Results for dihydrothiophène translation from French to English

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dihydrothiophène

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French

procédé de préparation des dérivés du thiophène et oxide de dihydrothiophène-1

English

process for the preparation of thiophene derivatives and dihydrothiophen-1-oxides

Last Update: 2014-11-25
Usage Frequency: 8
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French

le composé qui est la tétrafluoro-2,5-dihydrothiophène-2-one.

English

the compound tetrafluoro-2,5-dihydrothiophene-2-one.

Last Update: 2014-12-04
Usage Frequency: 2
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French

le composé qui est la difluoro-2,5-dihydrothiophène-2,5-dione.

English

the compound difluoro-2,5-dihydrothiophene-2,5-dione.

Last Update: 2014-12-04
Usage Frequency: 2
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French

oxydes de dihydrothiophène-1 de formules iiia et iiib où les radicaux r¹ à r⁵ ont la signification citée dans la revendication 1.

English

a dihydrothiophene 1-oxide of the formulae iiia and iiib in which r¹ to r⁵ have the meaning indicated in claim 1.

Last Update: 2014-12-04
Usage Frequency: 2
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French

esters d'acide dihydrothiophène-carboxylique, procédé pour les préparer et leur application à la lutte de la croissance indésirable des plantes.

English

dihydrothiophene-carboxylic-acid esters, process for their preparation and their use in combating undesirable plant growth.

Last Update: 2014-11-25
Usage Frequency: 3
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French

procédé pour préparer des dérivés du thiophène de formule i selon la définition de la revendication 1, caractérisé en ce que l'on mélange des oxydes de dihydrothiophène-1 de formules iiia et/ou iiib où les radicaux r¹ à r⁵ présentent, indépendamment les uns des autres, la signification citée dans la revendication 1, avec un acide, ce qui permet de réarranger les oxydes de dihydrothiophène-1 en dérivés du thiophène de formule i. procédé selon une ou plusieurs des revendications 1 à 3, caractérisé en ce que l'on travaille dans l'eau ou dans un solvant organique neutre, de préférence dans l'eau et/ou dans un alcool en c₁ à c₄, en tant que solvant ou agent de dilution

English

the process for the preparation of a thiophene derivative of the formula i as claimed in the definition in claim 1, wherein an acid is added to a dihydrothiophene 1-oxide of the formulae iiia and/or iiib in which r¹ to r⁵ independently of one another have the meaning indicated in claim 1, in the course of which the dihydrothiophene 1-oxide undergoes rearrangement to give a thiophene derivative of the formula i. the process as claimed in one or more of claims 1-3, wherein the reaction is carried out in water or a neutral organic solvent, preferably in water and/or a c₁-c₄-alkanol, as a solvent or diluent

Last Update: 2014-12-04
Usage Frequency: 4
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