E.i. Dupont De Nemours and Company

Other

Dsm N.v.

Invista North America S.a.r.l.

E.i. Du Pont De Nmeours and Company

Emilio Enrique Bunel

Kenneth Gene Moloy

Ronnie Ozer

Sourav Kumar Sengupta

Theodore Augur Koch

Kathryn Eileen Schwiebert

Leo Ernest Manzer

Nora Sabina Radu

Wilson Tam

Helen S M Lu

Patrick M Burke

Joe Douglas Druliner

Shawn H Phillips

Manxue Wang

Michael Brian D'Amore

David Alan Clark

Bruce Edwin Murphree

Leon S Scott

Chen-Chou Chiang

Erik J Schaumann

Kenneth C McNulty

Shawn Homer Phillips

Marisa Bonilla

Disclosed in a process for making (1) a compound of the formula NC&#x2014;CH&#x2014;CH&#x2014;CH&#x2014;CH&#x2014;COR', wherein R&#x2032; is H or Cto Calkyl, or (2) adipic acid or (3) dimethyl adipate, using as the substrate, 3-pentenenitrile, (2) 3-pentenoic acid or methyl 3-pentenoate, respectively, by contacting the substrate with carbon monoxide and a nucleophile in the presence of a Group VIII metal, a selected ligand, and an acid promoter. The nucleophile, which (a) an alcohol or water, or (b) water or (c) methanol, respectively, in the presence of a Group VIII metal, preferably palladium, a selected phosphine ligand, and an acid promoter.

Process for making 5-cyanovaleric acid, adipic acid or dimethyl adipate

Process for making 5FVN, comprising contacting in a reactor 3PN with CO and hydrogen in the presence of a catalyst, the catalyst comprising recycled catalyst that is reactivated using hydrogen.

Process for making 5-formylvaleronitrile using reactivated catalyst

Hydroformylation of conjugated dienes to alkenals using phosphonite ligands

This invention relates to multidentate organic phosphite ligands and their compositions with Group VIII metals.

Bidentate organic phosphite ligands and compositions

A process for making 6-aminocaproic acid by hydroformylating 3-pentenenitrile to produce 3-, 4-, and 5-formylvaleronitrile (FVN mixture), oxidizing the FVN mixture to produce 3-, 4-, and 5-cyanovaleric acid; hydrogenating the resulting product to produce 6-aminocaproic acid, 5-amino-4-methylvaleric acid, and 4-amino-3-ethylbutyric acid; and isolating 6-aminocaproic acid from the reaction product. The resulting 6-aminocaproic acid can be cyclized to produce caprolactam.

Production of 6-aminocaproic acid

Supported bis(phosphorus) ligands are disclosed for use in hydroformylation reactions, including the hydroformylation of olefins. Catalysts are formed when the ligands are complexed with a catalytically active metal (e.g., rhodium or iridium).

Hydroformylation of olefins using supported bis(phosphorus) ligands

A process for making alkyl 6-aminocaproate by hydroformylating 3-pentenenitrile to produce 3-, 4-, and 5-formylvaleronitrile (FVN mixture), converting the FVN mixture to alkyl 3-, 4-, and 5-cyanovalerate by either oxidative esterification of the FVN mixture or oxidation of the FVN mixture followed by esterification; isolating alkyl 5-cyanovalerate; and hydrogenating the alkyl 5-cyanovalerate to produce alkyl 6-aminocaproate. The resulting alkyl 6-aminocaproate can be cyclized to produce caprolactam.

Production of alkyl 6-aminocaproate

Phosphonite ligands, catalyst compositions and hydroformylation process utilizing same

A process for hydroformylatiog acyclic monoethylenically unsaturated compounds to corresponding terminal aldehydes using a Group VIII transition metal and selected multidentate phosphite ligands.

Hydroformylation of acyclic monoethylenically unsaturated compounds to corresponding terminal aldehydes

The present invention provides an improved hydroformylation process in which the catalyst system is composed of a Group VIII metal and organic phosphite ligand having the structure P(OR),-OR&prime;O&mdash;P(OR),or P(OR),, where R and R&prime; are organic residues which may be the same or different and where the R or R&prime; contain at least one C9 to C40 aliphatic group positioned as a tail extending away from the primary ligand structure rendering the ligand lipophilic.

Process of preparation of linear aldehydes

Process for producing 6-aminocapronitrile and/or hexamethylenediamine by hydroformylating 3-pentenenitrile, isolating a formylvaleronitrile (FVN) mixture from the hydroformylation reaction product, reductively aminating the FVN mixture and isolating the desired product.

Process for the production of 6-aminocapronitrile and/or

The present invention provides a process for hydrocyanation comprising reacting a nonconjugated, ethylenically unsaturated compound in a two phase process solvent with HCN in the presence of a Lewis acid promoter and a catalyst system comprising zero-valent nickel and an organic phosphorous containing ligand having the structure (PR.sub.2).sub.n R' where n is an integer from 1 to 2, R and R' are organic residues which may be the same or different and where the R or R' contain at least one C9 to C40 aliphatic group positioned as a tail extending away from the primary ligand structure rendering the ligand lipophilic.

Process for the hydrocyanation of monoolefins using bidentate phosphite

Palladium catalyst residue is recovered from still heels by treating the still heels with hydrochloric acid, converting the palladium component to crotyl palladium chloride, and using the crotyl palladium chloride as catalyst in the carbonylation of chlorobutene to 3-pentenoyl chloride.

Catalyst recovery in the carbonylation of chlorobutenes to pentenoyl

Preparation of 3-pentenoic acid by the reaction of 3-pentenoylchloride, water and butadiene. 3-chloro-1-butene and 1-chloro-2-butene are also formed. Preferably the 3-pentenoylchloride is formed by the reaction of chlorobutene with carbon monoxide using a palladium catalyst.

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Wilmington, DE, United States of America

Emilio Enrique Bunel