864953-83-3Relevant articles and documents
1-Substituted β-carbolines by a Pictet-Spengler cyclization with thioortho esters and carbon-carbon bond formation via N-sulfonyl iminium ions generated from N,S-sulfonyl acetals
Silveira, Claudio C.,Felix, Luciana A.,Braga, Antonio L.,Kaufman, Teodoro S.
, p. 3701 - 3704 (2005)
(Chemical Equation Presented) The reaction of N-tosyltryptamines with thioortho esters, leading to 1-thiosubstituted tetrahydro-β-carbolines under modified Pictet-Spengler conditions, is described. The 1-heterosubstituted β-carbolines furnished 1-substitu