C07C321/14

Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same
11639362 · 2023-05-02 · ·

The present invention relates to a transition metal complex having a PNNP4 ligand, which is easy to manufacture and handle and is relatively inexpensively available, and a method for manufacturing the same, as well as a method using this transition metal complex as a catalyst for hydrogenation reduction of ketones, esters and amides to manufacture corresponding alcohols, aldehydes, hemiacetals and hemiaminals, a method using this transition metal complex as a catalyst for oxidation of alcohols, hemiacetals and hemiaminals to manufacture corresponding carbonyl compounds, and a method using this transition metal complex as a catalyst for dehydrogenation condensation between alcohols and amines to manufacture alkylamines.

Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same
11639362 · 2023-05-02 · ·

The present invention relates to a transition metal complex having a PNNP4 ligand, which is easy to manufacture and handle and is relatively inexpensively available, and a method for manufacturing the same, as well as a method using this transition metal complex as a catalyst for hydrogenation reduction of ketones, esters and amides to manufacture corresponding alcohols, aldehydes, hemiacetals and hemiaminals, a method using this transition metal complex as a catalyst for oxidation of alcohols, hemiacetals and hemiaminals to manufacture corresponding carbonyl compounds, and a method using this transition metal complex as a catalyst for dehydrogenation condensation between alcohols and amines to manufacture alkylamines.

Thiol compounds, synthesis method therefor, and utilization of said thiol compounds

The purpose of the present invention is to provide: novel thiol compounds; a method for synthesizing said thiol compounds; curing agents containing said thiol compounds; resin compositions containing said thiol compounds and an epoxy compound; and resin compositions containing said thiol compounds and an ene compound having a carbon-carbon double bond in a molecule. Furthermore, the purpose of the present invention is to provide adhesives and sealants having these resin compositions as ingredients. The thiol compounds of the present invention are represented by chemical formula (I) to chemical formula (VII).

Thiol compounds, synthesis method therefor, and utilization of said thiol compounds

The purpose of the present invention is to provide: novel thiol compounds; a method for synthesizing said thiol compounds; curing agents containing said thiol compounds; resin compositions containing said thiol compounds and an epoxy compound; and resin compositions containing said thiol compounds and an ene compound having a carbon-carbon double bond in a molecule. Furthermore, the purpose of the present invention is to provide adhesives and sealants having these resin compositions as ingredients. The thiol compounds of the present invention are represented by chemical formula (I) to chemical formula (VII).

Process for the preparation of compounds with at least one alkylene group and at least one thiol or thiolate group

A process synthesizes a compound with at least one alkylene group and at least one thiol or thiolate group. The process involves reacting a compound with at least one five-membered cyclic monothiocarbonate group with a starter selected from a compound with at least one thiol group, from a compound with at least one hydroxy group, or from a basic inorganic composed; to obtain a compound with at least one alkylene group and at least one thiol or thiolate group and carbon dioxide.

Process for the preparation of compounds with at least one alkylene group and at least one thiol or thiolate group

A process synthesizes a compound with at least one alkylene group and at least one thiol or thiolate group. The process involves reacting a compound with at least one five-membered cyclic monothiocarbonate group with a starter selected from a compound with at least one thiol group, from a compound with at least one hydroxy group, or from a basic inorganic composed; to obtain a compound with at least one alkylene group and at least one thiol or thiolate group and carbon dioxide.

POLYTHIOL COMPOSITION AND OPTICAL COMPOSITION COMPRISING SAME

A polythiol composition according to exemplary embodiments includes at least two different polythiol-based compounds, wherein a peak area (%) of the polythiol compound represented by C8H18S6, which is measured through a high performance liquid chromatographic (HPLC) analysis graph obtained at a wavelength of 230 nm, ranges from 0.90% to 1.30%. By controlling the sub-polythiol compound, an optical product having excellent transmittance and optical properties can be manufactured.

POLYTHIOL COMPOSITION AND OPTICAL COMPOSITION COMPRISING SAME

A polythiol composition according to exemplary embodiments includes at least two different polythiol-based compounds, wherein a peak area (%) of the polythiol compound represented by C8H18S6, which is measured through a high performance liquid chromatographic (HPLC) analysis graph obtained at a wavelength of 230 nm, ranges from 0.90% to 1.30%. By controlling the sub-polythiol compound, an optical product having excellent transmittance and optical properties can be manufactured.

TRISULFIDE COMPOUND

A compound represented by Formula (1) below or a salt thereof.

##STR00001##

TRISULFIDE COMPOUND

A compound represented by Formula (1) below or a salt thereof.

##STR00001##