PREPARATION OF CHIRAL HEXAHYDROQUINOLIZINONES AND TETRAHYDROINDOLIZINONES BY REGIOSTEREOSELECTIVE AND DIASTEREOSELECTIVE SONOCHEMICAL CYCLIZATION OF CHIRAL DIHYDROPYRIDINES
S. Raussou et al., PREPARATION OF CHIRAL HEXAHYDROQUINOLIZINONES AND TETRAHYDROINDOLIZINONES BY REGIOSTEREOSELECTIVE AND DIASTEREOSELECTIVE SONOCHEMICAL CYCLIZATION OF CHIRAL DIHYDROPYRIDINES, Tetrahedron letters, 37(10), 1996, pp. 1599-1602
Chiral hexahydroquinolizinones 13 and tetrahydroindolizinones 17 were
prepared from functionalized chiral dihydropyridines by regio- and dia
stereoselective sonochemical cyclization.