A mononuclear iron bivalent complex having iron-silicon bonds, which is represented by formula (1), can exhibit an excellent catalytic activity in at least one reaction selected from three reactions, i.e., a hydrosilylation reaction, a hydrogenation reaction and a reaction for reducing a carbonyl compound. ##STR00001## (In the formula, R.sup.1 to R.sup.6 independently represent a hydrogen atom, an alkyl group which may be substituted by X, or the like; X represents a halogen atom, or the like; L.sup.1 represents at least one two-electron ligand selected from an isonitrile ligand, an amine ligand, an imine ligand, a nitrogenated heterocyclic ring, a phosphine ligand, a phosphite ligand and a sulfide ligand, wherein, when multiple L.sup.1's are present, two L.sup.1's may be bonded to each other; L.sup.2 represents a two-electron ligand that is different from a CO ligand or the above-mentioned L.sup.1, wherein, when multiple L.sup.2's are present, two L.sup.2's may be bonded to each other; and m.sup.1 represents an integer of 1 to 4 and m.sup.2 represents an integer of 0 to 3, wherein the sum total of m.sup.1 and m.sup.2 (i.e., m.sup.1+m.sup.2) satisfies 3 or 4.)

A mononuclear iron bivalent complex having iron-silicon bonds, which is represented by formula (1), can exhibit an excellent catalytic activity in at least one reaction selected from three reactions, i.e., a hydrosilylation reaction, a hydrogenation reaction and a reaction for reducing a carbonyl compound. ##STR00001## (In the formula, R.sup.1 to R.sup.6 independently represent a hydrogen atom, an alkyl group which may be substituted by X, or the like; X represents a halogen atom, or the like; L.sup.1 represents at least one two-electron ligand selected from an isonitrile ligand, an amine ligand, an imine ligand, a nitrogenated heterocyclic ring, a phosphine ligand, a phosphite ligand and a sulfide ligand, wherein, when multiple L.sup.1's are present, two L.sup.1's may be bonded to each other; L.sup.2 represents a two-electron ligand that is different from a CO ligand or the above-mentioned L.sup.1, wherein, when multiple L.sup.2's are present, two L.sup.2's may be bonded to each other; and m.sup.1 represents an integer of 1 to 4 and m.sup.2 represents an integer of 0 to 3, wherein the sum total of m.sup.1 and m.sup.2 (i.e., m.sup.1+m.sup.2) satisfies 3 or 4.)

A mononuclear iron bivalent complex having iron-silicon bonds, which is represented by formula (1), can exhibit an excellent catalytic activity in at least one reaction selected from three reactions, i.e., a hydrosilylation reaction, a hydrogenation reaction and a reaction for reducing a carbonyl compound. ##STR00001## (In the formula, R.sup.1 to R.sup.6 independently represent a hydrogen atom, an alkyl group which may be substituted by X, or the like; X represents a halogen atom, or the like; L.sup.1 represents at least one two-electron ligand selected from an isonitrile ligand, an amine ligand, an imine ligand, a nitrogenated heterocyclic ring, a phosphine ligand, a phosphite ligand and a sulfide ligand, wherein, when multiple L.sup.1's are present, two L.sup.1's may be bonded to each other; L.sup.2 represents a two-electron ligand that is different from a CO ligand or the above-mentioned L.sup.1, wherein, when multiple L.sup.2's are present, two L.sup.2's may be bonded to each other; and m.sup.1 represents an integer of 1 to 4 and m.sup.2 represents an integer of 0 to 3, wherein the sum total of m.sup.1 and m.sup.2 (i.e., m.sup.1+m.sup.2) satisfies 3 or 4.)

The present invention relates to a method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters with a boron formate having the formula (I) in the presence of a solvent and optionally a base. The invention also relates to the use of the method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters according to the invention in the preparation of methanol, methylated amines, formaldehyde and alcohols; for the preparation of reactants for Suzuki coupling reactions; and in the manufacturing of vitamins, pharmaceutical products, glues, acrylic fibers, synthetic leather, pesticides.

The present invention relates to a method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters with a boron formate having the formula (I) in the presence of a solvent and optionally a base. The invention also relates to the use of the method for reducing unsaturated organic compounds chosen from the group formed by the aldehydes, the ketones, the imines, the carboxylic acids, the amides, and the esters according to the invention in the preparation of methanol, methylated amines, formaldehyde and alcohols; for the preparation of reactants for Suzuki coupling reactions; and in the manufacturing of vitamins, pharmaceutical products, glues, acrylic fibers, synthetic leather, pesticides.

The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative.

The present invention relates to a novel process for converting the unwanted S enantiomer form to its useful raceme with respect to a 4-aminoindane derivative.

The invention relates to a synthesis method for at least one nitrogen compound belonging to the family of partly N-hydroxyethylated tertiary 1,6-hexanediamines with general formula (I) as follows:

##STR00001##

wherein radicals R.sub.1, R.sub.2, R.sub.3 are each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R.sub.1, R.sub.2, R.sub.3 is a methyl radical,
comprising at least a first reaction between a first halogen atom-free precursor compound and a second halogen atom-free precursor compound.

The first precursor compound comprises a carbon skeleton consisting of a linear sequence of 6 carbon atoms with the 4 central carbon atoms bonded each to 2 hydrogen atoms and the carbon atoms in alpha and omega position not bonded to a halogen atom.

The invention relates to a synthesis method for at least one nitrogen compound belonging to the family of partly N-hydroxyethylated tertiary 1,6-hexanediamines with general formula (I) as follows:

##STR00001##

wherein radicals R.sub.1, R.sub.2, R.sub.3 are each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R.sub.1, R.sub.2, R.sub.3 is a methyl radical,
comprising at least a first reaction between a first halogen atom-free precursor compound and a second halogen atom-free precursor compound.

The first precursor compound comprises a carbon skeleton consisting of a linear sequence of 6 carbon atoms with the 4 central carbon atoms bonded each to 2 hydrogen atoms and the carbon atoms in alpha and omega position not bonded to a halogen atom.

The invention relates to a synthesis method for at least one nitrogen compound belonging to the family of partly N-hydroxyethylated tertiary 1,6-hexanediamines with general formula (I) as follows:

##STR00001##

wherein radicals R.sub.1, R.sub.2, R.sub.3 are each selected indiscriminately among a methyl radical and a hydroxyethyl radical, and at least one radical among R.sub.1, R.sub.2, R.sub.3 is a methyl radical,
comprising at least a first reaction between a first halogen atom-free precursor compound and a second halogen atom-free precursor compound.

The first precursor compound comprises a carbon skeleton consisting of a linear sequence of 6 carbon atoms with the 4 central carbon atoms bonded each to 2 hydrogen atoms and the carbon atoms in alpha and omega position not bonded to a halogen atom.