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Oxidative demetalation of Fischer alkoxy carbene complexes with stoichiometric pyridine N-oxide and NaBH4-promoted demetalation of Fischer iminocarbene complexes with sulfur and selenium
Zheng, Zhaoyan; Chen, Jinzhu; Yu, Zhengkun; Han, Xiuwen; Yu ZK(余正坤); Yu ZK(余正坤)
关键词Fischer Carbene Pyridine N-oxide Iminocarbene Sulfur Selenium
刊名JOURNAL OF ORGANOMETALLIC CHEMISTRY
2006-08-15
DOI10.1016/j.jorganchem.2006.05.021
691期:17页:3679-3692
收录类别SCI ; IC ; CCR
文章类型Article
部门归属2,5
项目归属203,502
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Inorganic & Nuclear ; Chemistry, Organic
研究领域[WOS]Chemistry
关键词[WOS]TRANSITION-METAL-COMPLEXES ; DIELS-ALDER REACTIONS ; TUNGSTEN PENTACARBONYL GROUPS ; LEWIS ACID CATALYSIS ; ASYMMETRIC-SYNTHESIS ; ORGANIC SYNTHESES ; ALKENYLCARBENE COMPLEXES ; SELECTIVE ISOMERIZATION ; PHOTOCHEMICAL-REACTIONS ; C BONDS
英文摘要Oxidation of Fischer alkoxy carbene complexes were systematically investigated with stoichiometric pyridine N-oxide (PNO) under mild conditions, forming ester products in good to excellent yields from the corresponding monocarbene complexes. Fischer alkoxy biscarbene complexes efficiently underwent stepwise oxidative demetalation under controlled conditions, resulting in ester-monocarbene and diester products, respectively. This oxidation protocol has demonstrated a generally efficient method to oxidize Fischer alkoxy carbene complexes under mild conditions, providing a new route to novel monocarbene complexes from Fischer biscarbene complexes. In the presence of NaBH4, reactions of Fischer iminocarbene complexes with elemental sulfur or selenium in ethanol at ambient temperature regioselectively afforded thione or selone complexes by insertion of a sulfur or selenium atom into the M=C bonds in Fischer carbene complexes, and metal-free selone was also obtained. The molecular structures of the iminocarbene complexes and selone derivatives were confirmed by X-ray crystallographic study. The NaBH4-promoted demetalation protocol suggests a potential new route to demetalate Fischer aminocarbene complexes. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000239833100017
引用统计
被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97203
专题中国科学院大连化学物理研究所
通讯作者Yu ZK(余正坤); Yu ZK(余正坤)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
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GB/T 7714
Zheng, Zhaoyan,Chen, Jinzhu,Yu, Zhengkun,et al. Oxidative demetalation of Fischer alkoxy carbene complexes with stoichiometric pyridine N-oxide and NaBH4-promoted demetalation of Fischer iminocarbene complexes with sulfur and selenium[J]. JOURNAL OF ORGANOMETALLIC CHEMISTRY,2006,691(17):3679-3692.
APA Zheng, Zhaoyan,Chen, Jinzhu,Yu, Zhengkun,Han, Xiuwen,余正坤,&余正坤.(2006).Oxidative demetalation of Fischer alkoxy carbene complexes with stoichiometric pyridine N-oxide and NaBH4-promoted demetalation of Fischer iminocarbene complexes with sulfur and selenium.JOURNAL OF ORGANOMETALLIC CHEMISTRY,691(17),3679-3692.
MLA Zheng, Zhaoyan,et al."Oxidative demetalation of Fischer alkoxy carbene complexes with stoichiometric pyridine N-oxide and NaBH4-promoted demetalation of Fischer iminocarbene complexes with sulfur and selenium".JOURNAL OF ORGANOMETALLIC CHEMISTRY 691.17(2006):3679-3692.
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