Page 237 - 《精细化工》2023年第2期
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第 2 期                         赵传武,等:  喹啉多环系列化合物的一锅法合成                                    ·459·


            系在 90  ℃下搅拌 2 h。TLC〔展开剂:V(二氯甲烷)∶                   115.12, 113.23, 106.01 (d,  J =  25.5 Hz),  104.73,
            V(甲醇)=10∶1〕监测无 4-氯-5,7-二氟喹啉-3-甲酸乙                  102.73, 99.08 (d, J = 25.5 Hz), 64.20, 55.61, 14.30;
            酯剩余,停止加热,冷却降至室温,向反应液中加                             HRMS(ESI) , m/Z : 理论值              C 18 H 14 FN 3 O 2
                                                                     +
            入水 100 mL 和乙酸乙酯 50 mL,萃取有机相,有机                     [M+H] 324.1143,实测值 324.1149。
            相减压浓缩,粗品经柱层析分离〔洗脱剂:V(二氯                                5,9-二氟-12H-苯并[2,3][1,4]氧杂氮杂环庚并
            甲烷)∶V(甲醇)=20∶1〕得到目标产物Ⅲa,收率为                        [5,6,7-de]喹啉-1-甲酸乙酯(Ⅲd):淡黄色固体,
                                                                                                      1
            83.7%。其余产物的制备方法同上,只需改变化合物                          55 mg,收率为 80.3%,HPLC 纯度 98.79%; HNMR
            Ⅰ和Ⅱ(Ⅱ的化学式中,Y 可以为 O、S 或 NH,R                   2    (600 MHz, CDCl 3 ), δ:11.585 (s, 1H), 9.161 (s, 1H),
                                                               7.439 (d,  J =  8.4 Hz, 1H), 7.022~7.060 (m, 3H),
            可以为苯环衍生物、吡啶衍生物、脂肪环或脂肪链)
                                                               6.888~6.899 (m, 1H), 4.476 (q, J = 7.2 Hz, 2H), 1.475
            的种类,其余产物收率为 56.3%~97.1%。所有目标                       (t, J = 7.2 Hz, 3H); CNMR (150 MHz, CDCl 3 ), δ:
                                                                                 13
                                           1
            产物的结 构 经核磁共 振 氢谱( HNMR )、碳 谱                       168.84, 164.58 (d,  J =  271.5 Hz), 159.80 (d,  J =
              13
            ( CNMR)、高效液相色谱(HPLC)以及高分辨质                         246 Hz), 156.30 (d, J = 15 Hz), 156.05, 153.09 (d, J =
                                                               15 Hz), 152.63, 151.25, 130.27, 122.36 (d, J = 9.0 Hz),
            谱(HRMS)表征。
                                                               112.90 (d,  J =  25.5 Hz), 110.76 (d,  J =  19.5 Hz),
                 5- 氟 -12H- 苯并 [2,3][1,4] 氧杂氮杂环庚并              109.35 (d, J = 24 Hz), 107.48 (d, J = 25.5 Hz), 102.77,
            [5,6,7-de]喹啉-1-甲酸乙酯(Ⅲa):白色固体,54 mg,                61.65, 14.43;HRMS(ESI),m/Z:理论值 C 18 H 12 F 2 N 2 O 3
                                                    1
            收率 为 83.7% , HPLC 纯度 99.34% ; HNMR                 [M+H] 343.0899,实测值 343.0891。
                                                                     +
            (600 MHz, CDCl 3 ), δ:11.590 (s, 1H), 9.130 (s, 1H),   5-氟-10-甲氧基-12H-苯并[2,3][1,4]氧杂氮杂环
            7.388 (d,  J  = 10.2 Hz, 1H), 7.238~7.250 (m, 1H),   庚并[5,6,7-de]喹啉-1-甲酸乙酯(Ⅲe):淡黄色固体,
            7.105~7.126 (m, 2H), 7.025~ 7.061 (m, 2H), 4.470 (q,   61 mg,收率为 85.6%,HPLC 纯度 99.06%; HNMR
                                                                                                      1
                                                   13
            J = 6.6 Hz, 2H), 1.470 (t, J = 6.6 Hz, 3H); CNMR
                                                               (600 MHz, CDCl 3 ), δ:11.542 (s, 1H), 9.124 (s, 1H),
            (150 MHz, CDCl 3 ), δ:168.78, 164.60 (d, J = 252 Hz),   7.370~7.390  (m, 1H), 7.136 (d,  J =  9.0 Hz, 1H),
            156.80 (d,  J =  13.5 Hz), 153.05 (d,  J =  13.5 Hz),   6.987~7.006 (m, 1H), 6.215~6.634 (m, 1H), 6.536 (m,
            152.54, 151.39, 148.82,  133.76, 125.85, 125.54,   1H), 4.462 (q, J = 7.2 Hz, 2H), 3.768 (s, 3H), 1.467 (t,
            121.70, 110.35 (d, J = 19.5 Hz), 107.28 (d, J = 27 Hz),   J = 7.2 Hz, 3H)  ;  CNMR (150 MHz, CDCl 3 ), δ:
                                                                                13
            102.71, 61.51, 14.39;HRMS(ESI),m/Z:理论值             168.82, 164.68 (d, J = 252 Hz), 157.39, 157.20 (d, J =
                              +
            C 18 H 13 FN 2 O 3  [M+H] 325.0983,实测值 325.0988。   13.5 Hz),  152.50 (d,  J =  13.5 Hz),  152.42, 151.62,
                 5- 氟 -12H- 苯并 [2,3][1,4] 硫杂氮杂环庚并              142.84, 134.35, 122.24, 111.14, 110.51(d, J = 3.0 Hz),
                                                               110.14 (d, J = 21 Hz), 107.10 (d, J = 25.5 Hz), 106.39,
            [5,6,7-de]喹啉-1-甲酸乙酯(Ⅲb):白色固体,56 mg,                102.70, 61.56, 55.93, 14.40;HRMS(ESI),m/Z:理论
                                                    1
            收率 为 81.6% , HPLC 纯度 99.75% ; HNMR
                                                                                   +
                                                               值 C 19 H 15 FN 2 O 4  [M+H] 355.1089,实测值 355.1088。
            (600 MHz, CDCl 3 ), δ:11.885 (s, 1H), 9.181 (s, 1H),   5-氟-12H-吡啶并[3',4':2,3][1,4]氧杂氮杂环庚并
            7.549 (d, J = 7.2 Hz, 1H), 7.500 (d, J = 7.8 Hz, 1H),
            7.429~7.442 (m, 1H), 7.295~7.320 (m, 1H),          [5,6,7-de]喹啉-1-甲酸乙酯(Ⅲf):白色固体,62 mg,
                                                                                                 1
            7.134~7.167 (m, 2H), 4.495 (q, J = 7.2 Hz, 2H), 1.484   收率为 95.8%,HPLC  纯度 99.21%; HNMR (600
                               13
            (t, J = 6.6 Hz, 3H)  ; CNMR (150 MHz, CDCl 3 ), δ:  MHz, CD 3 OD), δ:9.425 (s, 1H), 8.932(s, 1H), 8.585
            168.99, 163.48 (d, J = 255 Hz), 154.39, 154.00 (d, J =   (d,  J = 4.8 Hz, 1H), 7.636~7.736 (m, 3H), 4.619 (q,
                                                                                                     13
            13.5 Hz),  152.55, 144.81,  135.75 (d,  J =  9.0 Hz),   J = 6.6 Hz, 2H), 1.528 (t, J = 6.6 Hz, 3H); CNMR
            131.88, 129.85, 128.59,  126.04, 123.62, 119.33,   (150 MHz, CD 3 OD+CF 3 COOH),  δ:167.54 (d,  J =
            119.30 (d, J = 25.5 Hz), 113.95 (d, J = 21 Hz), 104.93,   256.5 Hz),  166.68, 156.40  (d,  J =  15 Hz),  152.15,
            61.71, 14.41;HRMS(ESI),m/Z:理论值 C 18 H 13 FN 2 O 2 S   150.11, 145.83 (d, J = 18 Hz), 142.15, 139.35, 119.32,
                  +
            [M+H] 341.0755,实测值 341.0750。                       117.80, 116.99, 115.89, 111.65 (d,  J =  28.5 Hz),
                 5- 氟 -7,12- 二氢苯 并 [2,3][1,4] 二氮 杂环 庚并         110.61, 106.95, 64.53, 14.31;HRMS(ESI),m/Z:理论
                                                                                  +
                                                               值 C 17H 12FN 3O 3 [M+H] 326.0935,实测值 326.0929。
            [5,6,7-de]喹啉-1-甲酸乙酯(Ⅲc):橙色固体,56 mg,
                                                    1
            收率 为 86.4% , HPLC 纯度 99.65% ; HNMR                     5-氟-12H-吡啶并[4',3':2,3][1,4]氧杂氮杂环庚并
                                                               [5,6,7-de]喹啉-1-甲酸乙酯(Ⅲg):白色固体,62 mg,
            (600 MHz,  CD 3 OD+CF 3 COOH),  δ:9.040 (s,  1H),
                                                                                                      1
            7.021~7.035 (m, 1H), 6.958~6.976 (m,  1H), 6.875~   收率 为 94.5% , HPLC 纯度 97.96% ; HNMR
            6.900 (m, 1H), 6.793~ 6.806 (m, 2H), 6.757~6.778 (m,   (600 MHz,  CF 3 COOH+CDCl 3 ),  δ:13.144 (s, 1H),
            1H), 4.496 (q, J = 7.2 Hz, 2H), 1.474 (t, J = 7.2 Hz,   9.406 (s, 1H), 8.799 (s, 1H), 8.588 (d, J = 4.2 Hz, 1H),
                   13
            3H)  ; CNMR (150 MHz, CD 3 OD+CF 3 COOH), δ:       7.927 (d, J = 7.8 Hz, 1H), 7.584 (d, J = 5.4 Hz, 1H),
            168.10, 164.34 (d,  J =  255 Hz),  156.01, 145.60,   7.422 (d, J = 7.8 Hz, 1H), 4.571 (q, J = 7.2 Hz, 2H),
                                                                                          13
            135.97, 124.63, 123.84,  120.84, 118.89, 117.00,   1.485 (t,  J = 7.2 Hz,  3H) ; CNMR (150 MHz,
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