Project supported by the National Natural Science Foundation of China (No. 20832005) and the National Basic Research Program (973 Program) of China (No. 2010CB833200).
Five glutarimide alkaloids cordiarimide A (5), cordiarimide B (6), crotonimide A (3), crotonimide B (4), and julocrotine (2) have been synthesized starting from Boc-L-glutamine (7). The benzylic alcohol ch...