R.sub.12 is an alkyl group of 1 to 4 carbon atoms or phenyl group, ##STR3## wherein m is equal to 3, 4, 5 or 6, ##STR4## or phenyl groups; M is a transition metal; each of Z.sub.1 and Z.sub.2 is a fused benzene ring or fused naphthalene ring; each of R.sub.21 and R.sub.22 is an alkyl group; and n is equal to 0, 1 or 2.

Abstract: The present invention features biarsenical molecules and target sequences that specifically react with the biarsenical molecules. Methods of using the biarsenical molecules, tetraarsenical molecules and the target sequences are included.

Abstract: A method of controlling Take-all disease of plants by applying, preferably to the seed prior to planting, a fungicide of the formula ##STR1## wherein Z.sub.1 and Z.sub.2 are C or N and are part of an aromatic ring that is thiophene;A is selected from --C(X)-amine, --C(O)--SR.sub.3, --NH--C(X)R.sub.4, and --C(.dbd.NR.sub.3)--XR.sub.7 ;B is --W.sub.m --Q(R.sub.2).sub.3 or selected from o-tolyl, 1-naphthyl, 2-naphthyl, and 9-phenanthryl, each optionally substituted with halogen or R.sub.4 ;Q is C, Si, Ge, or Sn;W is --C(R.sub.3).sub.p H.sub.(2-p) --; or when Q is C, W is selected from --C(R.sub.3).sub.p H.sub.(2-p) --, --N(R.sub.3).sub.m H.sub.(1-m) --, --S(O).sub.p --, and --O--;X is O or S;n is 0, 1, 2, or 3;m is 0 or 1;p is 0, 1, or 2;R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.7 are herein defined;or an agronomic salt thereof.

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: A method of controlling Take-All disease of plants by applying a fungicide of the formula ##STR1## wherein Z.sub.1 and Z.sub.2 are C and are part of an aromatic ring which is .[.benzothiophene.]..Iadd.thiophene.Iaddend.; andA is .[.selected from.]. --C(X)-amine .[.wherein the amine is an unsubstituted, monosubstituted or disubstituted amino radical.]..Iadd.wherein the amine is a monosubstituted or a disubstituted amine, wherein one of the substituents has a cyclic moiety, said cyclic moiety which is chosen from the group consisting of thienyl, furanyl, and a non-heterocyclic substituent, wherein when the amine is disubstituted, the second substituent is a non-cyclic substituent.Iaddend., --C(O)--SR.sub.3, --NH--C(X)R.sub.4, .[.and.]. .Iadd.or .Iaddend.--C(.dbd.NR.sub.3)--XR.sub.7 ;B is --W.sub.m --Q(R.sub.2).sub.3 or selected from .[.O-tolyl.]..Iadd.o-tolyl.Iaddend., 1-naphthyl, 2-naphthyl, and 9-phenanthryl, each optionally substituted with halogen or R.sub.4 ;Q is C, Si, Ge, or Sn;W is --C(R.sub.3).sub.p H.