The Pictet–Spengler reaction between tryptamine and (5-methoxy-2-nitrophenyl)-glyoxal in hot AcOH could trigger a redox-mediated cyclization and reduction sequence to form iheyamine A in 52% yield.
色胺和 (5-甲氧基-2-
硝基苯基)-
乙二醛在热 AcOH 中的 Pictet-Spengler 反应可以触发氧化还原介导的环化和还原序列,以 52% 的收率形成三胺 A。