“…The title compound was obtained as a colorless powder (0.295 g, 97%) and no further purification was necessary. (11), 245 (5), 327 (26), 364 (7), 426(4), 502 (12), 541(5), 620(2), 711(1), 820(3), 898 (33), 952(3), 1005 (6), 1064(1), 1106 (24), 1375 (35), 1385(100), 1452 (18) (E)-1,1,1,4,4-Pentamethyl-2-tetrazenium iodide (4) 50 . Compound 1 (1.290 mL, 1.16 g, 9.99 mmol) was loaded in a 10 mL round-bottom flask and cooled to 0 1C by means of a water/ice bath.…”