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3 hydroxy 3 methylglutaric acid
acide 3-hydroxy-3-méthyl-glutarique
Ultimo aggiornamento 2014-12-09
Frequenza di utilizzo: 3
Qualità:
Attenzione: Questo allineamento potrebbe essere errato.
Eliminalo se ritieni che sia così.
acid, 3-hydroxy-3-methylglutaric
acide 3-hydroxy-3-méthyl-glutarique
Ultimo aggiornamento 2014-12-09
Frequenza di utilizzo: 1
Qualità:
Attenzione: Questo allineamento potrebbe essere errato.
Eliminalo se ritieni che sia così.
process for preparing beta-hydroxy-beta-methylglutaric acid.
procédé de préparation de l'acide bêta-hydroxy-bêta-méthyl glutarique.
Ultimo aggiornamento 2014-11-25
Frequenza di utilizzo: 3
Qualità:
Attenzione: contiene formattazione HTML nascosta
on distillation as in example 1, 2 mmol of anhydride corresponding to 2-methylglutaric acid were obtained.
par distillation comme dans l'exemple 1, on obtient 2 mmol d'anhydride correspondant à l'acide méthyl-2 glutarique.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 2
Qualità:
the process of claim 1 in which the saturated acid is 2-methylglutaric acid and said acid is isomerized to adipic acid.
le procédé selon la revendication 1, dans lequel l'acide saturé est l'acide 2-méthylglutarique et ledit acide est isomérisé en acide adipique.
Ultimo aggiornamento 2014-12-04
Frequenza di utilizzo: 2
Qualità:
the process of claim 3 in which said saturated acid is 2-methylglutaric acid and said saturated acid is isomerized to adipic acid.
le procédé selon la revendication 3 dans lequel ledit acide saturé est de l'acide 2-méthylglutarique et ledit acide saturé est isomérisé en acide adipique.
Ultimo aggiornamento 2014-12-04
Frequenza di utilizzo: 2
Qualità:
comparative test 1 the recycling tests are repeated, with the introduction of larger amounts of methylglutaric and ethylsuccinic acids, the operating conditions being the same.
essai comparatif 1 on répète les essais de recyclage en introduisant des quantités plus importantes d'acide méthyl-glutarique et d'acide éthyl-succinique, les conditions opératoires étant les mêmes.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 1
Qualità:
3-hydroxy-3-methylglutaric acid monoamide, derivatives thereof, intermediates, methods of preparation and compositions.
monoamide de l'acide 3-hydroxy-3-méthylglutarique, dérivés et intermédiaires, méthodes de préparation et compositions.
Ultimo aggiornamento 2014-11-25
Frequenza di utilizzo: 3
Qualità:
Attenzione: contiene formattazione HTML nascosta
this gives a fraction comprising unconverted pentenoic acid, gamma-valerolactone, valeric and methylbutanoic acids, and a portion of methylglutaric and ethylsuccinic acids.
on obtient une fraction contenant l'acide penténoïque non transformé, la gamma- valérolactone, les acides valerique et methylbutanoïque ainsi qu'une partie des acides méthyl-glutarique et éthyl-succinique.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 1
Qualità:
during the second hydroxycarbonylation reaction, methylglutaric acid, ethylsuccinic acid and dimethylsuccinic acid are also formed, in amounts which vary depending on the conditions under which the process is carried out.
lors de la deuxième réaction d'hydroxycarbonylation, il se forme également des quantités, variables selon les conditions de mise en oeuvre du procédé, d'acide méthyl-glutarique, d'acide éthyl-succinique et d'acide diméthyl-succinique.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 1
Qualità:
example 2 the procedure of example 1 was repeated under the same operating conditions, but the 2-methylglutaric acid was replaced by the same molar amount of 2-ethylsuccinic acid.
exemple 2 l'exemple 1 est répété dans les mêmes conditions opératoires, mais l'acide méthyl-2 glutarique est remplacé par la même quantité molaire d'acide éthyl-2 succinique.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 1
Qualità:
distillation of the dehydrated mixture separated the 2-methylglutaric anhydride formed (90 mol % relative to the 2-methylglutaric acid charged).
la distillation effectuée sur le mélange déshydraté a permis de séparer l'anhydride de l'acide méthyl-2 glutarique formé (90 % en moles par rapport à l'acide méthyl-2 glutarique chargé).
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 1
Qualità:
example 3 a mixture containing 34 mmol of 2-methylglutaric acid, 39 mmol of 2-ethylsuccinic anhydride and 25 mmol of adipic acid was introduced into a 50 ml glass round-bottomed flask.
exemple 3 dans un ballon en verre de 50 ml, on charge un mélange contenant 34 mmol d'acide méthyl-2 glutarique, 39 mmol d'anhydride de l'acide éthyl-2 succinique et 25 mmol d'acide adipique.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 1
Qualità:
on analysis of the distillate obtained, it was determined that 2.2% of the 2-methylglutaric acid and 93% of the 2-ethylsuccinic acid were distilled off in the form of their respective corresponding anhydrides.
on constate par dosage du distillat obtenu que 2,2 % de l'acide méthyl-2 glutarique et 93 % de l'acide éthyl-2 succinique mis en oeuvre ont été distillés sous forme de leurs anhydrides correspondants respectifs.
Ultimo aggiornamento 2014-12-03
Frequenza di utilizzo: 3
Qualità: