Process for preparing di-substituted succinates

The invention relates to a process for preparing (2,3) disubstituted succinates that allows (2,3) disubstituted succinates to be obtained in good purity and with acceptabel reaction yields. The (2) and (3) substitutions may be the same or different. The process comprises reacting a haloacetate with...

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Bibliographic Details
Main Authors SAINANI JAIPRAKASH BRIJLAL, DAVADRA MAHESH
Format Patent
LanguageChinese
English
Published 11.06.2014
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention relates to a process for preparing (2,3) disubstituted succinates that allows (2,3) disubstituted succinates to be obtained in good purity and with acceptabel reaction yields. The (2) and (3) substitutions may be the same or different. The process comprises reacting a haloacetate with a malonic acid ester into a tricarboxylate, which is further reacted to a (2,3) disubstituted tricarboxylate, hydrolysed, decarboxylated and optionally esterified. Esterified (2,3) disubstituted succinic esters may be used as internal donor in Ziegler-Natta type catalysts for the polymerisation of olefins.
Bibliography:Application Number: CN201280042704