Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2037
Title: Pd-loaded NaY zeolite as a highly active catalyst for ligandless Suzuki-Miyaura reactions of aryl halides at low Pd loadings under aerobic conditions
Authors: Durgun, Gülay
Aksın, Özge
Artok, Levent
Keywords: Aqueous solvent
Biaryls
Palladium
Suzuki cross-coupling
Zeolites
Publisher: Elsevier Ltd.
Source: Durgun, G., Aksın, Ö., and Artok, L. (2007). Pd-loaded NaY zeolite as a highly active catalyst for ligandless Suzuki-Miyaura reactions of aryl halides at low Pd loadings under aerobic conditions. Journal of Molecular Catalysis A: Chemical, 278(1-2), 189-199. doi:10.1016/j.molcata.2007.09.010
Abstract: The Pd(NH3)42+-loaded NaY zeolite was found to be a highly active catalyst precursor for Suzuki-Miyaura (SM) reactions of aryl bromides and aryl chlorides at low Pd concentrations in air. Aryl bromides and arylboronic acids can couple effectively both in pure water and in N,N-dimethylacetamide/water mixtures (1/1) within minutes with turnover frequencies (TOF) up to 4 × 105 h-1. The presence of a minute amount of water was crucial for the success of the reaction with chloroarenes. The excess amounts of as-received zeolite provided the necessary water for the reaction. The results suggest that the combined use of the water-zeolite system may have a synergistic effect in the reaction.
URI: http://doi.org/10.1016/j.molcata.2007.09.010
http://hdl.handle.net/11147/2037
ISSN: 1381-1169
1381-1169
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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