Solvay Fluor Und Derivate Gmbh

Solvay Sa

Solvay Fluor Gmbh

Solvay (societe Anonyme)

Other

Next Energy Technology, Inc.

Solvaytflour Und Derivate Gmbh

Next Energy Technologies, Inc.

Max Josef Braun

Kerstin Eichholz

Stefan Palsherm

Werner Rudolph

Uta Claassen

Carsten Brosch

Francine Janssens

Alain Lambert

Johannes Eicher

Pascal Pennetreau

Matthias Rieland

Corey Vernon Hoven

Arnold Bernarte Tamayo

Thomas Kuchurean Wood

Janis Jaunzems

Priyam Patel

Braden Gmelin Smith

Heinz Gress

Sara Claessens

Andres Garcia

Heinz-Rudi Feist

Eckhard Hausmann

Rachel A Harris

Dieter Woehrle

Matthew Thomas Lloyd

Reiner Fischer

Stefanie Nauert

Wilhelm Pohlmeyer

Bruno John Anthony Caputo

Sebastian Gutmann

Francine Jannssens

Joachim Frehse

Rachel Ann Harris

Electronic or optoelectronic device comprising a first electrode, a second electro, and an active layer arranged between and in electrical connection with the first and the second electrode. The active layer comprises at least one dye compound, which comprises small-molecule organic solar cells.

Fluorinated dye compounds for organic solar cells

Salts of N-containing heterocyclic anions as components in electrolytes Novel uses of salts of N-containing heterocyclic anions, novel salts of fluorinated N-containing heterocyclic anions and method for producing the same are described. Preferred compounds have a pyrimidone or a pyrazole ring structure bearing a trifluoromethyl group and a metal counter ion.

Salts of N-containing heterocyclic anions as components in electrolytes

The present invention concerns a process for the obtention of a halogenated carboxylic halide having a reduced content of impurities, a fraction of the halogenated carboxylic halide having a reduced content of impurities, and its use in the manufacture of agriculturally and pharmaceutically active compounds.

Distillation process comprising at least two distillation steps to obtain purified halogenated carboxylic acid halide, and use of the purified halogenated carboxylic acid halide

Disclosed are certain fluorinated derivatives of Meldrum's acid as novel compounds, preparation methods for the same, their use in Li ion batteries, Li air batteries and Li sulphur batteries as well as solvent compositions, electrolyte compositions and respective batteries containing them.

Fluorinated derivatives of meldrum's acid, a method for the preparation of the same, and their use as a solvent additive

A process for the manufacture of an alkenone comprising the steps of: (a) providing a halogenated precursor of the alkenone and (b) subjecting at least a fraction of the halogenated precursor of step (a) to a thermolysis reaction to form a reaction mixture comprising the alkenone and a hydrogen halide wherein the hydrogen halide is removed from the reaction mixture by cyclonic separation is described.

Process for the manufacture of alkenones

Process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium using an equipment having at least one surface in contact with the liquid reaction medium, wherein said surface consists of a material selected from glass, polytetrafluoroethylene and nickel based metal alloy.

Process for the manufacture of halogenated precursors of alkenones and of alkenones

Use of TiOFas semiconductor in a photoelectric conversion device, in particular in a dye-sensitized solar cell. A photoelectric conversion device, in particular a dye-sensitized solar cell, comprising a semiconductor layer containing at least TiOF. The TiOFis preferably used in the form of nanoparticles. Dyes, method(s) of making them, and their use in photoelectric conversion devices, especially in dye-sensitized solar cells. A dye-sensitized solar cell comprising at least one fluorinated compound as a dye and at least TiOFas semiconductor.

Photoelectric conversion device using TiOF2 as semiconductor

A process for the manufacture of Sevoflurane CF&#x2014;CH(OCHF)&#x2014;CFwhich comprises (a) manufacturing a substituted malonic acid derivative of formula (I): ROOC&#x2014;CH(OCHX)&#x2014;COORor of formula (II): RHNOC&#x2014;CH(OCHX)&#x2014;CONHR, wherein X is OH or a leaving group which can be substituted by nucleophilic substitution and wherein R, RR, R, equal to or different from each other, are independently selected from the group consisting of H, an alkyl group having from 1 to 10 carbon atoms which is optionally substituted by at least one halogen atom, an aralkyl group, and an aryl group; and (b) further reacting said malonic acid derivative as intermediate for the manufacture of Sevoflurane CF&#x2014;CH(OCHF)&#x2014;CF.

Process for the manufacture of Sevoflurane

A process for the manufacture of pyrazole-4-carboxamides, in particular, of 3-difluoromethyl-1-methyl-1H-pyrazole-4-carboxamides which are useful as pharmaceuticals and agrochemicals. The carboxamides are prepared from the corresponding pyzole-4-carboxylic acid esters and appropriate amine in the presence of a base. The reaction is performed in a reaction medium which is essentially free of water; alternatively, the base is used in an amount equal to or greater than 0.25 equivalents per mole of amine.

Process for the preparation of pyrazole-4-carboxamides

A process for the manufacture of an ester or the respective free acid of a 1-substituted-3-fluoroalkyl-pyrazole-4-carboxylic acid of formula (I), wherein in such formula (I), Y is H, F or an alkyl group having from 1 to 12 carbon atoms which is optionally substituted by at least one halogen atom, an aralkyl group or an aryl group; Ris H or an organic residue; Ris H or an organic residue. Such process comprises submitting a compound of formula (II) to a reduction reaction, wherein in such formula (II), Y is the same as defined for formula (I); X is Cl, Br or I; R' is H or an organic residue; and R&#x2032; is H or an organic residue. 

Process for the preparation of esters of 1-substituted-3-fluoroalkyl-pyrazole-4-carboxylic acids

Process for synthesizing a chemical, in particular an agriculturally or pharmaceutically active compound, including: a first step comprising reacting a carboxylic acid halide with a vinyl ether to prepare a halogenated precursor of an alkenone; a second step comprising eliminating hydrogen halide from such precursor to form an alkenone, preferably by thermolysis under specific conditions; and a third step which uses the formed alkenone as a building block to synthesize the chemical. First step may be done in a liquid reaction medium comprising an alkenone or a halogenated alkenone precursor, or in a liquid reaction medium in turbulent state, specifically by creation of gas bubbles of the carboxylic acid halide herein. Second step may include a flash thermolysis, vacuum thermolysis, thermolysis under stripping with inert gas, and/or a thermolysis at a temperature from &#x3e;90&#xb0; C. to 120&#xb0; C. Third step preferably comprises reacting the alkenone with a nitrogen-containing compound.

Process for chemical synthesis from an alkenone made from a halogenated precursor

A process for preparing a halogenated precursor of an alkenone, which comprises reacting a carboxylic acid halide with a vinyl ether in a liquid reaction medium under turbulent conditions and a process for preparing an alkenone, by eliminating hydrogen halide from said precursor to form the alkenone.

Process for the manufacture of halogenated precursors of alkenones under specific conditions

Process for preparing an alkenone, which comprises (a) reacting a carboxylic acid halide with a vinyl ether by introducing vinyl ether into a liquid reaction medium containing carboxylic acid halide to form a halogenated precursor of the alkenone and (b) eliminating hydrogen halide from said precursor to form the alkenone.

Esters of 4-fluorosubstituted 3-oxo-alcanoic acids can be prepared by addition reaction of ketene with the respective acid chloride, subsequent esterification and hydrodechlorination. Preferred reaction products are esters of 4,4-difluoro-3-oxo-butanoic acid.

Process for the preparation of esters of 4-fluorosubstituted 3-oxo-alcanoic acids

Process for preparing an alkenone, which comprises the following steps: (a) providing a halogenated precursor of the alkenone; and (b) eliminating the hydrogen halide from said precursor to form the alkenone by a thermolysis treatment selected from the group consisting of flash thermolysis, vacuum thermolysis, and thermolysis under stripping with inert gas.

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Wedemark, Germany

Max Josef Braun