Nucleophilic Substitution Reactions of 2-Chloropyridine with Polymethylenediols Using Phase-Transfer Catalysis: Selective Formation of Mono- or Diethers
作者:Chikara Kaneko、Yū Momose
DOI:10.1055/s-1982-29838
日期:——
BENZIMIDAZOLE COMPOUNDS
申请人:FUJI PHOTO FILM CO., LTD.
公开号:EP1197493B1
公开(公告)日:2004-03-24
US6787561B1
申请人:——
公开号:US6787561B1
公开(公告)日:2004-09-07
Ligand-free Cu-catalyzed O-arylation of aliphatic diols
作者:Yufen Zheng、Wenxing Zou、Laichun Luo、Jiabei Chen、Songwen Lin、Qi Sun
DOI:10.1039/c5ra12529d
日期:——
Coupling reaction between aryl iodides with aliphatic diols was realized with a ligand-free copper catalyst. This method was successfully applied in the process of scale-up synthesis of medicinal candidate product EMB-3.