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Reaction scope of the cyano cyclization of triptamine and triptophol derivatives. Reagents, conditions: a) 9 (1.5 equiv), RT, CH3CN, 2 h, unless otherwise stated. [a] CH2Cl2 was used as solvent. Molecular structures of 48 and 59 in the solid state. Anisotropic displacement shown at 50 % probability level. Only selected hydrogen atoms are shown.24
