Rhodium-Catalyzed NH Insertion of Pyridyl Carbenes Derived from Pyridotriazoles: A General and Efficient Approach to 2-Picolylamines and Imidazo[1,5-<i>a</i>]pyridines
作者:Yi Shi、Anton V. Gulevich、Vladimir Gevorgyan
DOI:10.1002/anie.201408335
日期:2014.12.15
A general and efficient NH insertion reaction of rhodium pyridyl carbenes derived from pyridotriazoles was developed. Various NH‐containing compounds, including amides, anilines, enamines, and aliphatic amines, smoothly underwent the NH insertion reaction to afford 2‐picolylamine derivatives. The developed transformation was further utilized in a facile one‐pot synthesis of imidazo[1,5‐a]pyridines.
开发了衍生自吡啶并三唑的铑吡啶基卡宾的通用且有效的NH插入反应。各种含 NH 的化合物,包括酰胺、苯胺、烯胺和脂肪胺,都能顺利地进行 NH 插入反应,得到 2-吡啶甲胺衍生物。开发的转化进一步用于咪唑并[1,5-a]吡啶的简便的一锅合成。