Process for the production of aldehydes by hydroformylation of alpha-olefins
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United States of America Patent
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Jan 29, 1985
Grant Date -
N/A
app pub date -
Jun 7, 1983
filing date -
Jun 11, 1982
priority date (Note) -
Expired
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Abstract
A continuous process for the production an aldehyde by hydroformylation of an optionally substituted alpha-olefin comprises: providing a hydroformylation zone containing a charge of a liquid reaction medium having dissolved therein a complex rhodium hydroformylation catalyst comprising rhodium in complex combination with carbon monoxide and with a cyclic phosphite having a bridgehead phosphorus atom linked to three oxygen atoms at least two of which form together with the bridgehead phosphorus atom part of a ring; supplying said alpha-olefin to the hydroformylation zone; maintaining temperature and pressure conditions in the hydroformylation zone conducive to hydroformylation of the alpha-olefin; supplying make-up hydrogen and carbon monoxide to the hydroformylation zone; and recovering from the liquid hydroformylation medium a hydroformylation product comprising at least one aldehyde.
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