辛醛缩异VC的合成及其性能研究  

Study on the synthesis of D-isoascorbyl octyl aldehyde acetal and its properties

作　　者：郑大贵[1] 叶红德[1] 余衍文[2] 陈志军[1] 丁艳[1] 

机构地区：[1]上饶师范学院江西省普通高校应用有机化学重点实验室,江西上饶334001 [2]南昌大学化学系,江西南昌330047

出　　处：《化学试剂》2007年第11期676-678,共3页Chemical Reagents

基　　金：江西省普通高校重点实验室科技计划项目(赣教技字[2006]302号)

摘　　要：以对甲苯磺酸为催化剂、N,N-二甲基乙酰胺为溶剂,由辛醛与异VC反应合成了标题化合物。其结构经EI-MS、FT-IR和1HNMR分析确证。考察了该化合物在几种溶剂中的溶解性和在乙醇溶液中的稳定性,用DPPH.法评价了其抗氧化性能。　D-isoascorbyl octyl aldehyde acetal was synthesized from the reaction of D-isoascorbic acid with octyl aldehyde using p-toluene sulfonic acid as the catalyst and dimethyl acetamide as the solvent.The title compound was characterized by EI-MS,FT-IR and ^1HNMR.The antioxidation activity and the stability of the title compound in ethanol were investigated by the DPPH· assay and by iodometry,respectively.

关 键 词：辛醛 异VC 辛醛缩异VC DPPH·法 

分 类 号：O621.25[理学—有机化学]