Multicatalytic Tandem Reactions of 2‐Alkynylbenzaldoximes with Isocyanides

An efficient tandem reaction of 2‐alkynylbenzaldoximes with isocyanides co‐catalyzed by silver triflate and bismuth triflate has been developed, which gives rise to the unexpected N‐(isoquinolin‐1‐yl)formamides in good to excellent yields. The iodo‐ and bromo‐containing products could be obtained as well by variation of the reaction conditions.