Intramolecular Diels-Alder Reactions of 1,2,4-Triazines: Exploitation of the Thorpe-Ingold Effect for the Synthesis of 2,3-Cyclopentenopyridines and 5,6,7,8-Tetrahydroquinolines

Article abstract of DOI:10.1016/S0040-4039(00)84460-3

Intramolecular inverse electron-demand Diels-Alder reactions of 1,2,4-triazines assisted by the Thorpe-Ingold effect have been utilized in novel syntheses of 2,3-cyclopentenopyridines and 5,6,7,8-tetrahydroquinolines.