Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... A five-step total synthesis of the furo[3,2-a]carbazole alkaloid, furostifoline, was achieved using a Pd(0)-catalyzed cross-coupling reaction. ... (4) 1 H NMR (CDCl 3 , 400 MHz) δ 7.56 (1H, d, 2.2 Hz), 7.50 (1H, d, 1.9 Hz), 6.64 (1H, d, 2.2 Hz), 2.45 (3H, s). ... (7) 1 H NMR (CDCl 3 , ...