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US 6,548,716 B1Granted
Process for preparing a 1,3-diol
AssigneeShell Oil Company
InventorJean-Paul Lange
Life of this patent
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Abstract
A process for preparing a 1,3-diol by hydrogenating a feed having a 3-hydroxyaldehyde in the presence of a catalyst and a hydrogen source, wherein syngas is used as hydrogen source, and the catalyst is a heterogeneous catalyst having copper on a support.
Claims17
A process for preparing a 1,3-diol by hydrogenating a feed comprising 3-hydroxyaldehyde in the presence of a catalyst and a hydrogen source wherein syngas is used as the hydrogen source and the catalyst is a heterogeneous catalyst comprising copper on a support.
A process of preparing a 1,3-diol wherein:
- a) an oxirane is hydroformylated by reaction with syngas in the presence of a homogeneous hydroformylation catalyst and a solvent, forming a 3-hydroxyaldehyde feed, and
- b) the 3-hydroxyaldehyde feed is hydrogenated in the presence of a heterogeneous catalyst comprising copper on a support and syngas as the hydrogen source.
Dependencies are inferred from the claim text.