Basf Se Corporation

Basf Aktiengesellschaft

Andreas Leitner

Robert Baumann

Wolfgang Siegel

Hermann Luyken

Peter Pfab

Tobias Aechtner

Jens Scheidel

Gerd Haderlein

Michael Bock

Andrea Haunert

Axel Franzke

Thomas Genger

Matthias Kloetzer

Andreas Glass

Roderich Roettger

The object of the invention is to provide a process for preparing urethanes by reacting aromatic amines with a dialkyl carbonate, wherein the alkyl radical of the organic dialkyl carbonate comprises from 2 to 18 carbon atoms, and the reaction is carried out in the presence of a base.

Method for producing urethanes composed of mono and di-functional aromatic amines

The invention provides metal carbamates of the general formula (I) where Rand Rare each an alkyl group.

Metal carbamates formed from diaminophenylmethane

The invention provides metal carbamates of the general formula (I) where R1 and R2 are the same or different and are each an alkyl group having 1-18 carbon atoms and M is an alkali metal atom.

Metal carbamates formed from tolylenediamines

A process for preparing urethanes by reacting aromatic diamines with a dialkyl carbonate, wherein the alkyl radical of the organic dialkyl carbonate comprises 2-18 carbon atoms and one or more heteroatoms and the reaction is performed in the presence of a catalyst.

Method for producing urethanes composed of di-functional aromatic amines and dialkyl carbonates

A process for isomerizing cis-2-pentenenitrile to 3-pentenenitriles, by isomerizing cis-2-pentenenitrile with amidines, tertiary amines or mixtures thereof as a catalyst at temperatures of 80 to 200&#xb0; C. and a pressure of 0.01 to 50 bar.

Process for isomerizing CIS-2-pentenenitrile to 3-pentenenitriles

The invention provides metal carbamates of the general formula (I) where R1 and R2 are each an alkyl group.

An process for preparing 3-pentenenitrile by hydrocyanating 1,3-butadiene, in which the process yield with regard to recycled 1,3-butadiene is maximized.

Method for producing 3-pentenenitrile by means of the hydrocyanation of 1,3-butadiene

Method of producing compounds of the general formulaXPR(OR)&#x2003;&#x2003;Iawhere X is chlorine, bromine or iodine and Ris an organic radical, by reacting compounds of the general formulaXPR&#x2003;&#x2003;II,in which X has the meaning given above and Ris an organic radical, with compounds of the general formulaROH&#x2003;&#x2003;III,in which Rhas the meaning given above, to give a mixture IV, in that

Method for producing organic phosphorous compounds containing halogens

A process for preparing nickel(0)-phosphorus ligand complexes comprising at least one nickel(0) central atom and at least one phosphorus ligand by reacting a nickel(II) compound with a reducing agent in the presence of the ligand to give a reaction mixture, wherein

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Pittsburg, PA, United States of America

Andreas Leitner