129968-09-8Relevant articles and documents
Carboxyl-mediated Pictet-Spengler reaction. Direct synthesis of 1,2,3,4-tetrahydro β-carbolines from tryptamine-2-carboxylic acids
Narayanan, Krishnaswamy,Cook, James M.
, p. 3397 - 3400 (1990)
The Pictet-Spengler condensation of various tryptamine-2-carboxylic acids 1 with carbonyl compounds in benzene/dioxane/trifiuoroacetic acid (Table) with simultaneous loss of carbon dioxide, afforded directly the corresponding 1,2,3,4-tetrahydro β-carbolin
Carboxyl-Mediated Pictet-Spengler Reaction. Direct Synthesis of 1,2,3,4-Tetrahydro-β-carbolines from Tryptamine-2-carboxylic Acids
Narayanan, Krishnaswamy,Schindler, Liesl,Cook, James M.
, p. 359 - 365 (2007/10/02)
The Pictet-Spengler condensation of various tryptamine-2-carboxylic acids 9a-f with carbonyl compounds in benzene/dioxane/trifluoroacetic acid (Table I) with simultaneous loss of carbon dioxide afforded directly the corresponding 1,2,3,4-tetrahydro-β-carb