A Radical Roundabout for an Unprecedented Tandem Reaction Including a Homolytic Substitution with a Titanium-Oxygen Bond
作者:Andreas Gansäuer、Björn Rinker、Noëllie Ndene-Schiffer、Marianna Pierobon、Stefan Grimme、Mareike Gerenkamp、Christian Mück-Lichtenfeld
DOI:10.1002/ejoc.200400001
日期:2004.6
Conceptually novel homolytic substitutions (SH2) of ClCp2Ti−O bonds with benzylic, secondary and tertiary alkyl radicals are described. The intermediates and crucial transition structures were studied by DFT methods. The resulting atom economical radical tandem reaction can be utilized for the synthesis of structurally complex tetrahydrofurans from simple starting materials and is therefore of interest
描述了具有苄基、仲烷基和叔烷基自由基的 ClCp2Ti-O 键的概念新颖的均裂取代 (SH2)。通过 DFT 方法研究了中间体和关键的过渡结构。由此产生的原子经济自由基串联反应可用于从简单的起始材料合成结构复杂的四氢呋喃,因此对天然产物合成很感兴趣。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)