Stereoselective Intermolecular [2 + 2] Cycloadditions of Erlenmeyer–Plöchl Azlactones Using Visible Light Photoredox Catalysis
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The first report of the preparation of symmetric and nonsymmetric diaminotruxinic derivatives through the photoredox [2 + 2] cycloadditions of Erlenmeyer azlactones is described, affording the desired compounds in high regio- and diastereocontrol (only head-to-head coupling). Mechanistic studies by DFT suggest that the reaction proceeds through a neutral photocatalytic pathway.
创建时间：
2018-11-29
