Pinhong Chen, Lidong Cao, Chaozhong Li
Index: J. Org. Chem. 74(19) , 7533-5, (2009)
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With chemoselective Dieckmann condensation as the key step, the protective-group-free total synthesis of (+/-)-subincanadine F was accomplished in 7 steps from the commercially available tryptamine in 33% overall yield.