Abstract: The invention relates to novel phosphonium borate compounds represented by the Formula: (R1)(R2)(R3)PH.BAr4, wherein R1, R2, R3 and Ar4 are as defined herein, and compositions including such phosphonium borate compounds in combination with a transition metal, transition metal salt, transition metal oxide or transition metal complex for use in carbon-carbon bond forming reactions, carbon-nitrogen bond forming reactions and carbon-oxygen bond forming reactions.

Abstract: The invention relates to methods for carbon-carbon bond forming reactions, carbon-nitrogen bond forming reactions and/or carbon-oxygen bond forming reactions using phosphonium borate compounds represented by the Formula: (R1)(R2)(R3)PH.BAr4, wherein R1, R2, R3, and Ar4 are as defined herein in combination with a transition metal, transition metal salt, transition metal oxide or transition metal complex.

Abstract: The invention relates to methods for carbon-carbon bond forming reactions, carbon-nitrogen bond forming reactions and/or carbon-oxygen bond forming reactions using phosphonium borate compounds represented by the Formula: (R1)(R2)(R3)PH.BAr4, wherein R1, R2, R3, and Ar4 are as defined herein in combination with a transition metal, transition metal salt, transition metal oxide or transition metal complex.

Abstract: The invention relates to novel phosphonium borate compounds represented by the Formula: (R1)(R2)(R3)PH.BAr4, wherein R1, R2, R3 and Ar4 are as defined herein, and compositions including such phosphonium borate compounds in combination with a transition metal, transition metal salt, transition metal oxide or transition metal complex for use in carbon-carbon bond forming reactions, carbon-nitrogen bond forming reactions and carbon-oxygen bond forming reactions.

Abstract: The invention relates to a phosphonium borate compound represented by Formula (I) (hereinafter, the compound (I)). The invention has objects of providing (A) a novel process whereby the compound is produced safely on an industrial scale, by simple reaction operations and in a high yield; (B) a novel compound that is easily handled; and (C) novel use as catalyst. Formula (I): (R1)(R2)(R3)PH.BAr4??(I) wherein R1, R2, R3 and Ar are as defined in the specification. The process (A) includes reacting a phosphine with a) HCl or b) H2SO4 to produce a) a hydrochloride or b) a sulfate; and reacting the salt with a tetraarylborate compound. The compound (B) has for example a secondary or tertiary alkyl group as R1 and is easily handled in air without special attention.

Abstract: The invention relates to a phosphonium borate compound represented by Formula (I) (hereinafter, the compound (I)). The invention has objects of providing (A) a novel process whereby the compound is produced safely on an industrial scale, by simple reaction operations and in a high yield; (B) a novel compound that is easily handled; and (C) novel use as catalyst. Formula (I): (R1)(R2)(R3)PH.BAr4??(I) wherein R1, R2, R3 and Ar are as defined in the specification. The process (A) includes reacting a phosphine with a) HCl or b) H2SO4 to produce a) a hydrochloride or b) a sulfate; and reacting the salt with a tetraarylborate compound. The compound (B) has for example a secondary or tertiary alkyl group as R1 and is easily handled in air without special attention.

Abstract: A production process by which tertiary phosphine with an attached sterically bulky hydrocarbon group is produced in a high yield and with high purity on an industrial scale through simple and safe operations by allowing a dialkylphosphinous halide to react with a Grignard reagent in the presence of a copper compound in an amount corresponding to 0.1 to 5% by mol based on the dialkylphosphinous halide to produce tertiary phosphine represented by the following formula (3): wherein R1 and R2 are each a tertiary hydrocarbon group of 4 to 13 carbon atoms, and R3 is an alkyl group, an alkenyl group, an aryl group or the like.

Abstract: The invention relates to a phosphonium borate compound represented by Formula (I) (hereinafter, the compound (I)). The invention has objects of providing (A) a novel process whereby the compound is produced safely on an industrial scale, by simple reaction operations and in a high yield; (B) a novel compound that is easily handled; and (C) novel use as catalyst. Formula (I): (R1)(R2)(R3)PH.BAr4??(I) wherein R1, R2, R3 and Ar are as defined in the specification. The process (A) includes reacting a phosphine with a) HCl or b) H2SO4 to produce a) a hydrochloride or b) a sulfate; and reacting the salt with a tetraarylborate compound. The compound (B) has for example a secondary or tertiary alkyl group as R1 and is easily handled in air without special attention.

Abstract: A production process by which tertiary phosphine with an attached sterically bulky hydrocarbon group is produced in a high yield and with high purity on an industrial scale through simple and safe operations by allowing a dialkylphosphinous halide to react with a Grignard reagent in the presence of a copper compound in an amount corresponding to 0.1 to 5% by mol based on the dialkylphosphinous halide to produce tertiary phosphine represented by the following formula (3): wherein R1 and R2 are each a tertiary hydrocarbon group of 4 to 13 carbon atoms, and R3 is an alkyl group, an alkenyl group, an aryl group or the like.