CN107033073B - 用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法 - Google Patents

用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法 Download PDF

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CN107033073B
CN107033073B CN201710355942.5A CN201710355942A CN107033073B CN 107033073 B CN107033073 B CN 107033073B CN 201710355942 A CN201710355942 A CN 201710355942A CN 107033073 B CN107033073 B CN 107033073B
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黄文雍
赵海源
曹筱琳
潘英明
王恒山
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Guangxi Normal University
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    • C07D215/12Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
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    • C07D215/16Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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    • C07D215/16Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
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Abstract

本发明公开了一种用2‑甲基喹啉化合物合成2‑(4’‑羟基)苯基‑喹啉化合物的方法,以2‑甲基喹啉和二炔酮类化合物为原料,在无催化剂的条件下,合成了具有重要作用的2‑(4’‑羟基)苯基‑喹啉类化合物,即2‑苯酚基‑喹啉,其原子经济性好,绿色环保,避免了重、贵金属的使用对环境污染等一系列严重问题。该方法所需实验操作简单方便,原料简单易得,反应步骤少,产量高,应用前景广泛。

Description

用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的 方法
技术领域
本发明涉及2-(4’-羟基)苯基-喹啉化合物的合成,具体是一种用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法。
背景技术
酚类化合物结构的特异性使其呈现出多种多样的生物学活性,其中包括酶抑制、抗氧化、抗炎、抗微生物和细胞毒活性等, 为拓展新药研发展示了良好的前景。而2-苯基-喹啉类衍生物具有广泛的生物活性,曾被用来作为解热镇痛抗炎药,现在主要用于兽医治疗动物炎症反应,同时,这类化合物具有良好的抗肿瘤和抗病毒作用。Kaila报道了一类新型的2-苯基-喹啉类衍生物,具有良好的P-选择素抑制活性。在抗类风湿性关节炎,动脉粥样硬化治疗,抗血栓等具有良好的生物活性(J. Med. Chem., 2007, 50 (1), 21–39.)。Zarghi报道了2-苯基-喹啉类衍生物具有抑制剂COX-2的作用。而抗炎药主要通过抑制COX-2发挥作用,此外,在癌症治疗尤其是结肠癌化疗以及帕金森氏综合征等疾病方面,COX-2抑制剂具有良好的活性(Bioorg. Med. Chem., 2009, 17 (14), 5312–5317.;Bioorg. Med.Chem., 2010, 18 (3), 1029–1033.)。2-苯基-喹啉类衍生物对二氢乳清酸脱氢酶(DHODH)具有抑制作用。布喹那(brequinar,BQR)是一种新型的二氢乳清酸脱氢酶抑制剂,属于2-苯基-喹啉类衍生物,是一种新型的抗肿瘤药物,目前已经进入Ⅱ期临床研究,主要用于晚期黑色素瘤,乳腺癌,肺癌等癌症的治疗。
关于苯基-喹啉化合物的合成研究主要是通过Suzuki偶联反应来实现的,这一类反应需要在钌、铑、钯等贵金属催化下进行;反应底物一般为苯基硼酸和喹啉氯化物,苯基硼酸及一些催化剂的价格昂贵,并且不易得。部分反应的条件较为苛刻,需要在高温条件下进行,反应的催化体系复杂(J. AM. CHEM. SOC. 2008, 130, 14926–14927.)。此外,在部分反应中存在选择性差的现象,因此寻找一种高效、快速、选择性好的合成苯基-喹啉化合物的途径一直是科学家们追求的目标之一。
发明内容
本发明的目的是提供一种用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法,该方法所需实验操作简单方便,原料简单易得,反应步骤少,产量高,应用前景广泛。
实现本发明目的的技术方案是:
一种用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法,合成方法通式为:
其中,溶剂为N,N-二甲基甲酰胺(DMF)、氯苯等;
所述2-(4’-羟基)苯基-喹啉化合物的通用合成方法,步骤包括:
1)在25 mL的封管中依次加入 0.6 mmol 的2-甲基喹啉(1),0.5 mmol的二炔酮(2),1 mL的溶剂(如:N,N-二甲基甲酰胺、氯苯),在100 oC条件下搅拌反应10 h,用TLC检测反应;
2)待反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化,得到2-(4’-羟基)苯基-喹啉(3)。
本发明提供了一条合成2-(4’-羟基)苯基-喹啉类化合物的新方法,重要的是它在无催化剂的条件下进行反应,原子经济性好,绿色环保,避免了重、贵金属的使用对环境污染等一系列严重问题。该方法所需实验操作简单方便,原料简单易得,反应步骤少,产量高,应用前景广泛。
具体实施方式
下面结合实施例中六种2-(4’-羟基)苯基-喹啉类化合物的合成方法及产物表征对本发明内容作进一步的说明,但不是对本发明的限定。
本发明用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法,合成方法通式为:
其中,溶剂为N,N-二甲基甲酰胺(DMF)、氯苯等。
实施例1
2-(4’-羟基-2’,6’-二苯基)苯基-喹啉的合成:
根据合成方法通式,在25 mL封管中依次加入 2-甲基喹啉(1a, 0.6 mmol),二炔酮(2a, 0.5 mmol),氯苯 (1 mL),在100 oC条件下搅拌反应10 h;用TLC检测反应,反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化(洗脱剂为石油醚:乙酸乙酯=10:1)得浅黄色固体3a 158.5 mg,产率85%,其结构式为:
产物表征:1H NMR (400 MHz, DMSO): δ 10.05 (s, 1H), 7.86 (d, J = 8.4Hz, 1H), 7.73 (d, J = 8.0 Hz, 1H), 7.66 (d, J = 8.4 Hz, 1H), 7.55 (t, J = 7.6Hz, 1H), 7.42 (t, J = 7.4 Hz, 1H), 7.05 (s, 10H), 6.97 (d, J = 8.4 Hz, 1H),6.88 (s, 2H) ppm; 13C NMR (100 MHz, DMSO): δ 159.7, 157.3, 147.2, 143.4,141.7, 134.9, 130.5, 129.6, 129.0, 128.0, 128.0, 126.8, 126.5, 126.1, 125.6,116.5 ppm; HRMS (m/z) (ESI): calcd for C27H20NO 374.1539 [M+H+]; found374.1535。
实施例2
2-(4’-羟基-2’,6’-二苯基)苯基-6-乙氧基-喹啉的合成:
根据合成方法通式,在25 mL的封管中依次加入 6-乙氧基-2-甲基喹啉(1b, 0.6mmol),二炔酮(2b, 0.5 mmol),DMF (1 mL) ,100 oC条件下搅拌反应10 h;用TLC检测反应,反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化(洗脱剂为石油醚:乙酸乙酯=10:1)得浅黄色固体3b 163 mg,产率78%,其结构式为:
产物表征:1H NMR (400 MHz, DMSO): δ 9.90 (s, 1H), 7.75 (d, J = 8.5 Hz,1H), 7.56 (d, J = 9.2 Hz, 1H), 7.20 (dd, J = 9.1, 2.7 Hz, 1H), 7.11 (d, J =2.7 Hz, 1H), 7.07 (d, J = 5.9 Hz, 10H), 6.91 (d, J = 8.4 Hz, 1H), 6.88 (s,2H), 4.06 (q, J = 6.9 Hz, 2H), 1.34 (t, J = 6.9 Hz, 3H) ppm; 13C NMR (100 MHz,DMSO): δ 157.2, 156.9, 156.7, 143.4, 143.2, 141.9, 133.7, 130.6, 130.5,129.6, 128.0, 127.1, 126.7, 125.7, 122.0, 116.4, 106.5, 63.8, 15.0 ppm; HRMS(m/z) (ESI): calcd for C29H24NO2 418.1802 [M+H+]; found 418.1803。
实施例3
2-(4’-羟基-2’,6’-二噻吩基)苯基-喹啉的合成:
根据合成方法通式,在25 mL的封管中依次加入 2-甲基喹啉(1c, 0.6 mmol),1,5-二噻吩-1,4-二炔戊酮(2c, 0.5 mmol),氯苯 (1 mL),在100 oC条件下搅拌反应10 h;用TLC检测反应,反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化(洗脱剂为石油醚:乙酸乙酯=10:1)得浅黄色固体3c 163 mg,产率89%,其结构式为:
产物表征:1H NMR (400 MHz, DMSO): δ 9.99 (s, 1H), 8.04 (d, J = 8.4 Hz,1H), 7.89–7.75 (m, 2H), 7.64 (ddd, J = 8.4, 6.9, 1.4 Hz, 1H), 7.49 (ddd, J =8.1, 7.0, 1.1 Hz, 1H), 7.18 (dd, J = 5.1, 1.2 Hz, 2H), 7.10 (d, J = 8.4 Hz,1H), 6.97 (s, 2H), 6.67 (dd, J = 5.1, 3.6 Hz, 2H), 6.60 (dd, J = 3.6, 1.2 Hz,2H) ppm; 13C NMR (100 MHz, DMSO): δ 159.2, 157.4, 147.4, 142.5, 136.2, 135.7,130.2, 130.0, 129.5, 128.3, 127.5, 127.4, 127.1, 127.1, 125.1, 116.6 ppm;HRMS (m/z) (ESI): calcd for C23H16NOS2 386.0673 [M+H+]; found 386.0657。
实施例4
2-(4’-羟基-2’,6’-二苯基)苯基-6-氟-喹啉的合成:
根据合成方法通式,在25 mL的封管中依次加入 6-氟-2-甲基喹啉(1d, 0.6mmol),1,5-二苯基-1,4-二炔戊酮(2 d, 0.5 mmol),氯苯(1 mL),100 oC条件下搅拌反应10 h;用TLC检测反应,反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化(洗脱剂为石油醚:乙酸乙酯= 10:1)得浅黄色固体3d 153 mg,产率78%,其结构式为:
产物表征:1H NMR (400 MHz, DMSO): δ 9.98 (s, 1H), 7.89 (d, J = 8.5 Hz,1H), 7.71 (dd, J = 9.2, 5.5 Hz, 1H), 7.56 (dd, J = 9.4, 2.8 Hz, 1H), 7.47(td, J = 8.9, 2.9 Hz, 1H), 7.15–6.98 (m, 12H), 6.89 (s, 2H) ppm; 13C NMR (100MHz, DMSO): δ 161.1, 159.2, 158.7, 157.4, 144.4, 143.4, 141.7, 134.4, 131.8,130.2, 129.6, 128.1, 126.8, 126.8, 126.6, 126.3, 119.5, 116.5, 111.0 ppm;HRMS (m/z) (ESI): calcd for C27H19FNO 392.1445 [M+H+]; found 392.1440。
实施例5
2-(4’-羟基-2’-环丙基-6’-苯基)苯基-喹啉的合成:
根据合成方法通式,在25 mL的封管中依次加入 2-甲基喹啉(1e, 0.6 mmol),1-环丙基-5-苯基-1,4-二炔戊酮(2e, 0.5 mmol),氯苯(1 mL),在100 oC条件下搅拌反应10h;用TLC检测反应,反应结束后冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化(洗脱剂为石油醚:乙酸乙酯=10:1)得浅黄色固体3e 118 mg,产率70%,其结构式为:
产物表征:1H NMR (400 MHz, DMSO) δ 9.65 (s, 1H), 8.08 (d, J = 8.4 Hz,1H), 7.96 (d, J = 8.4 Hz, 1H), 7.87 (d, J = 8.0 Hz, 1H), 7.70 (ddd, J = 8.4,7.0, 1.4 Hz, 1H), 7.58–7.49 (m, 1H), 7.12 (d, J = 8.4 Hz, 1H), 7.08–7.03 (m,5H), 6.67 (d, J = 2.4 Hz, 1H), 6.47 (d, J = 2.3 Hz, 1H), 1.81–1.55 (m, 1H),0.59 (s, 4H) ppm; 13C NMR (100 MHz, DMSO): δ 160.3, 157.7, 147.6, 143.9,142.3, 141.8, 135.5, 132.0, 129.7, 129.6, 129.3, 128.2, 128.1, 126.8, 126.6,126.4, 125.2, 114.4, 110.3, 13.8, 9.3 ppm; HRMS (m/z) (ESI): calcd forC24H20NO 338.1539 [M+H+]; found 338.1537。
实施例6
2-(4’-羟基-2’-正丙基-6’-苯基)苯基-喹啉的合成:
根据合成方法通式,在25 mL的封管中依次加入2-甲基喹啉(1f, 0.6 mmol),1-正丙基-5-苯基-1,4-二炔戊酮(2f, 0.5 mmol),氯苯(1 mL),100 oC条件下搅拌反应10 h;用TLC检测反应,反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化(洗脱剂为石油醚:乙酸乙酯=10:1)得浅黄色固体3f 119 mg,产率70%,其结构式为:
产物表征:1H NMR (400 MHz, DMSO): δ 9.69 (s, 1H), 7.99 (dd, J = 14.9,8.5 Hz, 3H), 7.85 (d, J = 8.1 Hz, 1H), 7.71 (t, J = 7.6 Hz, 1H), 7.58–7.50(m, 2H), 7.08–7.01 (m, 6H), 6.97 (d, J = 8.4 Hz, 1H), 6.79 (d, J = 2.3 Hz,1H), 6.70 (d, J = 2.1 Hz, 1H), 2.39 (s, 2H), 1.37 (dd, J = 14.5, 7.2 Hz, 3H),0.64 (t, J = 7.3 Hz, 4H) ppm; 13C NMR (100 MHz, DMSO): δ 160.2, 157.3, 147.5,143.0, 142.5, 141.9, 135.3, 131.0, 129.8, 129.6, 129.3, 128.2, 128.1, 126.9,126.8, 126.4, 125.1, 115.7, 114.8, 35.7, 24.2, 14.4 ppm; HRMS (m/z) (ESI):calcd for C24H22NO 340.1696 [M+H+]; found 340.1694。

Claims (2)

1.用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法,其特征是:其合成方法通式为:
R为H、乙氧基、氟;
R1和R2分别独立的为苯基、噻吩基、环丙基、正丙基;
其中,溶剂为N,N-二甲基甲酰胺、氯苯;
所述2-(4’-羟基)苯基-喹啉化合物的通用合成方法,步骤包括:
1)在25 mL的封管中依次加入 0.6 mmol 的2-甲基喹啉(1),0.5 mmol的二炔酮(2),1mL的溶剂,在100 oC条件下搅拌反应10 h,用TLC检测反应;
2)待反应结束后,冷却到室温,减压蒸馏除去溶剂,经快速硅胶柱层析纯化,得到2-(4’-羟基)苯基-喹啉(3)。
2.根据权利要求1所述的用2-甲基喹啉化合物合成2-(4’-羟基)苯基-喹啉化合物的方法,其特征是:步骤2)所述快速硅胶柱层析纯化,洗脱剂为石油醚:乙酸乙酯=10:1。
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Bronsted Acid Catalyzed and NIS-Promoted Cyclization of Diynones: Selective Synthesis of 4-Pyrone, 4-Pyridone, and 3-Pyrrolone Derivatives;Yi-Feng Qiu,等;《Journal of Organic Chemistry》;20131101;第78卷(第23期);第12018-12028页
芳基化反应构建氮杂环和硫杂环化合物研究;杨晓博;《清华大学博士学位论文》;20140715;全文

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