Q. Ding, Jie Wu
Aug 4, 2008
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Advanced Synthesis & Catalysis
Abstract
Electrophilic cyclization of 2-alkynylbenzaldoximes with various electrophiles leads to the formation of 4-iodoisoquinoline N-oxides or 4-bromoisoquinoline N-oxides under mild conditions. The reaction can be transferred to highly functionalized isoquinoline N-oxides via palladium-catalyzed cross-coupling reactions.