Site-Selective Pyridyl Alkyl Ketone Synthesis from <i>N</i>-Alkenoxypyridiniums through Boekelheide-Type Rearrangements
作者:Qiang Liu、Chao-Shen Zhang、He Sheng、Dieter Enders、Zhi-Xiang Wang、Xiang-Yu Chen
DOI:10.1021/acs.orglett.0c01984
日期:2020.7.17
The Boekelheide rearrangement is often employed for the oxy-functionalization of alkyl groups in the 2-position of pyridines, yet the corresponding alkylation reaction has so far not been realized since 1954. N-Alkenoxypyridinium functionalization has been widely applied to synthesize various carbonyl compounds by only using the carbonyl unit. Herein, we describe a simple yet efficient alkylation of
该重排BOEKELHEIDE经常采用在吡啶的2位烷基的氧-官能化,但相应的烷基化反应迄今尚未实现自1954年以来Ñ -Alkenoxypyridinium官能已广泛应用于通过合成各种羰基化合物仅使用羰基单元。在本文中,我们描述了通过Boekelheide反应合成N -2-烯氧基吡啶鎓的简单而有效的烷基化反应,用于合成β-2-吡啶基烷基酮。