21172-86-1Relevant academic research and scientific papers
An alternative approach to the synthesis of functionalized pyrido[2,3-b]indoles
Beccalli, Egle M,Clerici, Francesca,Marchesini, Alessandro
, p. 4787 - 4792 (2001)
A new synthesis of α-carbolines was developed starting from the easily accessible 3-substituted indol-2(3H)-one derivatives 2 and enamines 3. The intermediates 4 afforded the α-carbolines 5 and 6 by thermal cyclization with ammonium acetate in glacial acetic acid by way of pyridine ring formation.
