Results for halopenicillanic translation from English to French

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halopenicillanic

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method for preparing 6beta-halopenicillanic acids and salts thereof

French

procédé de production d'acides 6bêta-halopenicillaniques et leurs sels

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

a method according to claim 1, in which the 6β-halopenicillanic acid is liberated and subsequently converted to a salt.

French

une méthode selon la revendication 1, selon laquelle l'acide 6β-halopénicillanique est libéré et converti subséquemment en un sel.

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

a method according to claim 8 , in which the liberated 6β-halopenicillanic acid is converted to a salt with a β-lactam antibiotic containing a free amino group.

French

une méthode selon la revendication 8, selon laquelle l'acide 6β-halopénicillanique libéré est converti en un sel avec un antibiotique β-lactame contenant un groupe amino libre.

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

a method for the preparation of 6β-halopenicillanic acid of the formula i in which r stands for chlorine, bromine or iodine, and salts thereof which comprises epimerization of a dicyclohexylammonium salt of a 6α-halopenicillanic acid suspended in a mixture of water and an aprotic organic solvent and in the presence of a base which catalyzes the epimerization to precipitate the less soluble dicyclohexylammonium salt of the corresponding 6β-halopenicillanic acid thus formed, which can be recovered as such or directly be converted to the coresponding acid or to another salt.

French

une méthode de préparation de l'acide 6β-halopénicillanique de formule i dans laquelle r désigne le chlore, le brome ou l'iode, et les sels dudit acide, qui comprend l'épimérisation d'un sel de dicyclohexylammonium d'un acide 6α-halopénicillanique en suspension dans un mélange d'eau et d'un solvant organique aprotique et en présence d'une base qui catalyse l'épimérisation pour précipiter le sel de dicyclohexylammonium le moins soluble de l'acide 6β-halopénicillanique correspondant ainsi formé, qui peut être récupéré tel quel ou directement converti en l'acide correspondant ou en un autre sel.

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