Nitrated Confined Imidodiphosphates Enable a Catalytic Asymmetric Oxa-Pictet-Spengler Reaction.
作者： Sayantani Das , Luping Liu , Yiying Zheng , M. Wasim Alachraf , Walter Thiel
DOI: 10.1021/JACS.6B06626
关键词:
摘要: The development of a highly enantioselective catalytic oxa-Pictet–Spengler reaction has proven great challenge for chemical synthesis. We now report the first example such process, which was realized by utilizing nitrated confined imidodiphosphoric acid catalyst. Our approach provides substituted isochroman derivatives from both aliphatic and aromatic aldehydes with high yields excellent enantioselectivities. DFT calculations provide insight into mechanism.
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