(R)-methyl-3-(3-cyclopentyloxy-4-methoxyphenyl)-3-ethynylpropionate 、
5-(3-iodophenyl)-3-methyl-[1,2,4]oxadiazole 在
四(三苯基膦)钯 、
碘化亚铜 silica gel CH2Cl2 、
正己烷 、
乙醚 作用下,
以
三乙胺 为溶剂,
反应 0.5h,
以gave the titled compound as an oil (73 mg, 17%) 1H NMR (400 MHz, CDCl3) δ 8.18 (s, 1 H), 8.02 (m, 1 H), 7.60 (m, 1 H), 7.60 (t, 1 H), 6.95 (m, 2 H), 6.86 (d, 1 H), 4.80 (m, 1 H), 4.33 (t, 1 H), 3.84 (s, 3 H), 3.72 (s, 3 H), 2.92 (d of d, 1 H), 2.82 (d of d, 1 H), 2.48 (s, 3 H), 1.78-2.02 (m, 6 H), 1.62 (m, 2 H)的产率得到(S)-methyl-3-(3-cyclopentyloxy-4-methoxyphenyl)-5-[3-(3-methyl[1,2,4]oxadiazol-5-yl)phenyl]pent-4ynoate