1: tryptamine With vinylsulfonylmethyl polystyrene in N,N-dimethyl-formamide 2: methyl iodide in N,N-dimethyl-formamide 3: With N-ethyl-N,N-diisopropylamine in dichloromethane Hoffman elimination; Further stages.;
参考文献
Wu, Tom Y. H.; Schulte, Peter G.
Organic Letters, 2002 , vol. 4, # 23 p. 4033 - 4035