Journal
RESEARCH ON CHEMICAL INTERMEDIATES
Volume 38, Issue 8, Pages 1807-1817Publisher
SPRINGER
DOI: 10.1007/s11164-012-0504-2
Keywords
Diphenylphosphinite cellulose; Polymer-supported catalyst; Heterogeneous catalyst; Nanopalladium; Heck reaction
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Funding
- National Natural Science Foundation of China [21072077, 20672046]
- Guangdong Natural Science Foundation [10151063201000051, 8151063201000016]
- Guangzhou Science and Technology Project [2010Y1-C511]
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A diphenylphosphinite cellulose-supported nanopalladium (Cell-OPPh2-Pd-0) was conveniently prepared from cellulose and chlorodiphenylphosphine in pyridine, followed by treatment of an ethanol solution of palladium chloride. The prepared catalysis was found to be air- and moisture-stable and have significant catalytic activities in Heck coupling under mild operating conditions. Various phenyl halides were coupled with alkenes in DMF under air, to afford the corresponding products in good yields. Furthermore, the catalyst can be easily recovered by simple filtration and reused for up to six cycles without losing its activity.
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