... 4, 16d, 2-pyridyl, (p-Br)Ph, BnO, 44 b. ... Full experimental details, characterization data ( 1 H NMR, 13 C NMR, LC/MS, and HRMS) for all new compounds, 2D ... DL Tetrahedron 1983, 39, 2869 [CrossRef], [CAS] 1. Diels-Alder reactions of azadienes. Boger, Dale L. Tetrahedron (1983 ...