Process for the synthesis of 3-mercaptopropionic acid esters
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United States of America Patent
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Jul 6, 1999
Grant Date -
N/A
app pub date -
Nov 21, 1997
filing date -
Nov 22, 1996
priority date (Note) -
Expired
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Abstract
This process for the synthesis of 3-mercaptopropionic acid esters by addition reaction of H.sub.2 S to the corresponding acrylic acid ester is carried out in the presence of a solid-support functionalized with basic guanidine functional groups, on condition that these groups are free of hydrogen that is directly attached to a nitrogen atom.
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