Abstract: The object of the present invention is to supply organic borates highly soluble even in a solvent of a low dielectric constant; nonaqueous electrolytes made from these organic borates and excellent in characteristics; lithium secondary batteries with improved high-temperature storage characteristics; electric appliances that can be free of protection circuits, and; various applications of the electric appliances.

Abstract: The present invention provides improved methods for synthesis of phosphinothiol reagents, as well as novel protected reagents, for use in formation of amide bonds, and particularly for peptide ligation. The invention provides phosphine-borane complexes useful as reagents in the formation of amide bonds, particularly for the formation of an amide bond between any two of an amino acid, a peptide, or a protein.

Abstract: This invention provides an anionic borate ligand, and its synthesis. Zwitterionic complexes formed by the ligand and a metal, and Group 9 and 10 metals in particular, are described. Uses of the complexes in stoichiometric and catalytic reaction chemistry are also provided.

Abstract: The present invention provides a process for preparing a polyaromatic compound comprising at least one sequence of two aromatic rings. The process of the invention, which consists in reacting an aromatic compound bearing a leaving group and an arylboronic acid and/or its derivatives in the presence of a base and an effective amount of a nickel catalyst, is characterized in that the reaction is conducted in a reaction solvent which is water optionally in a mixture with an organic solvent and in the presence of an effective amount of a catalyst based on nickel with at least one water-soluble phosphine ligand.

Abstract: This invention provides an anionic borate ligand, and its synthesis. Zwitterionic complexes formed by the ligand and a metal, and Group 9 and 10 metals in particular, are described. Uses of the complexes in stoichiometric and catalytic reaction chemistry are also provided.

Abstract: Disclosed are compounds useful as catalyst activators for olefin polymerization, comprising structures of the following formulae: wherein: L+ is a protonated derivative of an element of Group 15 of the Periodic Table of the Elements, additionally bearing two hydrocarbyl substituents of from 1 to 50 carbons each, or a positively charged derivative of an element of Group 14 of the Periodic Table of the Elements, said Group 14 element being substituted with three hydrocarbyl substituents of from 1 to 50 carbons each; R1 is a divalent linking group of from 1 to 40 non-hydrogen atoms; R2 independently each occurrence is a ligand group of from 1 to 50 nonhydrogen atoms with the proviso that in a sufficient number of occurrences to balance charge in the compound, R2 is L+—R1—; M1 is boron, aluminum or gallium; Arf independently each occurrence is a monovalent, fluorinated organic group containing from 6 to 100 non-hydrogen atoms; Y is a Group 15 element; and Z is a Grou

Abstract: Phosphonium borate compounds of formula (1) are novel. R1, R2, R3 and R4 each are a monovalent organic group having an aromatic or heterocyclic ring or a monovalent aliphatic group, at least one of R1, R2, R3 and R4 which are bonded to phosphorus atom and at least one of R1, R2, R3 and R4 which are bonded to boron atom are each an organic group derived by releasing a proton from a proton donor selected from among an aromatic carboxylic acid having at least one carboxyl group, an aromatic carboxylic acid having at least one acid anhydride group and at least one carboxyl group, a phenol compound having at least one phenolic hydroxyl group, an aromatic compound having at least one carboxyl group and at least one phenolic hydroxyl group, and an aliphatic carboxylic acid having at least one carboxyl group. The phosphonium borate compounds are useful as a latent curing catalyst for epoxy resin compositions.

Abstract: A new ligand having a backbone comprised of PCCC, where the last carbon atom is sp3 hybridized can be combined with a metal or metal precursor compound or formed into a metal-ligand complex to catalyze a number of different chemical transformations, including C—N bond formation.

Abstract: A method of producing a boron-based compound represented by general formula (1) including a first step of reacting lithium, magnesium or a compound containing lithium, a compound represented by general formula (2), and a compound represented by general formula (3): R.sup.2 --Y to produce a borate metal salt represented by general formula (4), and a second step of adding to the borate metal salt an onium halide represented by general formula (5): Z.sup.+ .multidot.X.sup.- to effect ion exchange reaction (the symbols in the formulae have the same meanings as described in the specification).According to the production method of the present invention, a high purity boron-based compound represented by the general formula (1) above useful as a photopolymerization initiator and a light-absorbing decolorizing agent can be obtained in a short time and a high yield as compared with the conventional method.

Abstract: The present invention provides compounds comprising a polyhalogenated heteroborane anion of the formula R.sub.a ZB.sub.b H.sub.c F.sub.d X.sub.e (OR").sub.f.sup.-1, and a method for producing the same. Specifically, the present invention provides compounds comprising a polyfluorinated monocarborane anion.

Abstract: The present invention discloses new organic compounds (e.g., ligands), their metal complexes and compositions using those compounds. The invention also relates to the field of catalysis. In particular, this invention relates to new compounds which when combined with suitable metals or metal precursor compounds provide useful catalysts for various bond-forming reactions, including Suzuki cross-coupling reactions. The invention also relates to performing Suzuki cross coupling reactions with unreactive aryl-chlorides.

Abstract: Compounds of the formula I ##STR1## in which R.sub.1 is, for example, C.sub.1 -C.sub.20 alkyl or phenyl-C.sub.1 -C.sub.6 alkyl which radicals are unsubstitutedor substituted; R.sub.2, R.sub.3 and R.sub.4 independently of one another are phenyl or biphenyl, which radicals are unsubstituted or substituted; wherein the sum of the Hammett .sigma. constants (.SIGMA..sub..sigma.) of the substitutents on the aromatic radicals R.sub.2, R.sub.3 and R.sub.4 is between +0.36 and +2.58; R.sub.8, R.sub.9, R.sub.14, R.sub.15 and R.sub.16 are, for example, C.sub.1 -C.sub.12 alkyl, phenyl-C.sub.1 -C.sub.6 alkyl or phenyl, and G is a radical which is able to form positive ions. These compounds are suitable as photoinitiators for photopolymerizable compositions which contain acid groups, in the presence of a coinitiator if desired.

Abstract: A method for producing a borate compound represented by formula (1) is disclosed, comprising a first step of reacting lithium or magnesium or a compound containing lithium or magnesium, a halide represented by formula (2) and a compound represented by formula (3) in a solvent to produce a boronate compound precursor, a second step of reacting lithium or magnesium or a compound containing lithium or magnesium, a halide represented by formula (4) and the boronate compound precursor obtained in the first step in a solvent to produce a borate metal salt, and a third step of adding an onium halide represented by formula (5) to the borate metal salt obtained in the second step to effect ion-exchange reaction (the formulae are as described in the specification).

Abstract: A compound of the general formula:A-L.sup.+ D.sup.-where A is a moiety which absorbs radiation and enters an excited state in which it accepts an electron; D.sup.- is a moiety which donates an electron to the excited state A and releases a free radical; and L.sup.+ is a cationic linking group which tethers electron acceptor moiety A to electron donor moiety D.sup.-. Cationic linking moiety L.sup.+ has the formula:-L'-G-where L' is a moiety which forms a stable radical with acceptor moiety A upon transfer of an electron from donor moiety D.sup.- to electron acceptor moiety A, and G is a moiety which forms a leaving group upon transfer of the electron from donor moiety D.sup.- to acceptor moiety A.

Abstract: A catalyst activator, comprising a cation which is a Bronsted acid capable of donating a proton, and an inert, compatible, noncoordinating, anion, characterized by a solubility constant at 25.degree. C. in hexane, cyclohexane or methylcyclohexane of at least 5 weight percent.

Abstract: Hydroxyaryl/phosphonate-derived aminoalkanol mixed borates have been found to be effective multifunctional load-carrying additives for lubricants.

Abstract: The present invention relates to novel potassium channel agonists which are useful in activating the calcium activated Maxi-K potassium channel in mammalian neuronal and smooth muscle tissue. The claimed compounds are of the general formula: ##STR1## In addition, a novel microbiological process for producing the claimed compounds is described.

Abstract: This invention relates to structurally novel acyclic tocotrienol analogs, which are useful for cholesterol/lipid lowering in cases of hypercholesterolemia and hyperlipidemia, and for atherosclerosis. Also provided are pharmaceutical compositions and a method of use employing those compositions.

Abstract: Neutral single-source molecular organic precursors containing tetradentate tripodal chelating ligands are provided that are useful for the preparation of films using chemical vapor deposition. These complexes can be generally represented by the formula ##STR1## wherein "M" is selected from the group consisting of a lanthanide, an actinide, a Group IIIA metal, a Group IIIA metalloid, a Group IVA metal, a Group IVA metalloid, a Group VA metal, a Group VA metalloid, a Group IIIB metal, a Group IVB metal, a Group VB metal, a Group VIB metal, a Group VIIB metal, and a Group VIIIB metal. The ligand "Z" can be present or absent, i.e., k=0-1, and is selected from the group consisting of hydrogen, halide, and a group bonded to "M" through N, O, P, S, As, Si, or C. In the tetradentate tripodal chelating ligand "E.sub.c " is N, P, or As, and m=0-1. When "E.sub.t " is N, P, or As, m=1, and when "E.sub.t " is O, S, or Se, m=0. Each "R.sup.1 " is independently selected from the group consisting of hydrogen, (C.sub.1 -C.

Abstract: The present invention relates to a novel alkylation catalyst complex and to alkylation processes employing such a catalyst complex. More specifically, the invention relates to a novel catalyst complex comprising a BF.sub.3 :H.sub.3 PO.sub.4 adduct, and at least one polar hydrocarbon formed in situ. The catalyst complex may optionally include water as well as an added solubilizing agent. The invention further includes a pretreatment method for enhancing the isoparaffin selectivity of a catalyst complex containing a BF.sub.3 :H.sub.3 PO.sub.4 adduct.

Abstract: A method of combatting, e.g., preventing as well as treating, a disease state such as cystic fibrosis, neonatal hypoxemia, pulmonary hypertension, adult respiratory distress syndrome, psoriasis, spondyloarthritis, rheumatoid arthritis, gout, inflammatory bowel disease, myocardial infarctions, and/or osteoporosis in an animal subject, by administering to the animal subject an amount of an organic boron compound which is effective thereagainst. The organic boron compounds usefully employed in the method of the invention include any suitable organic boron-containing compounds, such as Lewis base-boron adducts; a preferred class of organic boron compounds useful in such method includes boron analogs of .alpha.-amino acids, and the corresponding amides and esters of such amino acids. A method is also disclosed of inhibiting enzyme activity in in vitro or in vivo systems comprising administering to such system an enzyme-inhibiting amount of an organic boron compound.

Abstract: This invention is concerned with new chiral diphosphinite-borane compound of the formula ##STR1## wherein R.sup.1 and R.sup.2, identical or different, represent each a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.18 cycloalkyl, C.sub.7 -C.sub.18 aralkyl or C.sub.6 -C.sub.14 aryl group which can bear functional groups,R.sup.3 represents a C.sub.1 -C.sub.18 alkyl, C.sub.5 -C.sub.18 cycloalkyl, C.sub.7 -C.sub.18 aralkyl, C.sub.6 -C.sub.14 aryl, C.sub.1 -C.sub.18 alkoxy, C.sub.5 -C.sub.18 cycloalkyloxy, C.sub.7 -C.sub.18 aralkyloxy or C.sub.6 -C.sub.14 aryloxy group,Z represents a bridge linking the two phosphinite P atoms, said bridge being (i) a hydrocarbon chain having from 1 to 12 catenary C atoms or (ii) a heterohydrocarbon chain comprising from 1 to 12 catenary C atoms and at least one catenary heteroatom selected from the group consisting of O, S, Si, P and N.These chiral compounds are useful in the manufacture of chiral diphosphine compounds.

Abstract: Phosphonium salts of the formula ##STR1## wherein A signifies aryl and Y.sup.- signifies C.sub.1 -C.sub.6 -alkanoate or hydroxytrifluoroborate, as well as their manufacture from 3,7,11-trimethyldodeca-1,4,6,10-tetraen-3-ol with a triarylphosphine and with a C.sub.1 -C.sub.6 -alkanoic acid or a boron trifluoride etherate and, if desired after conversion into the phosphonium salt of a strong acid, further reaction to give lycopene.

Abstract: Phosphonium compounds of formula (I): ##STR1## in which at least one of the radicals R.sub.1 to R.sub.4 is a fluorine-substituted, saturated alkyl radical having 1 to 30 carbon atoms and 3 to 50 fluorine atoms, which can contain further substituents, or at least one of the radicals R.sub.1 to R.sub.4 is a fluorine-substituted aryl radical or an aralkyl radical substituted by fluorine on the aromatic ring, it being possible for the aryl or aralkyl radical to be further substituted on the aromatic ring, and the alkyl bridge between the phosphorus atom and the aromatic ring, in the case of an aralkyl radical, containing 1 to 30 carbon atoms, and at most three of the radicals R.sub.1 to R.sub.4 independently of the others are hydrogen atoms, unsaturated or saturated, substituted or unsubstituted C.sub.1 -C.sub.30 alkyl radicals or aryl or aralkyl radicals which can be substituted on the aromatic ring, and R.sub.5 to R.sub.

Abstract: Triarylsulfonium polyfluoro metal or metalloid salts are provided by effecting the oxidation of a diarylsulfide, while under dehydrating conditions, in the presence of a strong protonic acid. The resulting triarylsulfonium acid salt can thereafter be directly metathesized with an alkali metal or alkaline earth metal polyhalo salt.These compounds have the general formula ##STR1## where Q is selected from .dbd.S.fwdarw.O, --S-- and mixtures thereof, M is a transition metal or metalloid, "c" is an integer of 1 to 3, "d" is an integer of 0 to 3, R.sup.6 is phenyl or naphthyl, R.sup.7 is phenylene or naphthalene optionally substituted with one or more radicals selected from the class consisting of --CH.sub.3, --OCH.sub.3, --CO.sub.2 H, --Br, --Cl, and NO.sub.2.

Abstract: Disclosed herein are the reaction products of dialkyl or diaryl phosphorodithioate acids and hydrocarbyl diols, hydroxyester or related polydiols and borating agent. These reaction products are useful as additives for lubricating compositions.

Abstract: Novel bis-phosphonium salts of the general formula ##STR1## in which R.sup.1 stands for a straight or branched alkyl group having from 1 to 12 carbon atoms,R.sup.2 stands for methyl, ethyl, n-propyl or iso-propyl, andX.sup..crclbar. stands for a monovalent anion or complex anion, or2 X.sup..crclbar. stands for a bivalent inorganic anion, are made.To this end, a triorganylphosphonium alkylide of the general formula R.sub.3.sup.1 P=CHR.sup.2 is reacted with an anhydrous copper(II)-halide in a solvent at temperatures of -78.degree. C. to 0.degree. C. with agitation, precipitated bis-phosphonium dihalogenocuprate(I) is separated and, if desired, converted by metathesis into another bis-phosphonium salt.

Abstract: An hepatobiliary imaging agent is disclosed which is a cationic complex of Tc-99m, a cyanate or thiocyanate ion, and a mono or polydentate organic ligand having one or more donor atoms, each with a free-electron pair available for accepting a proton or for complexing with Tc-99m to form a cationic complex. These complexes can provide images of the hepatobiliary transit in as little as ten minutes.

Abstract: A cationic lipophilic complex of technetium is disclosed wherein all of the coordination positions of the technetium atom are filled with a neutral donor atom having a pair of electrons available for forming a coordinate bond with technetium. The donor atoms are provided by target-seeking ligands or salts thereof, said ligands having the following structure of one of formulas I, II or III. Such complexes are useful for imaging heart and hepatobiliary tissues.

Abstract: The present invention relates to methods for making cationic radiodiagnostic agents and, in particular, to methods for preparing .sup.99m Tc-labelled cationic radiodiagnostic agents.

Abstract: A normally solid, hydrophilic compound capable of binding with Tc-99m to form a cationic complex is provided. The compound has a formula selected from: ##STR1## wherein: R, R', R", R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are each independently selected from hydrogen; or substituted or unsubstituted alkyl, alkylene, aryl, alkylaryl, arylalkyl, monocycloalkyl, polycycloalkyl, heterocyclic and carbocyclic groups; and R plus R.sup.i in formula (A) may be taken together to form a cyclic compound;A, A', A", A.sup.1, A.sup.2, A.sup.3, A.sup.4, A.sup.5 and A.sup.6 are independently neutral functional elements, each having a free electron pair available for accepting a proton to provide a charged ligand and having the capability of complexing with Tc-99m to form a cationic complex;Y.sup.1, Y.sup.2, Y.sup.3, Y.sup.4, Y.sup.5 and Y.sup.

Abstract: Novel solid salt compositions are described containing, for example, tetraaryl- and triarylaralkyl-phosphonium and arsonium cations and tetraaryl- and tetraaryloxy-boranates and aluminates and polyanionic metal oxide surfaces, for example, as anions. The salts are useful for extracting aromatics and olefins from paraffinic hydrocarbon and aqueous liquid feedstreams, and from vapor and gas feedstreams by absorption.

Abstract: New phosphonium salts useful as starting materials for preparing unsaturated bicyclic compounds. Process for their preparation.

Abstract: Certain aryloxyphosphonium salts have been found to be effective as curing agents for various cationically polymerizable organic materials, such as epoxy resins, when incorporated into such materials. The materials are found to be moisture curable coating compositions.

Abstract: Carboranyl-substituted polyphosphazenes are prepared by heat polymerizing a carboranyl halocyclophosphazene at 250.degree. C. for about 120 hours in the absence of oxygen and moisture. The cyclophosphazene is obtained by allowing a lithium carborane, e.g. the reaction product of methyl-o-carborane with n-butyllithium in ethyl ether, to react with e.g. hexachlorocyclotriphosphazene at ambient temperatures and in anhydrous conditions. For greater stability in the presence of moisture, the chlorine substituents of the polymer are then replaced by aryloxy or alkoxy groups, such as CF.sub.3 CH.sub.2 O--.The new substantially inorganic polymers are thermally stable materials which produce a high char yield when exposed to extreme temperatures, and can thus serve to insulate less heat and fire resistant substances.

Abstract: A polycarbonate such as a bisphenol-A homopolycarbonate containing a small amount of a salt of a tetrahydrocarbyl borate e.g., sodium tetraphenyl borate, resists combustion upon exposure to a low temperature ignition source.

Abstract: A cationic lipophilic complex of technetium is disclosed wherein all of the coordination positions of the technetium atom are filled with a neutral donor atom having a pair of electrons available for forming a coordinate bond with technetium. The donor atoms are provided by target-seeking ligands or salts thereof, said ligands having the following structure of one of formulas I, II or III. Such complexes are useful for imaging heart and hepatobiliary tissues.