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学科主题: 金属有机化学
题名: Effect of M(CO)(3) (M = Cr, Mn+) on aromatic C-ClBDE in (eta(6)-ArCl)M(CO)(3) complexes
其他题名: 氯代芳烃三羰基金属络合物中三羰基金属(铬、锰)对芳基碳氯键键能的影响
作者: Lin HC(林和春) ; Chen Q(陈迁) ; Cao LD(曹立冬) ; Yang L(杨立) ; Wu YD(吴云东) ; Li CZ(李超忠)
通讯作者: 吴云东 ; 李超忠
刊名: J. Org. Chem.
发表日期: 2006
卷: 71, 期:8, 页:3328-3331
收录类别: SCI
部门归属: 北京大学; 上海有机所; 兰州大学; 香港科技大学
英文摘要: The coordination of Cr(CO)(3) to chlorobenzenes significantly reduces the C-Cl bond dissociation energy. Treatment of chloroarene-Cr(CO)(3) complexes with SmI2/HMPA at room temperature led to complete dechlorination. Reaction of o-allyloxychlorobenzene-Cr(CO)(3) complexes with Sml, at room temperature resulted in the corresponding dechlorinative cyclization products in good to excellent yields. Competition experiments indicated the following relative reactivities of dehalogenation by SmI2: PhI/PhCl-Cr(CO)(3)/PhBr/ PhCl = 50:1:0.3: < 0.001. On the other hand, the coordination of Mn(CO)(3)(+) to chlorobenzene showed a much smaller activation effect. Density functional theory calculations revealed that the spin delocalization effect of the metal center plays an important role in the C-Cl bond activation.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000236678100059
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/22820
Appears in Collections:中科院天然产物有机化学重点实验室_期刊论文

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Recommended Citation:
Lin HC,Chen Q,Cao LD,et al. Effect of M(CO)(3) (M = Cr, Mn+) on aromatic C-ClBDE in (eta(6)-ArCl)M(CO)(3) complexes[J]. J. Org. Chem.,2006,71(8):3328-3331.
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