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D301 resin as a solid base for phosphine-free Heck reactions with heteroaryl halides 被引量：1

D301 resin as a solid base for phosphine-free Heck reactions with heteroaryl halides
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摘要 A new and practical method of the D301 resin,a weak basic anion exchange resin with secondary amine functionality（Grade Matrix Structure：Styrene-DVB D301R）,used as base to Heck reactions catalyzed by palladium reagent without phosphine compound as ligand is described.It was found that the D301 resin used as base is an efficient and reusable base and can be regenerated and recycled in the reaction.The olefmation of heteroaryl halides prepared the corresponding products in good yields using D301 resin as base. A new and practical method of the D301 resin,a weak basic anion exchange resin with secondary amine functionality（Grade Matrix Structure：Styrene-DVB D301R）,used as base to Heck reactions catalyzed by palladium reagent without phosphine compound as ligand is described.It was found that the D301 resin used as base is an efficient and reusable base and can be regenerated and recycled in the reaction.The olefmation of heteroaryl halides prepared the corresponding products in good yields using D301 resin as base.
作者 Wen Pei Xiang Mei Wu
机构地区 College of Chemical Engineering and Materials College of Chemistry and Life Science
出处 《Chinese Chemical Letters》 SCIE CAS CSCD 2008年第4期399-402,共4页 中国化学快报（英文版）
基金 the financial support of the Natural Science Foundation of China(No.20572100) the open foundation of the key discipline of industrial catalysis of Zhejiang.
关键词 Hock reaction PALLADIUM Phosphine-free catalysts D301 resin Hock reaction Palladium Phosphine-free catalysts D301 resin
分类号 O614.823 [理学—无机化学] O643.3 [理学—物理化学]
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参考文献7

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  • 7[7]Selected data:(E)-n-butyl-3-(3-quinolyl)acrylate.Colorless crystals,mp 131-132 ℃;1H NMR (CDCl3,δ ppm):9.09 (d,1H,J=2.2 Hz),8.24 (d,1H,J=2.0 Hz),8.11 (d,1H,J=8.3 Hz),7.84 (d,1H,J=6.3 Hz),7.78 (d,1H,J=7.5 Hz),7.73 (d,1H,J=6.9 Hz),7.61-7.58 (m,1H),6.67 (d,1H,J=16.1 Hz),4.25 (t,2H,J=6.7 Hz),1.77-1.67 (m,2H),1.47-1.42 (m,2H),0.98 (t,3H,J=7.4Hz);(E)-n-Butyl-3-(2-thiophenyl)acrylate.Brown oil.1H NMR (CDCl3,δ ppm):7.76 (d,1H,J=15.7 Hz),7.35 (d,1H,J=4.9 Hz),7.23 (d,1H,J=3.4Hz),7.04 (dd,1H,J=3.7 Hz;3.7 Hz),6.23 (d,1H,J=15.7 Hz),4.18 (t,2H,J=6.6 Hz),1.72-1.62 (m,2H),1.48-1.36 (m,2H),0.95 (t,3H,J=7.4Hz);(E)-n-Butyl-3-(3-pyridyl)-acrylate.Yellow oil,1H NMR (CDCl3,δ ppm):8.75 (d,1H,J=1.9 Hz),8.60 (dd,1H,J=1.5 Hz;1.5 Hz),7.86-7.83 (m,1H),7.67 (d,1H,J=16.1 Hz),7.35-7.31 (m,1H),6.53 (d,1H,J=16.1 Hz),4.23 (t,2H,J=6.6 Hz),1.74-1.65 (m,2H),1.50-1.38 (m,2H),0.97 (t,3H,J=7.4 Hz).

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Chinese Chemical Letters
2008年 第4期

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