Novel Synthesis of 4-Arylsulfenyl-3-hydroxy-2-pyrone: One Pot Substitution-Rearrangement-Cyclization Reaction of Acetonide Protected 4,5-Dihydroxy-2-chloroglycidic Ester by Sodium Arylthiolate
Convenient Rearrangement Reaction of 2‐Chloroglycidic Esters by PPh<sub>3</sub>: A New Synthetic Method of 3‐Chloro‐2‐keto Esters
作者:Takuzo Komiyama、Yutaka Takaguchi、Sadao Tsuboi
DOI:10.1080/00397910600764618
日期:2006.9
Abstract A convenient rearrangement reaction of 2‐chloroglycidic esters is reported. Treatment of 2‐chloroglycidic esters with PPh3 under refluxing condition results in the formation of 3‐chloro‐2‐keto esters in good to reasonable yields.