反应详情

2-Fluoro-5-(2-propenyl)oxybenzyl cis-2,6-dimethylpiperazine-1-carboxylate was prepared from 2-fluoro-5-hydroxybenzyl alcohol, allyl 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 (8.4%); HPLC (XTERRA, 50/80, 220 nm) 95.7% (2.87 min); NMR δH (400 MHz, DMSO-d6) 1.183(6H, d, J 6.5 Hz), 2.673(4H, m), 3.294(2H, bs), 3.910(2H, m), 4.572(2H, m), 5.078(2H, s), 5.252(1H, m), 5.371(1H, m), 6.022(1H, m), 6.948(2H, m) and 7.138(1H, t, J 9.5 Hz).