Hydroformylation of olefins and reductive carbonylation of aryl halides with syngas formed ex situ from dehydrogenative decarbonylation of hexane-1,6-diol.

Stig Holden Christensen, Esben Paul Krogh Olsen, Jascha Rosenbaum, Robert Madsen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

A variety of primary alcohols have been investigated as convenient substrates for the ex situ delivery of carbon monoxide and molecular hydrogen in a two-chamber reactor. The gaseous mixture is liberated in one chamber by an iridium-catalysed dehydrogenative decarbonylation of the alcohol and then consumed in the other chamber in either a rhodium-catalysed hydroformylation of olefins or a palladium-catalysed reductive carbonylation of aryl halides. Hexane-1,6-diol was found to be the optimum alcohol for both reactions where moderate to excellent yields were obtained of the product aldehydes. A relatively low pressure of 1.5-2.4 bar was measured in the closed system during the two transformations.
Original languageEnglish
JournalOrganic and Biomolecular Chemistry
Volume13
Issue number3
Pages (from-to)938-945
ISSN1477-0520
DOIs
Publication statusPublished - 2014

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