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A Fischer carbene is a divalent organic ligand in an organometallic compound. In a Fischer carbene, the carbene ligand is a σ-donor π-acceptor ligand. Because π-backdonation from the metal centre is generally weak, the carbene carbon is electrophilic. Fischer carbenes are named for Ernst Otto Fischer.

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  • Fischer carbene (en)
  • Fischer卡宾 (zh)
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  • A Fischer carbene is a divalent organic ligand in an organometallic compound. In a Fischer carbene, the carbene ligand is a σ-donor π-acceptor ligand. Because π-backdonation from the metal centre is generally weak, the carbene carbon is electrophilic. Fischer carbenes are named for Ernst Otto Fischer. (en)
  • Fischer卡宾是二价的有机金属配合物卡宾。Fischer卡宾的中心碳原子将其 sp2杂化轨道上的电子提供给中心金属的d轨道中,而中心金属以反馈键的方式将一对电子提供给碳原子上空的π轨道中。Fischer卡宾的中心金属的π反馈键通常较弱,金属价态较低,因此总体上Fischer卡宾是亲电性的。 Fischer卡宾的命名来源于恩斯特·奥托·菲舍尔。 (zh)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Diels_Alder.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Hydride_abs.jpg
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Preparation_of_Fischer_carbene_5.jpg
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Reactivity_4.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Reactivity_5.jpg
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  • A Fischer carbene is a divalent organic ligand in an organometallic compound. In a Fischer carbene, the carbene ligand is a σ-donor π-acceptor ligand. Because π-backdonation from the metal centre is generally weak, the carbene carbon is electrophilic. Fischer carbenes are named for Ernst Otto Fischer. (en)
  • Fischer卡宾是二价的有机金属配合物卡宾。Fischer卡宾的中心碳原子将其 sp2杂化轨道上的电子提供给中心金属的d轨道中,而中心金属以反馈键的方式将一对电子提供给碳原子上空的π轨道中。Fischer卡宾的中心金属的π反馈键通常较弱,金属价态较低,因此总体上Fischer卡宾是亲电性的。 Fischer卡宾的命名来源于恩斯特·奥托·菲舍尔。 (zh)
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