16642-92-5
53473-36-2
一般步驟:將(E)-4-三氟甲基肉桂酸(10.0 g,46.3 mmol)與10 wt% Pd/C催化劑(250 mg)在乙醇(100 mL)中混合。將反應混合物置于氫氣氛圍(6 bar)下,室溫攪拌反應21小時。反應完成后,通過硅藻土墊過濾除去催化劑,濾液經(jīng)減壓濃縮除去溶劑,得到3-(4-三氟甲基)苯丙酸,為白色固體(10.1 g,46.1 mmol,收率100%)。產(chǎn)物結構經(jīng)1H-NMR(CDCl3)確認:δ 2.73(t,J = 7.6 Hz,2H),3.03(t,J = 7.6 Hz,2H),7.33(d,J = 8.0 Hz,2H),7.56(d,J = 8.1 Hz,2H)。
參考文獻:
[1] Patent: WO2010/64212, 2010, A1. Location in patent: Page/Page column 23
[2] Canadian Journal of Chemistry, 2012, vol. 90, # 9, p. 758 - 761
[3] Bioorganic and Medicinal Chemistry, 2009, vol. 17, # 10, p. 3557 - 3567
[4] Patent: US2010/10226, 2010, A1. Location in patent: Page/Page column 7-8
[5] Patent: US2010/305325, 2010, A1. Location in patent: Page/Page column 2; 3; 8