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题名: Efficient demetalation of Fischer alkoxy- and amino-biscarbene complexes of chromium via CO-promoted sulfuration and selenylation
作者: Zheng, Zhaoyan;  Chen, Jinzhu;  Luo, Ning;  Yu, Zhengkun;  Han, Xiuwen
刊名: ORGANOMETALLICS
发表日期: 2006-10-23
DOI: 10.1021/om060288m
卷: 25, 期:22, 页:5301-5310
收录类别: SCI ;  IC ;  CCR
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear ;  Chemistry, Organic
研究领域[WOS]: Chemistry
英文摘要: CO-promoted sulfuration with elemental sulfur and selenylation with elemental selenium of Fischer biscarbene complexes of chromium have been achieved by means of in-situ-generated SCO and SeCO, efficiently affording thio- and selenocarboxylates. Intramolecular reactivity inversion of the chromium carbene carbon bonds (Cr=C) in an alkoxy-alkoxy biscarbene complex was realized by replacement of the alkoxy group bonded to the more reactive Cr=C carbon atom with an amino moiety. A strained cyclobutenyl ring activates the aminocarbene carbon bond, which thus undergoes oxidation, sulfuration, and selenylation under mild conditions. Demetalation of alkynyl, alkenyl, and alkyl Fischer monocarbene complexes was also investigated by the same method, from which selenium- or sulfur-insertion complexes and seleno- and thiocarboxylates were obtained.
关键词[WOS]: PHYSICAL ORGANIC-CHEMISTRY ;  METAL CARBENE COMPLEXES ;  SELENIUM-ASSISTED CARBONYLATION ;  CARBON-MONOXIDE ;  AQUEOUS ACETONITRILE ;  CHEMICAL MULTITALENTS ;  ASYMMETRIC-SYNTHESIS ;  (CO)(5)CR=C(X)R X ;  ALKYL-HALIDES ;  TRIPLE BOND
语种: 英语
WOS记录号: WOS:000241232800019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140205
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China

Recommended Citation:
Zheng, Zhaoyan,Chen, Jinzhu,Luo, Ning,et al. Efficient demetalation of Fischer alkoxy- and amino-biscarbene complexes of chromium via CO-promoted sulfuration and selenylation[J]. ORGANOMETALLICS,2006,25(22):5301-5310.
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