[2,3]Sigmatropic Rearrangements of<i>N</i>-Benzyl-<i>N</i>-methyl-<i>N</i>(2-alkenyl)ammonium<i>N</i>-Methylides
作者:Hidehiko Sugiyama、Yoshiro Sato、Naohiro Shirai
DOI:10.1055/s-1988-27778
日期:——
Fluoride-ion induced desilylation of N-benzyl-N-methyl-N-(2-alkenyl)-N-[(trimethylsilyl)methyl]ammonium halides gave N-methylide intermediates which were isomerized to N-methyl-N-(2-alkenyl)-2-methylbenzylamines (Sommelet-Hauser rearrangement products) and N-methyl-N-(3-alkenyl)benzylamines (allyl rearrangement products) in DMF at room temperature.
氟离子诱导的 N-苄基-N-甲基-N-(2-烯基)-N-[(三甲基硅基)甲基]卤化铵脱硅反应产生了 N-甲酰胺中间体,这些中间体在室温下于 DMF 中异构化为 N-甲基-N-(2-烯基)-2-甲基苄胺(Sommelet-Hauser 重排产物)和 N-甲基-N-(3-烯基)苄胺(烯丙基重排产物)。