6533b85dfe1ef96bd12bf198

RESEARCH PRODUCT

Cyclocarbonylation reactions of allylphenols and allylnaphthols catalyzed by Pd/C- 1,4-bis(diphenylphosphine)butane

Carmelo CrisafulliAnnamaria MaffeiFranco La MantiaGiuseppe VasapolloSalvatore ScirèGiuseppe MeleGiuseppe Ciccarella

subject

Diphenylphosphinechemistry.chemical_elementRegioselectivityButaneGeneral ChemistryHeterogeneous catalysisChemical synthesisCatalysisInorganic Chemistrychemistry.chemical_compoundchemistryOrganic chemistryCarbonylationPalladium

description

Palladium/activated carbon (Pd/C) in the presence of 1,4-bis(diphenylphosphino)butane is an efficient heterogeneous catalyst for cyclocarbonylation reactions of 2-allyl phenols affording five-, six-, and seven-membered ring lactones. Various examples of cyclocarbonylation are reported and the regioselectivity is compared with the homogeneous system. Both commercial Pd/C and Pd/C prepared from activated carbons obtained from vegetable and polymeric wastes are investigated.

https://doi.org/10.1002/aoc.339