Process for the isomerization of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jun 14, 2012
app pub date -
Dec 9, 2010
filing date -
Dec 9, 2010
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Abstract
Disclosed is a process for the isomerization of 2,2,4,4-tetraalkylcyclobutane-1,3-diols, such as 2,2,4,4-tetramethylcyclobutane-1,3-diol, by contacting the diol with a supported ruthenium catalyst in the presence of hydrogen at elevated pressures and temperatures. The process is carried under conditions in which there is no net production of 2,2,4,4-tetraalkylcyclobutane-1,3-diol. The process may be carried out in the presence or absence of a solvent and in the liquid or vapor phase.
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