Basf Aktiengesellschaft

The Clorox Company

Basfaktiengesellschaft

Mid-america Commercialization Corporation

Klaus Mundinger

Rolf Schneider

Wolfgang Siegel

Thomas Greindl

Jakob Fischer

Michael Sch&ouml;nherr

Martin Fischer

Alfred G Zielske

James E Deline

Kevin A Klotter

Ulrich Annen

Volker Bomm

Michael M&uuml;ller

Gregor Sch&uuml;rmann

Franz Merger

William L Smith

Rainer Becker

Toni Dockner

Tom Witzel

Klemens Massonne

Manfred Julius

Arend Jouke Kingma

Lafayette D Foland

Wolfgang Reif

Horst Neuhauser

Rudi Widder

Gerold Braun

Dagmar Pascale Kunsmann-Keitel

Stefan Koser

Alfred Ruland

Gerhard Laqua

Wolfgang Kasel

Gerald Meyer

Martin Scholtissek

Martin A Phillippi

Martin J Phillippi

Gunter Scherhag

Andreas Gieseler

Sarah A Perkins

Gregor Schurmann

Dieter B&ouml;ckh

Wolfgang Sch&auml;fer

Josef M&uuml;ller

Hans-J&uuml;rgen Kinder

Ingo M&uuml;nster

The present invention describes a process for preparing isophoronenitrile by adding HCN to isophorone. The catalyst used is CaO which has a BET surface area of >1.5 m /g. The use of such a catalyst achieves high yields and selectivities.

CaO-catalyzed preparation of isophoronenitrile

N-alkyl ammonium acetonitrile salts, methods therefor and compositions therewith

A process for preparing bisphenol alkoxylates comprises reacting at least one bisphenol with alkylene oxide in the presence of a phosphine catalyst which is essentially free of alkali metal hydroxide.

Method for producing bisphenol alcoxylates

Method of preparing granular N-alkyl-ammoniumacetonitrile salts

A process is provided for the preparation of a compound having the structure of Formula I

Process for preparing N-alkyl ammonium acetonitrile compounds

The disclosure is a process for preparing mixtures of monoolefinic C,mononitriles having nonconjugated C&boxH;C&mdash; and C&equiv;N bonding by catalytic hydrocyanation of a hydrocarbon mixture containing 1,3-butadiene, by first diminishing the proportion of those components in the hydrocarbon mixture which impair the catalytic hydrocyanation and then subjecting the resulting mixture to catalytic hydrocyanation.

Monoolefinic C5 mononitriles, method for the production and the use thereof

1,3-Dimethylimidazolium 4-carboxylate is prepared by reacting 1-methylimidazole with dimethyl carbonate optionally in the presence of a solvent in accordance with the following reaction scheme:

Process for the preparation of 1,3-dimethylimidazolium 4-carboxylate

Textile detergent formulation on the basis of quaternized glycine nitriles, bleaching agents, nonionic and/or anionic tensides and calcium ion and/or magnesium ion sequestering compounds

Substituted guanidine derivatives of the formula I ##STR1## are prepared by reacting calcium cyanamide with a primary or secondary amino carboxylic acid or a primary or secondary amino sulfonic acid or their derivatives of the formula II ##STR2## where the substituents R.sup.1 and R.sup.2 have the meanings explained in the description.

Preparation of substituted guanidine derivatives

Cyanoacetic esters are prepared by reacting a corresponding monochloroacetic ester with hydrogen cyanide in the presence of a base, where the base is a compound selected from the group consisting of tertiary amines, salts of carbonic acid, salts of carbonic acid monoesters, salts of carboxylic acids, amidines, guanidines and aromatic N-heterocyclic compounds.

Preparation of cyanoacetic esters

Substituted guanidine derivatives of the formula I ##STR1## are prepared by a) converting urea into an alkylated isourea of the formula II ##STR2## and b) reacting the alkylated isourea with a primary or secondary amine of the formula III ##STR3## where the substituents R.sup.1, R.sup.2 and R.sup.10 have the meanings explained in the description.

Process for preparing phthalides

In a process for preparing 3-cyano-3,5,5-trimethylcyclohexanone by reacting isophorone with hydrogen cyanide at from 80 to 220.degree. C. in the presence of a catalyst, the reaction is carried out in the presence of the betaine 1,3-dimethylimidazolium-4-carboxylate.

Preparation of 3-cyano-3, 5, 5-trimethylcyclohexanone

Substituted guanidine derivatives of the formula I, ##STR1## are prepared by reacting haloformamidinium salts of the formula II, ##STR2## where Hal can be Cl, F, Br and I, with primary or secondary amines of the formula III ##STR3## where the substituents R.sup.1 and R.sup.2 have the meanings explained in the description.

Preparation of substituted guanidine derivative

Substituted guanidine derivatives of the formula I, ##STR1## are prepared by a) reacting calcium cyanamide with an alcohol of the formula R.sup.10 --OH to give an isourea derivative of the formula II, ##STR2## and b) reacting the substituted isourea with a primary or secondary amine of the formula III, ##STR3## where the substituents R.sup.1 and R.sup.2 and R.sup.10 have the meanings explained in the description.

Growing community of inventors

Limburgerhof, Germany

Klaus Mundinger