C07C209/50

CATALYST FOR HYDROSILYLATION REACTION, HYDROGENATION REACTION, AND HYDROSILANE REDUCTION REACTION

Provided is a catalyst which comprises a compound represented by formula (1) and which exhibits activity for at least one type of reaction selected from among hydrosilylation reaction or hydrogenation reaction with respect to an aliphatic unsaturated bond and hydrosilane reduction reaction with respect to a carbon-oxygen unsaturated bond or a carbon-nitrogen unsaturated bond. Formula (1): M.sub.n(L.sub.m) {M represents Fe, Co, or Ni having an oxidation number of 0, L represents an isocyanide ligand represented by formula (2), n denotes an integer of 1-8, and m denotes an integer of 2-12. Formula (2): (CN).sub.xR.sup.1 (R.sup.1 represents a mono- to trivalent-organic group having 1-30 carbon atoms, optionally being substituted by a halogen atom, and optionally having interposed therein one or more atoms selected from among O, N, S, and Si; and x denotes an integer of 1-3)}.

Process for preparation of trientine dihydrochloride

The present invention provides a process for preparation of trientine dihydrochloride (1) comprising reaction of protected triethylene tetramine with hydrochloric acid in an aqueous system to yield the dihydrochloride salt wherein the formation of inorganic impurities and undesired salts is controlled significantly.

Process for preparation of trientine dihydrochloride

The present invention provides a process for preparation of trientine dihydrochloride (1) comprising reaction of protected triethylene tetramine with hydrochloric acid in an aqueous system to yield the dihydrochloride salt wherein the formation of inorganic impurities and undesired salts is controlled significantly.

Molecular Catalysts for Selective Hydrogenolysis of Amides

A compound by the name 1,1,1-tris(di(3,5-dimethoxyphenyl)phosphino-methyl)ethane. The compound can be represented by the structure of formula (I):

##STR00001##

The compound is useful as a ligand for ruthenium to form an organometallic complex. The complex is an active catalyst for the hydrogenolysis of amides to form amines and optionally alcohols.

Molecular Catalysts for Selective Hydrogenolysis of Amides

A compound by the name 1,1,1-tris(di(3,5-dimethoxyphenyl)phosphino-methyl)ethane. The compound can be represented by the structure of formula (I):

##STR00001##

The compound is useful as a ligand for ruthenium to form an organometallic complex. The complex is an active catalyst for the hydrogenolysis of amides to form amines and optionally alcohols.

Enamide process

A convenient method for converting oximes into enamides is disclosed. The process produces enamides without the concomitant production of a large volume of metallic waste. ##STR00001## The enamides are useful precursors to amides and amines.

Enamide process

A convenient method for converting oximes into enamides is disclosed. The process produces enamides without the concomitant production of a large volume of metallic waste. ##STR00001## The enamides are useful precursors to amides and amines.

Enamide process

A convenient method for converting oximes into enamides is disclosed. The process produces enamides without the concomitant production of a large volume of metallic waste. ##STR00001## The enamides are useful precursors to amides and amines.

PROCESS FOR PRODUCING LONG CHAIN AMINO ACIDS AND DIBASIC ACIDS
20190292134 · 2019-09-26 ·

There is disclosed a process for the production of dodecanedioic acid and 11-aminoundecanoic acid, comprising: (1) reacting castor oil with a primary or secondary amine to form a amide; (2) isomerizing the amide in the presence of a catalyst to form ketoamide; (3) reacting the ketoamide with hydroxylamine to form the oximeamide; (4) subjecting the oximeamide to Beckmann rearrangement to yield a mixture of two diamides; and (5) hydrolyzing the mixed diamides to produce dodecanedioic acid, 11-aminoundecanoic acid, hexylamine and heptanoic acid.

PROCESS FOR PRODUCING LONG CHAIN AMINO ACIDS AND DIBASIC ACIDS
20190292134 · 2019-09-26 ·

There is disclosed a process for the production of dodecanedioic acid and 11-aminoundecanoic acid, comprising: (1) reacting castor oil with a primary or secondary amine to form a amide; (2) isomerizing the amide in the presence of a catalyst to form ketoamide; (3) reacting the ketoamide with hydroxylamine to form the oximeamide; (4) subjecting the oximeamide to Beckmann rearrangement to yield a mixture of two diamides; and (5) hydrolyzing the mixed diamides to produce dodecanedioic acid, 11-aminoundecanoic acid, hexylamine and heptanoic acid.