Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 353, Issue 14-15, Pages 2665-2670Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201100139
Keywords
hydroformylation; isomerization; regioselectivity; rhodium; tetraphosphine
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Funding
- National Institutes of Health [GM58832]
- Dow Chemical Co.
- National Center for Research Resources (NCRR) [1S10RR023698-01A1]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0956784] Funding Source: National Science Foundation
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A new class of substituted tetraphosphine ligands has been applied in the rhodium-catalyzed regioselective isomerization-hydroformylation of internal olefins. The rhodium/tetraphosphine ligand system is highly effective for the isomerization and hydroformylation of 2-alkenes to form linear aldehydes. Greater than 95% linear selectivity and up to 94% yield of the total aldehydes were obtained for 2-pentene, 2-hexene and 2-octene. The catalyst system also showed high to moderate linear selectivity for the isomerization and hydroformylation of 3-hexene, 3-octene and 4-octene but with slow reaction rates.
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