Copper immobilized on nano-silica triazine dendrimer (Cu(ii)-TD@nSiO2) catalyzed synthesis of symmetrical and unsymmetrical 1,3-diynes under aerobic conditions at ambient temperature†,10.1039/C3RA47184E

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Copper immobilized on nano-silica triazine dendrimer (Cu(ii)-TD@nSiO2) catalyzed synthesis of symmetrical and unsymmetrical 1,3-diynes under aerobic conditions at ambient temperature†

Mahboobeh Nasr-Esfahani,Iraj Mohammadpoor-Baltork,Ahmad Reza Khosropour,Majid Moghadam,Valiollah Mirkhani,Shahram Tangestaninejad,Vladislav Agabekov,Hadi Amiri Rudbari

RSC Advances Pub Date : 03/05/2014 00:00:00 , DOI:10.1039/C3RA47184E

Abstract

A highly efficient route for the synthesis of symmetrical and unsymmetrical 1,3-diynes has been developed by Cu(II)-TD@nSiO₂/DBU catalyzed homocoupling/heterocoupling of aromatic as well as aliphatic terminal alkynes under aerobic conditions at ambient temperature. The catalyst could be easily recovered and reused several times without significant loss of its activity.