Polymeric microsphere-loaded palladium-iminodiacetic acid complex as an efficient and easily recycled catalyst for Suzuki reaction in ionic liquid
Polymeric microsphere-loaded palladium-iminodiacetic acid complex as an efficient and easily recycled catalyst for Suzuki reaction in ionic liquid
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负载聚合物微球的钯-亚氨基二乙酸络合物作为离子液体中铃木反应的高效且易于回收的催化剂
DOI:
10.1007/s11164-019-03738-y
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发表时间:
2019-01
影响因子:
3.3
通讯作者:
Wu Songhua
中科院分区:
文献类型:
--
作者:
Zhang Jianzheng;Chen Jingshuai;Zhang Qiuyu;Wang Rumin;Wu Songhua
Core-crosslinked shelled-core microspheres of poly(styrene-co-methyl acrylic acid) (PS-co-PMAA), with cores rich in PS and the shell rich in PMAA, were synthesized by one-stage soap-free emulsion polymerization. A palladium (Pd)-iminodiacetic acid (IDA) complex catalyst is loaded on the shell of the PS-co-PMAA microsphere, which results in the advantage of high dispersion degree and, therefore, high activity. The resultant polymeric microspheres catalyst systems are then applied to catalyze the Suzuki reaction of aryl halides with phenylboronic acid in an ionic liquid of 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim][BF4]). Our catalyst systems are proved to be efficient and active for both aryl bromides and aryl iodides. Compared to traditional Pd(Ph3)4catalyst, the PS-co-PMAA-IDA-Pd catalyst used here affords higher yield of Suzuki reaction at even lower catalyst concentration. In addition, our polymeric-microsphere based catalytic system can be easily recycled at least four times with high activity in ionic [bmim][BF4] liquid.
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影响因子:
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作者:
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通讯作者:
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影响因子:
2.6
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影响因子:
7.4
作者:
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通讯作者:
M. Pesavento;R. Biesuz;M. Gallorini;A. Profumo