Page 88 - 《精细化工》2023年第9期
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·1936·                            精细化工   FINE CHEMICALS                                 第 40 卷

                 将 4-烯丙氧基苯甲醛(1.60 g,0.01 mol)、苯                (DMSO-d 6 , 400  MHz),  δ: 10.36 (s, 1H, OH),
            乙酮(1.20 g,0.01 mol)、无水乙醇(10 mL)加                   8.10~8.01 (m, 2H, Ar—H), 7.91~7.85 (d, J = 16.0 Hz,
                                                               1H, ==CH—Ar), 7.79~7.61 (m, 3H, Ar—H,
            入配有恒压漏斗、蛇形冷凝管的 50 mL 单口烧瓶中,                        O==C—CH), 7.07~6.85 (m, 4H, Ar—H), 6.06 (tt, J =
            室温下磁力搅拌溶解后,逐滴滴加 10 mL 3  mol/L                     16.8、5.5 Hz, 1H, ==CH), 5.42 (dd, J = 17.3、1.7 Hz,
            NaOH 溶液,30 min 左右滴完。搅拌反应 7 h,滤去                    1H, ==CH 2 ), 5.28 (dd, J = 10.5、1.5 Hz, 1H, ==CH 2 ),
                                                                                           13
            反应液得到浅黄色固体,用体积分数 95%的乙醇水                           4.64 (d,  J =  5.3 Hz, 2H, CH 2 );  CNMR (DMSO-d 6 ,
            溶液重结晶纯化,干燥后制得浅黄色固体粉末状化                             101 MHz), δ: 190.85, 162.58, 162.49, 143.89, 133.09,
                                                               131.70, 131.41 (2C), 129.77 (2C), 128.16, 120.97,
            合物(E)-3-(4-烯丙氧基)苯基-1-苯基丙-2-烯-1-酮
                                                               118.17 (2C), 116.57, 115.03 (2C), 68.79。LC-MS (ESI),
            (Ⅱ),记为 Blank-Cha,收率 83.2%,熔点:                                        +
                             1
            106.7~107.6  ℃。 HNMR (CDCl 3 , 400 MHz),  δ:       m/Z : [C 18 H 16 O 3 +H] 理论 值 281.1099 ,实测 值
            7.97~7.90 (m, 2H, Ar—H), 7.71 (d, J = 15.6 Hz, 1H,   281.1041。
            ==CH—Ar), 7.56~7.44 (m, 3H, Ar—H), 7.47~7.36 (m,       制备方法同 Blank-Cha,苯乙酮改用对甲氧基苯
            2H, Ar—H), 7.34 (d, J = 15.6 Hz, 1H, O==C—CH==),   乙酮(1.50 g,0.01 mol),制得白色至浅黄色固体
            6.91~6.81 (m, 2H, Ar—H), 5.98 (m, J = 17.3 Hz, 1H,   粉末状化合物(E)-3-(4-烯丙氧基)苯基-1-(4-甲氧基
            ==CH), 5.36 (dd, J = 17.3、1.6 Hz, 1H, ==CH 2 ), 5.24
                                                               苯基)丙-2-烯-1-酮(Ⅳ),记为 Methoxy-Cha,收率
            (dd, J = 10.5、1.4 Hz, 1H, ==CH 2 ), 4.51 (d, J = 5.3 Hz,   85.8%,熔点:135.4~136.6 ℃。 HNMR (CDCl 3 , 400
                                                                                           1
                      13
            2H, CH 2 );  CNMR (CDCl 3 , 101 MHz),  δ: 190.55,   MHz), δ: 8.07~7.99 (m, 2H, Ar—H), 7.77 (d, J = 15.6
            160.68, 144.65, 138.51, 132.72, 132.55, 130.20 (2C),   Hz, 1H, ==CH—Ar), 7.63~7.55 (m, 2H, Ar—H), 7.43
            128.56 (2C), 128.41 (2C), 127.75, 119.85,  118.05,   (d, J = 15.6 Hz, 1H, O==C—CH), 7.02~6.90 (m, 4H,
            115.17 (2C), 68.86 。 LC-MS (ESI),  m/Z :           Ar—H), 6.06 (m, J = 17.2 Hz, 1H, ==CH), 5.43 (dd,
                        +
            [C 18 H 16 O 2 +H] 理论值 265.1150,实测值 265.1171。      J =  17.2、1.6 Hz, 1H, ==CH 2 ), 5.31 (dd,  J = 10.5、
                 制备方法同 Blank-Cha,苯乙酮改用对羟基苯乙                    1.4 Hz, 1H, ==CH 2 ), 4.58 (d, J = 5.3 Hz, 2H, CH 2 ),
                                                                                13
                                                               3.88 (s, 3H,  CH 3 );  CNMR (CDCl 3 , 101 MHz,),  δ:
            酮(1.36 g,0.01 mol),反应完成后,用 3 mol/L
                                                               187.69, 162.25, 159.48, 142.72, 131.75, 130.33,
            盐酸将体系 pH 调节至 2,滤去反应液得到黄色膏状                         129.67 (2C),  129.05  (2C),  126.92, 118.60, 116.99,
            固体,用去离子水洗涤至少 3 次,干燥后制得浅黄                           114.10 (2C), 112.76 (2C), 67.83, 54.44。LC-MS (ESI),
                                                                                 +
            色固体块状化合物(E)-3-(4-烯丙氧基)苯基-1-(4-羟                    m/Z : [C 19 H 18 O 3 +H] 理论 值 295.1256 ,实 测值
            基苯基)丙-2-烯-1-酮(Ⅲ),记为 Oxhydryl-Cha,                  295.1100。
                                                   1
            收率 52.5%,熔点:171.1~174.8  ℃。 HNMR                       合成路线如下:
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