4-Pentyn-1-ol → Tert-butyl 3-(3-(5-hydroxypent-1-ynyl)phenyl)propylcarbamate

Participants

Reaction Steps

Sonogashira reaction of bromide 57 with 4-pentyn-1-ol gave tert-butyl 3-(3-(5-hydroxypent-1-ynyl)phenyl)propylcarbamate as yellow oil. Yield (0.653 g, 59%): 1H NMR (400 MHz, CDCl3) δ 7.17-7.23 (m, 3H), 7.08 (d, J=7.2 Hz, 1H), 4.53 (bs, 1H), 3.83 (t, J=6.0 Hz, 2H), 3.10-3.18 (m, 2H), 2.60 (t, J=7.8 Hz, 2H), 2.54 (t, J=7.0 Hz, 2H), 1.83-1.90 (m, 2H), 1.74-1.82 (m, 2H), 1.44 (s, 9H).

Provenance & Evidence