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The Reaction of CO2 with a Borylnitrene: Formation of an 3-Oxaziridinone
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2021-08-19 , DOI: 10.1002/anie.202105171
Virinder Bhagat 1 , Julia Schumann 1 , Holger F Bettinger 1
Affiliation  

The reaction of a borylnitrene with carbon dioxide is studied under cryogenic matrix isolation conditions. Photogenerated CatBN (Cat=catecholato) reacts with CO2 under formation of the cycloaddition product CatBNCO2, a 3-oxaziridinone derivative, after photoexcitation (>550 nm). The product shows Fermi resonances between the CO stretching and ring deformation modes that cause unusual 13C and 18O isotopic shifts. A computational analysis of the 3-oxaziridinone shows this cyclic carbamate to be less strained than an α-lactone or an α-lactame.

中文翻译:


CO2 与硼基氮烯的反应:形成 3-氧氮丙啶酮



研究了低温基质隔离条件下硼基氮烯与二氧化碳的反应。光致CatBN(Cat=儿茶酚)在光激发(>550 nm)后与CO 2反应形成环加成产物CatBNCO 2 ,​​一种3-氧杂氮丙啶酮衍生物。该产品显示了 CO 拉伸和环变形模式之间的费米共振,导致不寻常的13 C 和18 O 同位素位移。 3-氧氮杂环丙烷酮的计算分析表明,这种环状氨基甲酸酯的张力小于 α-内酯或 α-内酰胺。
更新日期:2021-10-12
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