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114th General Meeting of Korean Chemical Society Highly Efficient Synthesis of 1,4-disubstituted-1,2,3-triazoles using Mesoporous-supported Cu(I) catalyst in scCO2

Submission Date :
8 / 28 / 2014 , 15 : 22 : 01
Abstract Number :
114082810828
Presenting Type:
Poster Presentation
Presenting Area :
유기화학
Authors :
민지은, 안소연, 이규형1, 허남회1, 김학원2,*
경희대학교 화학과, Korea
1서강대학교 화학과, Korea
2경희대학교 응용화학과, Korea
Assigned Code :
ORGN.P-846 Assigend Code Guideline
Presenting Time :
10월 15일 (수요일) 16:00~19:00

The azide-alkyne Huisgen 1,3-dipolar cycloaddition, or click reaction is an effective way to make connections between structures that bear a wide variety of functional groups and important method for the synthesis of 1,2,3-triazoles. Especially, Cu(I)-catalyzed click reaction in water and organic solvent have been studied well and reported. We have investigated the mesoporous silica-supported copper nitride catalyzed click reaction(1) in supercritical carbon dioxide (scCO2), considered as a sustainable, environmentally benign, green solvent, in the absence of amine additive. In this presentation, we will describe highly efficient Cu3N/Fe3N@SiO2-catalyzed click reactions with various terminal alkynes and azides in scCO2 and do test solubilities of various 1,2,3-triazole products in organic solvent and scCO2 to explain why a reaction in scCO2 shows higher yield than one in organic solvent .