反应详情

5-Cyclohexylmethoxy-2-fluorobenzyl cis-2,6-dimethylpiperazine-1-carboxylate was prepared from 2-fluoro-5-hydroxybenzyl alcohol, cyclohexylmethyl bromide and 1-chlorocarbonyl-cis-2,6-dimethyl-4-tert-butoxycarbonylpiperazine according to the methods described for Examples 54 and 121 to give the product as a yellow oil (10.8%); HPLC (XTERRA, 50/80, 220 nm) 91.4% (6.77 min); NMR δH (400 MHz, DMSO-d6) 1.016(2H, m), 1.204(8H, m), 1.735(5H, m), 2.681(4H, m), 3.291(2H, s), 3.737(2H, d, J 6.5 Hz), 3.905(2H, m) 5.078(2H, s), 6.931(2H, m) and 7.119(1H, t, J 9.0 Hz).