Abstract

OLIVEIRA, Arildo José Braz de  and  KOIKE, Luzia. An alternative synthesis of 1,2,3,4-tetrahydro-9H-pyrido-[3,4-b]-indole. Rev. Bras. Cienc. Farm. [online]. 2003, vol.39, n.3, pp. 259-264. ISSN 1516-9332.  http://dx.doi.org/10.1590/S1516-93322003000300005.

The 1,2,3,4-tetrahydro-9H-pyrido-[3,4-b]-indole, a compound with tranquillizing properties, was prepared in 16% overall yield from the 3-indole-acetaldehyde and tryptamine by applying the classical Pictet-Spengler condensation. Physical and spectroscopic data for such compound are presented.

Keywords : Indole derivatives; Tranquillizing properties; 3-Indoleacetaldehyde; Pictet-Spengler reaction; Oxidation.