“…Hept-3-yn-1-yl 4-methylbenzenesulfonate was synthesized using a literature procedure 37 in 58% yield. 1 H NMR (CDCl3, 600 MHz): δ 7.80 (d, J = 7.8 Hz, 2H), 7.34 (d, J = 7.7 Hz, 2H), 4.06 (q, J = 7.3 Hz, 2H), 2.51 (d, J = 7.1 Hz, 2H), 2.45 (s, 3H), 2.5 (d, J = 7.9 Hz, 2H), 1.44 (quin, J = 7.2 Hz, 2H), 0.92 (t, J = 7.4 Hz, 3H).…”