181514-26-1Relevant articles and documents
Preparation of 1,2,3,4-tetrahydroisoquinolines lacking electron donating groups - An intramolecular cyclization complementary to the Pictet-Spengler reaction
Stokker
, p. 5453 - 5456 (1996)
The synthesis of 1,2,3,4-tetrahydroisoquinolines via an intramolecular cyclization of N-trifluoroacylated phenethylamines devoid of electron donating groups, with paraformaldehyde mediated by acetic/sulfuric acid milieu is described.