The pictet-spengler reaction of Nb-hydroxytryptamines and cysteinals. I. Isolation of tetracyclic intermediates and formation of optically active Nb-hydroxy-tetrahydro-β-carbolines.
The pictet-spengler reaction of Nb-hydroxytryptamines and cysteinals. I. Isolation of tetracyclic intermediates and formation of optically active Nb-hydroxy-tetrahydro-β-carbolines.