IMPURITY INHIBITION IN OLEFIN METATHESIS REACTIONS

Methods using catalysts and reaction conditions to produce signi ficantly improved yields (and thereby higher purity) of olefin metathesis products, with greatly reduced amounts of impurities. These techniques include in one instance reduction in temperature of reaction, and in another, the use of c...

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Bibliographic Details
Main Authors PAULSON, BASIL, P, PEDERSON, RICHARD, L
Format Patent
LanguageEnglish
French
Published 28.11.2002
Edition7
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:Methods using catalysts and reaction conditions to produce signi ficantly improved yields (and thereby higher purity) of olefin metathesis products, with greatly reduced amounts of impurities. These techniques include in one instance reduction in temperature of reaction, and in another, the use of chemical compounds that act as reaction inhibitors of unwanted reactions to minimize or prevent formation of unwanted impurities. L'invention concerne des procédés utilisant des catalyseurs et des conditions de réaction permettant d'obtenir de meilleures productions (et par conséquent de plus grande pureté) de produits de métathèse d'oléfines, avec des quantités d'impuretés particulièrement réduites. Ces techniques consistent, dans un cas de figure, à réduire la température de réaction, et dans un autre, à utiliser des composés chimiques agissant en tant qu'inhibiteurs de réactions non désirées afin de minimiser ou de prévenir la formation d'impuretés non désirées.
Bibliography:Application Number: WO2002US16372