The 2V-P,N polymer supported palladium catalyst for methoxycarbonylation of acetylene
Chen, XK; Zhu, HJ; Wang, T; Li, CY; Yan, L; Jiang, M; Liu, J; Sun, XP; Jiang, Z; Ding, YJ; Ding, YJ (reprint author), Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China.
2016
发表期刊JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
ISSN1381-1169
卷号414期号:-页码:37—46
文章类型期刊文献
摘要Heterogenization of homogeneous catalyst by immobilizing complex on the surface of polymer supports promotes the design of the catalysts which combine the advantages of heterogeneous and homogeneous catalysts. The porous 2-vinyl-functional diphenyl-2-pyridylphosphine (2V-P,N) polymer (POL-2V-P,N) was successfully synthesized under solvothermal conditions. The POL-2V-P,N polymer was characterized by nitrogen physisorption, thermogravimetry (TG), scanning electron microscope (SEM) and transmission electron microscopy (TEM). The heterogenized homogeneous Pd/POL-2V-P,N catalyst was synthesized by immobilizing Pd(OAc)(2) on the POL-2V-P,N, which was used as not only support but also as ligands. The catalyst was investigated by means of P-31 NMR, X-ray absorption fine structure (EXAFS), X-ray photoelectron spectroscopic (XPS) and FT-IR and tested for the methoxycarbonylation of acetylene. According to the results of P-31 NMR, XPS and EXAFS, there existed coordination bonds between palladium and the exposed phosphorous and nitrogen atoms of,the porous POL-2V-P,N support. The XPS and FT-IR results showed that Pd-0 species were present on the Pd/POL-2V-P,N catalyst. The heterogenized Pd/POL-2V-P,N palladium complex catalyst with high surface area and large pore volume displayed excellent activity for the methoxycarbonylation of acetylene as compared with the corresponding homogeneous palladium diphenyl-2-pyridylphosphine complex (Pd-P,N) under the same conditions. The used Pd/POL-2V-P,N catalyst also exhibited excellent activity under the same conditions. In addition, the hot filtration tests indicated that the reaction occurred in a heterogeneous way. (C) 2015 Elsevier B.V. All rights reserved.
关键词Terminal Alkynes Homogeneous Catalysis Efficient Catalyst Carbon-monoxide Acrylic-acid Carbonylation Complexes Pd Alkoxycarbonylation Hydroformylation
DOI10.1016/j.molcata.2015.12.025
收录类别SCI
语种英语
WOS记录号WOS:000370914500005
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25857
专题中科院上海应用物理研究所2011-2018年
通讯作者Zhu, HJ; Ding, YJ (reprint author), Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China.
推荐引用方式
GB/T 7714
Chen, XK,Zhu, HJ,Wang, T,et al. The 2V-P,N polymer supported palladium catalyst for methoxycarbonylation of acetylene[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2016,414(-):37—46.
APA Chen, XK.,Zhu, HJ.,Wang, T.,Li, CY.,Yan, L.,...&Ding, YJ .(2016).The 2V-P,N polymer supported palladium catalyst for methoxycarbonylation of acetylene.JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,414(-),37—46.
MLA Chen, XK,et al."The 2V-P,N polymer supported palladium catalyst for methoxycarbonylation of acetylene".JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL 414.-(2016):37—46.
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