Process for the manufacture of α, α-branched carboxylic acid vinyl esters
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United States of America Patent
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Oct 10, 2017
Grant Date -
Aug 11, 2016
app pub date -
Jan 6, 2016
filing date -
Oct 10, 2013
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Abstract
The invention relates to a process for the manufacture of α,α-branched carboxylic acids vinyl esters comprising the following steps:
- isomerising and converting an olefin feed with CO and water under Koch reaction conditions to make an acid with a ratio of Non Blocking isomers (NB) versus Blocking isomers (B) of NB/B above 1.5, wherein a blocking isomer has always a tertiary carbon atom in alpha position of the carboxylic acid and in the beta position of the carboxylic acid, whereas a non-blocking isomer has primary carbon atoms in the beta position of the carboxylic acidconverting the resulting acid into a vinyl ester.
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