Shin-etsu Chemical Co., Ltd.

Kyushu University

Yusuke Sunada

Koji Sakuta

Hideo Nagashima

Daisuke Noda

Hiroe Soejima

Hironori Tsutsumi

Toru Hashimoto

Atsushi Tahara

Mina Sawano

Hajime Ogushi

Provided are a novel isocyanide compound, a hydrosilylation reaction catalyst having excellent handling properties and storage properties that allows a hydrosilylation reaction to proceed under moderate conditions by using the isocyanide compound, and a method for producing an addition compound by a hydrosilylation reaction using the hydrosilylation reaction catalyst. A hydrosilylation reaction catalyst prepared from a catalyst precursor comprising a transition metal compound of groups 8, 9, or 10 of the periodic table, excluding platinum, such as an iron carboxylate, cobalt carboxylate, or nickel carboxylate, and a ligand comprising an isocyanide compound having an organosiloxane group.

Isocyanide compound and hydrosilylation reaction catalyst

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.  (In the formula, Rto Rindependently represent a hydrogen atom, an alkyl group which may be substituted by X, or the like; X represents a halogen atom, or the like; Lrepresents 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's are present, two L's may be bonded to each other; Lrepresents a two-electron ligand that is different from a CO ligand or the above-mentioned L, wherein, when multiple L's are present, two L's may be bonded to each other; and mrepresents an integer of 1 to 4 and mrepresents an integer of 0 to 3, wherein the sum total of mand m(i.e., m+m) satisfies 3 or 4.)

Mononuclear iron complex and organic synthesis reaction using same

A hydrosilylation iron catalyst prepared from a two-electron ligand (L) and a mononuclear, binuclear, or trinuclear complex of iron indicated by formula (1), Fe having bonds with carbon atoms included in X and the total number of Fe-carbon bonds being 2-10. As a result of using iron, the hydrosilylation iron catalyst is advantageous from a cost perspective as well as being easily synthesized. Hydrosilylation reactions can be promoted under mild conditions by using this catalyst.Fe(X)&#x2003;&#x2003;(1)(in the formula, each X independently indicates a C2-30 ligand that may include an unsaturated group excluding carbonyl groups (CO groups) and cyclopentadienyl groups, however at least one X includes an unsaturated group, a indicates an integer of 2-4 per Fe atom.)

Hydrosilylation iron catalyst

A hydrosilylation reaction catalyst prepared from: a catalyst precursor comprising a transition metal compound, excluding platinum, belonging to group 8-10 of the periodic table, e.g., iron acetate, cobalt acetate, nickel acetate, etc.; and a ligand comprising an isocyanide compound such as t-butyl isocyanide. The hydrosilylation reaction catalyst has excellent handling and storage properties. As a result of using this catalyst, a hydrosilylation reaction can be promoted under gentle conditions.

Hydrosilylation reaction catalyst

A hydrosilylation reaction catalyst prepared from: a catalyst precursor comprising a transition metal compound, excluding platinum, belonging to group 8-10 of the periodic table, e.g., iron acetate, cobalt acetate, nickel acetate, etc.; and a ligand comprising a carbine compound such as 1,3-dimesitylimidazol-2-ylidene, etc.. The hydrosilylation reaction catalyst has excellent handling and storage properties. As a result of using this catalyst, a hydrosilylation reaction can be promoted under gentle conditions.

A neutral or cationic mononuclear ruthenium divalent complex represented by formula (1) can actualize exceptional catalytic activity in at least one reaction among a hydrosilylation reaction, hydrogenation reaction, and carbonyl compound reduction reaction. (In the formula, R-Reach independently represent a hydrogen atom or an alkyl group, aryl group, aralkyl group, organooxy group, monoorganoamino group, diorganoamino group, monoorganophosphino group, diorganophosphino group, monoorganosilyl group, diorganosilyl group, triorganosilyl group, or organothio group optionally substituted by X; at least one pair comprising any of R-Rand any of R-Rtogether represents a crosslinkable substituent; X represents a halogen atom, organooxy group, monoorganoamino group, diorganoamino group, or organothio group; L each independently represent a two-electron ligand other than CO and thiourea ligands; two L may bond to each other; and m represents an integer of 3 or 4.)

Mononuclear ruthenium complex and organic synthesis reaction using same

Provided is a mononuclear ruthenium complex that comprises a ruthenium-silicon bond that is represented by formula (1) and that exhibits excellent catalyst activity in each of a hydrosilylation reaction, a hydrogenation reaction, and reduction of a carbonyl compound.  In formula (1), R-Reither independently represent an alkyl group, an aryl group, an aralkyl group or the like that may be substituted with a hydrogen atom or X, or represent a crosslinking substituent in which at least one pair comprising one of R-Rand one of R-Ris combined. X represents a halogen atom, an organoxy group, or the like. L represents a two-electron ligand other than CO and phosphine. When a plurality of L are present, the plurality of L may be the same as or different from each other. When two L are present, the two L may be bonded to each other. n and m independently represent an integer of 1 to 3 with the stipulation that n+m equals 3 or 4.

Substituted mononuclear ruthenium complexes for catalysis of synthetic organic reactions

Provided is a mononuclear iron complex that comprises an iron-silicon bond that is represented by formula (1) and that exhibits excellent catalyst activity in each of a hydrosilylation reaction, a hydrogenation reaction, and reduction of a carbonyl compound.  In formula (1), R-Reither independently represent an alkyl group, an aryl group, an aralkyl group or the like that may be substituted with a hydrogen atom or X, or represent a crosslinking substituent in which at least one pair comprising one of R-Rand one of R-Ris combined. X represents a halogen atom, an organoxy group, or the like. L represents a two-electron ligand other than CO. When a plurality of L are present, the plurality of L may be the same as or different from each other. When two L are present, the two L may be bonded to each other. n and m independently represent an integer of 1 to 3 with the stipulation that n+m equals 3 or 4.

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Fukuoka, Japan

Yusuke Sunada