Rc. Bernotas et G. Adams, 4,4A,5,6-HEXAHYDRO-1H-PYRAZINO[1,2-ALPHA]QUINOLINE SYNTHESIS VIA A [3-CYCLOADDITION(2]), Tetrahedron letters, 37(41), 1996, pp. 7343-7344
A constrained aryl piperazine, 2,3,4,4a,5,6-hexahydro-1H-pyrazino[1,2-
a] has been synthesized using an intramolecular aromatic substitution
as the key step. Copyright (C) 1996 Elsevier Science Ltd