Scheme 2.
Substrate Scope for C−N Coupling Reaction
a10 mol % Cu/L7; b2 mol % Cu/L7; c5 mol % Cu/L7; d8 mol % Cu/L7; ewithout HE; f48 h; g60 h. HE = Hantzsch ester
Substrate Scope for C−N Coupling Reaction
a10 mol % Cu/L7; b2 mol % Cu/L7; c5 mol % Cu/L7; d8 mol % Cu/L7; ewithout HE; f48 h; g60 h. HE = Hantzsch ester