Journal
CHEMICAL COMMUNICATIONS
Volume 59, Issue 35, Pages 5237-5240Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3cc00488k
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The tandem hydroformylation-acetalization of olefins using Rh/BINAPa and ZSM-35(10) co-catalysts has been developed. Various olefins and alcohols showed high performance in terms of regioselectivity (l/b >= 30.5) and catalytic activity (TON of the Rh catalyst up to 4.3 x 10(4)). Control experiments and DFT calculations revealed that hydroformylation occurred outside the molecular sieve, while acetalization took place mainly inside the molecular sieve.
The Rh/BINAPa and ZSM-35(10) co-catalyzed tandem hydroformylation-acetalization of olefins has been developed. A series of olefins with various alcohols performed well in the process, affording the corresponding acetals with high regioselectivities (l/b >= 30.5) and excellent catalytic activities (TON of the Rh catalyst up to 4.3 x 10(4)). Control experiments and DFT calculations indicated that the Rh/L11-catalyzed hydroformylation occurred in the solvent outside the molecular sieve, while the acetalization of intermediate aldehydes with alcohols takes place mainly in the interior of the molecular sieve.
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