Tetrahedron
Tetrahedron
5 years ago

CuI-catalyzed Sonogashira reaction for the efficient synthesis of 1H-imidazo[2,1-a]isoquinoline derivatives

CuI-catalyzed Sonogashira reaction for the efficient synthesis of 1H-imidazo[2,1-a]isoquinoline derivatives
The Sonogashira reaction first, and then intra-molecular hydroamination of alkyne catalyzed by CuI/o-phen was proved to be an efficient method for the synthesis of imidazo[2,1-a]isoquinoline, phenanthro[9′,10′:4,5]imidazo[2,1-a]isoquinoline and acenaphtho[1′,2′:4,5]imidazo [2,1-a]isoquinoline derivatives in the presence of Cs2CO3.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017306762

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