期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 360, 期 22, 页码 4293-4300出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201800875
关键词
zirconium; polymers; catalysis; borrowing hydrogen; unsymmetry
资金
- National Natural Science Foundation of China [21776111]
- Fundamental Research Funds for the Central Universities [JUSRP 51627B]
- MOE SAFEA [B13025]
Catalytic borrowing hydrogen reaction is a very attractive transformation in the field of C-alkylation reaction. In this work, a new Zr (Zirconium)-containing coordination polymer containing unsymmetric indolyl dicarboxylic acid 1-(carboxymethyl)-1H-indole-5-carboxylic acid (H(2)CIA) was synthesized by the way of a solvothermal synthetic route and characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), Nitrogen adsorption-desorption, fourier transform infrared spectroscopy and X-ray photoelectronic spectroscopy (XPS). The coordination polymer Zr-CIA was employed as the catalyst for C-alkylation of acetophenone derivatives in the presence of benzyl alcohol. In addition, Zr-CIA catalyst was also observed to be effective in the reaction of alcohols with alcohols and high yields of alkylation products were achieved. Mechanism investigations were also conducted to better understand the catalysts and transformations. Meanwhile, the Zr-CIA could be reused at least five times without a notable decrease in activity and selectivity.
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