MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction

MOF-253·Pd(OAc)2 and MOF-253·CuI were prepared, characterized, and evaluated firstly as heterogeneous co-catalysts, which showed high catalytic activity in Sonogashira coupling reaction of various substituted (hetero)aryl halides with terminal alkynes at 70–120 °C, and afforded the corresponding pro...

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Main Authors: Nan Wang, Jianwei Xie, Jie Zhang
Format: Article
Language:English
Published: Elsevier 2022-08-01
Series:Arabian Journal of Chemistry
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1878535222002787
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author Nan Wang
Jianwei Xie
Jie Zhang
author_facet Nan Wang
Jianwei Xie
Jie Zhang
author_sort Nan Wang
collection DOAJ
description MOF-253·Pd(OAc)2 and MOF-253·CuI were prepared, characterized, and evaluated firstly as heterogeneous co-catalysts, which showed high catalytic activity in Sonogashira coupling reaction of various substituted (hetero)aryl halides with terminal alkynes at 70–120 °C, and afforded the corresponding products in 45–99% yields with high TON (∼2722 for Pd). The best result was achieved with an extremely low Pd (0.036 mol%) and Cu (0.397 mol%) loading. Moreover, the catalysts can be reused at least five times without significantly reducing the activity. Besides, Hg(0) and PVP-poisoning experiments confirmed that the present catalysts were efficient and heterogeneous catalysts in this coupling reaction.
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spelling doaj.art-b482a560db734464ba27219a9431bca72022-12-22T00:37:33ZengElsevierArabian Journal of Chemistry1878-53522022-08-01158103962MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reactionNan Wang0Jianwei Xie1Jie Zhang2College of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425199, China; School of Chemistry and Chemical Engineering/The Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, ChinaCollege of Chemistry and Bioengineering, Hunan University of Science and Engineering, Yongzhou 425199, China; Corresponding author.School of Chemistry and Chemical Engineering/The Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, Shihezi University, Shihezi 832003, ChinaMOF-253·Pd(OAc)2 and MOF-253·CuI were prepared, characterized, and evaluated firstly as heterogeneous co-catalysts, which showed high catalytic activity in Sonogashira coupling reaction of various substituted (hetero)aryl halides with terminal alkynes at 70–120 °C, and afforded the corresponding products in 45–99% yields with high TON (∼2722 for Pd). The best result was achieved with an extremely low Pd (0.036 mol%) and Cu (0.397 mol%) loading. Moreover, the catalysts can be reused at least five times without significantly reducing the activity. Besides, Hg(0) and PVP-poisoning experiments confirmed that the present catalysts were efficient and heterogeneous catalysts in this coupling reaction.http://www.sciencedirect.com/science/article/pii/S1878535222002787MOF-253Immobilized Pd and Cu catalystsSonogashira coupling reactionGreen heterogeneous catalystTerminal alkynes
spellingShingle Nan Wang
Jianwei Xie
Jie Zhang
MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction
Arabian Journal of Chemistry
MOF-253
Immobilized Pd and Cu catalysts
Sonogashira coupling reaction
Green heterogeneous catalyst
Terminal alkynes
title MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction
title_full MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction
title_fullStr MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction
title_full_unstemmed MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction
title_short MOF-253 immobilized Pd and Cu as recyclable and efficient green catalysts for Sonogashira reaction
title_sort mof 253 immobilized pd and cu as recyclable and efficient green catalysts for sonogashira reaction
topic MOF-253
Immobilized Pd and Cu catalysts
Sonogashira coupling reaction
Green heterogeneous catalyst
Terminal alkynes
url http://www.sciencedirect.com/science/article/pii/S1878535222002787
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AT jianweixie mof253immobilizedpdandcuasrecyclableandefficientgreencatalystsforsonogashirareaction
AT jiezhang mof253immobilizedpdandcuasrecyclableandefficientgreencatalystsforsonogashirareaction