Improvement of the polyoxometalate's performance in the asymmetric oxidation of styrene via combined with chiral ionic liquid
Improvement of the polyoxometalate's performance in the asymmetric oxidation of styrene via combined with chiral ionic liquid
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与手性离子液体结合提高多金属氧酸盐在苯乙烯不对称氧化中的性能
DOI:
10.1016/j.catcom.2016.02.018
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发表时间:
2016-04
影响因子:
3.7
通讯作者:
Nan Sang
中科院分区:
文献类型:
--
作者:
Dong Liang;Na Zhu;Hailin Zhu;Zhiyong Hu;Duanlin Cao;Nan Sang
The efficiency and enantioselectivity of polyoxometalate (POM) in the oxidation of styrene with H2O2could be improved via simply combined the POM with the chiral ionic liquids (CILs), which consist of the quaternized alkyl bromide salts (with lengths of C-8, C-12, and C-16) derived from natural chiralS-nicotine. The hybrids showed synergistic advantages between POM and CILs, achieving a complete conversion of styrene after 1 h of mild reaction and a relatively high selectivity forR-(−)-1-phenylethane-1, 2-diol with 72% yield and 96% ee. Further fluorescence analysis illustrated that CILs might serve for the enantiomeric recognition ofR-thanS-enantiomers.
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影响因子:
9.8
作者:
Gao, Qiang;Liu, Yan;Li, Can
通讯作者:
Li, Can
影响因子:
1.8
作者:
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作者:
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DOI:
10.1007/s10904-012-9794-5
发表时间:
2013-03-01
影响因子:
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