Reactions of Carbon Dioxide Bound to Aluminum Diimine Hydride with Borane Dimethyl Sulfide and Ammonia

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-05-08 DOI:10.1134/S1070328423600936

M. V. Moskalev, A. A. Skatova, A. A. Bazanov, E. V. Baranov, I. L. Fedushkin

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Abstract

The reaction of aluminum bis-formate acenaphthene-1,2-diimine complex [(Ar^BIG-bian)Al(μ-OC(H)O)₂Li(Thf)₂] (I) (Ar^BIG-bian = 1,2-bis[(2,6-dibenzhydryl-4-methylphenyl)imino]acenaphthene), prepared by binding carbon dioxide by aluminum diimine hydride [(Ar^BIG-bian)Al(H)₂]^–[Li(Thf)₄]⁺, with borane dimethyl sulfide and ammonia was studied. The reaction of I with BH₃∙SMe₂ (1 : 1) in toluene affords the product of hydroboration of one formate group [(Ar^BIG-bian)Al(μ-OC(H)O)(OB(H)OCH₃)Li(Thf)]₂ (II), while the reaction of I with BH₃∙SMe₂ (1 : 2) is accompanied by reduction of both formate groups and gives complex [(Ar^BIG-bian)Al(OBOCH₃)₂OLi₂(Thf)₂BH₄]₂ (III), methoxyboroxine (CH₃OBO)₃ and, presumably, compound [(Ar^BIG-bian)AlOCH₃]. The reaction of I with one equivalent of ammonia in THF gives adduct [(Ar^BIG-bian)Al(NH₃)(μ-OC(H)O)₂Li(Thf)₂] (IV), in which ammonia is coordinated to the aluminum atom, while the key bonds in I have not undergone ammonolysis. Compounds II–IV were characterized by IR and NMR spectroscopy, elemental analysis, and X-ray diffraction (CCDC no. 2255017 (II), 2255018 (III), 2255019 (IV)).

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二亚胺氢化铝结合的二氧化碳与二甲基硫化硼烷和氨的反应

AbstractThe reaction of aluminum bis-formate acenaphthene-1,2-diimine complex [(ArBIG-bian)Al(μ-OC(H)O)2Li(Thf)2] (I) (ArBIG-bian = 1,2-bis[(2,6-dibenzhydryl-4-methylphenyl)imino]acenaphthene)、研究了由二亚胺氢化铝[(ArBIG-bian)Al(H)2]-[Li(Thf)4]+ 与硼烷二甲基硫醚和氨结合制备的二氧化碳。I 与 BH3∙SMe2 (1 : 1) 在甲苯中反应生成了一个甲酸基团的硼氢化产物 [(ArBIG-bian)Al(μ-OC(H)O)(OB(H)OCH3)Li(Thf)]2（II），而 I 与 BH3∙SMe2 (1 ：2）的反应伴随着两个甲酸基团的还原，并得到复合物[(ArBIG-bian)Al(OBOCH3)2OLi2(Thf)2BH4]2（III）、甲氧基硼氧烷（CH3OBO）3 以及可能的化合物[(ArBIG-bian)AlOCH3]。I 与一当量的氨在 THF 中反应生成加合物[(ArBIG-bian)Al(NH3)(μ-OC(H)O)2Li(Thf)2]（IV），其中氨与铝原子配位，而 I 中的关键键没有发生氨解作用。化合物 II-IV 的特征采用了红外光谱、核磁共振光谱、元素分析和 X 射线衍射（CCDC 编号：2255017 (II)、2255018 (III)、2255019 (IV)）。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.