Basf Se Corporation

Other

Ruprecht-karls-universitat Heidelberg

Julius-maximilians-universitat Wurzburg

Basf Se (reitstÖtter, Kinzebach & Partner)

Stefan Rüdenauer

Ralf Pelzer

Klaus Ebel

Miriam Bru Roig

Thomas Fenlon

Andreas Keller

Martin Bock

Timon Stork

Shrirang Bhikaji Hindalekar

Andreas Lanver

Vijay Narayanan Swaminathan

Rocco Paciello

Andrei-Nicolae Parvulescu

Thomas Schaub

Wolfgang Krause

Daniel Schneider

Volker Hickmann

Nitin Gupte

Margarethe Klos

Rudolf Schuch

Sumana Chaturvedula

Joaquim Henrique Teles

Wolfgang Siegel

Ulrich Müller

Michael Breuer

Stephan Maurer

Jochen Steiner

Manuel Danz

Gerhard Bringmann

Melanie Weingarten

Reto Brun

Julia Strautmann

Martine Dehn

Peter Hofmann

Albert Werner

Martine Weis

Andreas Ernst

Stephanie Renz

Marta Porta Garcia

Prachin Kolambkar

Sadanand Ardekar

Karsten Bartling

Christian Rein

Manik Chatterjee

Abhijeet Deb Roy

Tobias Voitl

Nisha Pansare

Andreas Irmer

Ralf Bargou

Anastasia Voskobojnik

Ebel Klaus

Sebastian Schmidt

Shrirang Hindalekar

Francis Bocris

Vijay Swaminathan

The present invention relates to a method for the regioselective hydroformylation of polyunsaturated acyclic hydrocarbons, which are 1, 3 butadienes, which, in the 2 position, bear a saturated or monounsaturated or polyunsaturated acyclic hydrocarbon radical. The present invention also relates to the production of secondary products of these hydroformylation products, especially of ambrox.

Method for the hydroformylation of 2-substituted butadienes and the production of secondary products thereof, especially ambrox

A process for preparing an arylpropene from a diarylpropane by gas phase thermolysis in the presence of solid porous catalyst comprising silica having large pore volume and low acidity.

Process for preparing an arylpropene

The present invention relates to a method for preparing compounds having a 16-oxabicyclo[10.3.1]pentadecene skeleton, specifically 14-methyl-16-oxabicyclo[10.3.1]pentadecenes, and conversion products thereof.

Method for the preparation of compounds having a 16-oxabicyclo[10.3.1]pentadecene scaffold and the subsequent products thereof

The present invention relates to a method for preparing 2-substituted 4-hydroxy-4-methyltetrahydropyrans from starting materials comprising at least one 2-alkyl-4,4-dimethyl-1,3-dioxane.

Production of 2-substituted 4-hydroxy-4-methyl-tetrahydropyrans from starting materials containing 2-alkyl-4,4-dimethyl-1,3-dioxanes

A process for preparing an arylpropene from a diarylpropane by gas phase thermolysis in the presence of boron containing zeolitic material comprising a membered ring (MR) pore system greater than 10 MR.

The present invention relates to a process for preparing 3-methylcyclopentadecane-1,5-diol (I) by hydrogenolysis of 14-methyl-16,17,18-trioxatricyclo[10.3.2.1]octadecane (II). The invention further relates to a process for preparing 3-methylcyclopentadecane-1,5-diol is a macrocyclic diol that can serve as precursor for a macrocyclic odorant, such as muscone and muscenone.

Process for preparing 3-methylcyclopentadecane-1,5-diol

The present invention relates to the use of isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate for use as aroma chemicals. The invention further relates to a process for the preparation of isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate and the products obtainable by this process. The invention further relates to a fragrance or aroma substance composition which comprises isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetra-hydropyran-4-yl) acetate, a method for imparting, and/or boosting an odor or taste of a product, and also perfumed or aromatized products which comprise isomerically pure or highly isomerically enriched cis- or trans-(2-isobutyl-4-methyltetrahydropyran-4-yl) acetate.

Use of isomerically pure or highly isomer-enriched cis- or trans-(2-isobutyl-4-methyl-tetrahydropyran-4-yl)acetate

The present invention relates to a process for preparing 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one, which comprises a) providing 6,10-dimethylundeca-1,5,9-trien-4-ol, b) oxidizing 6,10-dimethylundeca-1,5,9-trien-4-ol provided in step a) with an oxidizing agent in the presence of at least one organic nitroxyl radical, at least one nitrate compound and an inorganic solid to yield 6,10-dimethylundeca-1,5,9-trien-4-one, c) reacting the 6,10-dimethylundeca-1,5,9-trien-4-one obtained in step b) with an acid to yield 1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one.

Process for preparing &#x3b1;-damascone

The present invention relates to a method for preparing tetrahydropyranyl esters from the corresponding 4-hydroxytetrahydropyran compounds by reaction with a ketene compound.

Method for producing tetrahydropyranyl esters

The present invention relates to a process for preparing, 4-bis(ethoxymethyl)cyclohexane, which comprises reacting 1,4-bis(hydroxymethyl)cyclohexane with ethyl chloride in the presence of an inorganic base, a solvent and a phase transfer catalyst to yield a reaction mixture containing 1,4-bis(ethoxymethyl)cyclohexane, where the inorganic base is selected from alkali metal hydroxides and earth alkaline metal hydroxides and where the solvent is selected from water or a mixture of water with at least one organic solvent.

Process for preparing 1,4-bis(ethoxymethyl)cyclohexane

The present invention relates to a process for producing 3-methylcyclopentadecane-1,5-dione of formula (I), which comprises the oxidation of 14-methyl-bicyclo[10.3.0]pentadecen[1 (12)] of formula (II) with an oxidizing agent, where the oxidation is performed by using a mixture of formic acid with HOas sole oxidizing agent in the presence of water and where the amount of HOis at least 1.1 mol HOper mol of the compound of formula (II). 

Process for preparing 3-methylcyclopentadecane-1,5-dione

The present invention relates to a process for preparing a macrocyclic diketone compound of the formula (I), which comprises the oxidation of a bicycloolefine compound of the formula (II) with an oxidizing agent, formulae (I) (II) where in formulae (I) and (II) A is (CH)with n being an integer from 2 to 12, where two hydrogen atoms may be replaced by C-C-alkyl, in particular methyl, or two hydrogen atoms, which are bound to adjacent carbon atoms may be replaced by a fused 5- or 6-membered saturated carbocycle; B is (CH)with m being 1 or 2, where 1 or 2 hydrogen atoms may be replaced by C-C-alkyl, in particular methyl. 

Process for preparing a macrocyclic diketone

The invention relates to a method for producing 2-substituted 4-methyl-tetrahydropyrans of general formula (I) from starting materials containing at least one 2-substituted 4,4-dimethyl-1,3-dioxane of general formula (II).

Production of 2-substituted 4-methyl-tetrahydropyrans from starting materials containing 2-alkyl-4,4-dimethyl-1,3-dioxanes

The present invention relates to 1-(7,10,10-trimethyl-4-bicyclo[6.2.0]decanyl)ethanone, the use of 1-(7,10,10-trimethyl-4-bicyclo[6.2.0]decanyl)ethanone as a fragrance or as flavor, to a method for imparting or modifying a scent or a flavor to a composition by including said compound into such composition, to a fragrance containing composition and/or a fragrance material containing said compound and to a process for preparing 1-(7,10,10-trimethyl-4-bicyclo[6.2.0]decanyl)ethanone.

1-(7,10,10-trimethyl-4-bicyclo(6.2.0)decanyl)ethanone as novel aroma chemical

The present invention relates to a process for the preparation of 1-(2,6,6-trimethylcyclohexylyalkan-3-ols, in particular 1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol. The invention further relates to 5-alkoxy-1-(2,6,6-trimethylcyclohexenyl)-1-alken-3-ones and the use of these as a fragrance or as flavor, to a fragrance containing composition and/or a fragranced product containing 5-alkoxy-1-(2,6,6-trimethylcyclohexenyl)-1-alken-3-ones and to a method for imparting or modifying a scent or a flavor to a composition by including said alkoxyalkenones into such composition.

Process for the preparation of 1-(2,6,6-trimethylcyclohexyl)-alkan-3-ols

Growing community of inventors

Weinheim, Germany

Stefan Rüdenauer