Efficient synthesis of fluoro-containing liquid crystal materials via Pd-catalysed room temperature aerobic Suzuki reactions in aqueous media

Efficient synthesis of fluoro-containing liquid crystal materials via Pd-catalysed room temperature aerobic Suzuki reactions in aqueous media
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水介质中Pd催化室温有氧Suzuki反应高效合成含氟液晶材料

DOI:
10.1080/02678292.2014.961579
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发表时间:
2015-01
期刊:
影响因子:
2.2
通讯作者:
Mengping Guo
Mengping Guo
中科院分区:
化学3区
文献类型:
--
作者:
Wenna Xie;Daoan Xiao;Yongju Wen;Jiamin Li;Lasheng Wang;Mengping Guo

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以含氟苯基硼酸和芳基卤化物为原料,在简单的亲水性反式-PdCl2(NH2CH2COOH)2催化剂存在下,通过水介质Suzuki交叉偶联反应,在室温、有氧条件下合成了一系列含氟液晶材料,收率优异。介绍了与上述反应以及获得相应的含氟液晶材料所采用的反应顺序相关的细节。通过元素分析、电喷雾质谱、1H NMR和13C NMR对上述催化剂和液晶材料的结构进行了表征。
A series of fluoro-containing liquid crystal materials were synthesised at room temperature under aerobic conditions in excellent yields starting from fluoro-containing phenylboronic acids with aryl halides in the presence of a simple hydrophilic trans-PdCl2(NH2CH2COOH)2 as catalyst via aqueous media Suzuki cross-coupling reactions. Details relevant to the above reactions and to the reaction sequences adopted to get the corresponding fluoro-containing liquid crystal materials are presented. The structures of above catalyst and liquid crystal materials were characterised by element analyses, electrospray mass spectra, 1H NMR and 13C NMR.
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