A PROCESS TO PRODUCE A DIENE FROM A LACTONE

A PROCESS TO PRODUCE A DIENE FROM A LACTONE

The invention relates to a process for the production of a diene. In the process, a lactone is heated in the presence of a first catalyst system to produce an alkene and carbon dioxide and the alkene is contacted with a second catalyst system to produce an alkyldiene. The invention further relates t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WONG, PUI KWAN, LI, CHUANZHAO, MEURS, MARTIN VAN, STUBBS, LUDGER
Format: Patent
Sprache:eng ; fre
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The invention relates to a process for the production of a diene. In the process, a lactone is heated in the presence of a first catalyst system to produce an alkene and carbon dioxide and the alkene is contacted with a second catalyst system to produce an alkyldiene. The invention further relates to a process of converting the side-product alkenoic acid through reaction with carbon monoxide, water and a third catalyst system to a dicarboxylic acid. L'invention porte sur un procédé pour la production d'un diène. Dans le procédé, une lactone est chauffée en présence d'un premier système catalyseur pour produire un alcène et du dioxyde de carbone et l'alcène est mis en contact avec un second système catalyseur pour produire un alkyldiène.