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Reductive coupling of CO with magnesium anthracene complexes: formation of magnesium enediolates
Chemical Communications ( IF 4.3 ) Pub Date : 2021-08-16 , DOI: 10.1039/d1cc03890g
K Yuvaraj 1 , Cameron Jones 1
Affiliation  

Two β-diketiminato-magnesium anthracene complexes, [{(ArNacnac)Mg}2(μ-C14H10)] (ArNacnac = [HC(MeCNAr)2], Ar = mesityl (Mes) or 2,6-diethylphenyl (Dep)) react with 1 atm. CO at room temperature to give tetra-magnesium enediolate complexes [{(ArNacnac)Mg}4(O2C16H10)2] via coupling of two molecules of CO with the anthracenediyl fragment. Similarly, reaction of magnesium anthracene, [Mg(THF)3(C14H10)], with CO afforded a low isolated yield of a tetra-magnesium complex bearing both dianthraceneylenediolate and dibenzocyclohepteneolateyl ligands. The presented reactions represent very rare examples of magnesium alkyl carbonylations that occur under mild conditions, and in the absence of catalysts.

中文翻译:

CO与镁蒽配合物的还原偶联:烯二醇镁的形成

两个 β-二酮亚氨基-镁蒽复合物,[{( Ar Nacnac)Mg} 2 (μ-C 14 H 10 )] ( Ar Nacnac = [HC(MeCNAr) 2 ] -,Ar = 甲基苯 (Mes) 或 2,6 -二乙基苯基 (Dep)) 与 1 个大气压反应。CO 在室温下通过两个 CO 分子与蒽二基片段的偶联得到烯二醇四镁配合物 [{( Ar Nacnac)Mg} 4 (O 2 C 16 H 10 ) 2 ] 。同样,蒽镁反应,[Mg(THF) 3 (C 14 H 10)],用 CO 提供了低分离产率的四镁配合物,同时带有二蒽二醇酯和二苯并环庚烯油酸酯配体。所提出的反应代表了在温和条件下和没有催化剂的情况下发生的烷基镁羰基化的非常罕见的例子。
更新日期:2021-08-20
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