CN112047925B - 一种n-(芳基/杂芳基)烷基-二酰胺的制备方法 - Google Patents

一种n-(芳基/杂芳基)烷基-二酰胺的制备方法 Download PDF

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CN112047925B
CN112047925B CN202010972424.XA CN202010972424A CN112047925B CN 112047925 B CN112047925 B CN 112047925B CN 202010972424 A CN202010972424 A CN 202010972424A CN 112047925 B CN112047925 B CN 112047925B
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钱波
祁早娟
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Lanzhou Institute of Chemical Physics LICP of CAS
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Abstract

本发明涉及一种N‑(芳基/杂芳基)烷基‑二酰胺的制备方法,在氮气保护下,将过渡金属、膦或氮配体、助催化剂、碱、溶剂、N‑卤代环二酰胺、烷基‑芳环或烷基‑杂芳环化合物依次加入到反应容器中,于80~140℃发生氧化胺化反应,6~48小时后反应结束,经蒸干溶剂、柱层析分离即得N‑(芳基/杂芳基)烷基‑二酰胺类化合物。本发明合成工艺简单,反应条件温和,产率高,易于工业化。

Description

一种N-(芳基/杂芳基)烷基-二酰胺的制备方法
技术领域
本发明涉及有机化学合成技术领域,尤其涉及一种N-(芳基/杂芳基)烷基-二酰胺的制备方法。
背景技术
N-(芳基/杂芳基)烷基-二酰胺是一步法合成伯胺和叔胺的重要中间体,而胺是在化学、医药、生物和材料科学等多种研究领域和工业生产中广泛使用的基本化学物质。现有的药物、农药、生物分子和天然产物大多数都含有胺基官能团,并在其中发挥重要作用。在各种胺类中,初级苄胺是一种高附加值的精细和大宗化学品,是高级化学品、生命科学分子和高分子的多功能原料和关键中间体。其中吡咯烷可以用于制备医药和有机中间体、农药、特种溶剂以及鎓类离子液体的原料等。
传统的合成N-(芳基/杂芳基)烷基-二酰胺化合物的方法有很多种,例如:(1)溴单质作用下,芳烃/杂芳烃与二酰胺钾盐通过三步法的反应;(2)碱作用下卤代芳烃/杂芳烃与二酰胺两步法的反应;(3)金属催化下芳基/杂芳基胺与二酸酐的反应;(4)金属与特殊配体在光催化下芳烃/杂芳烃与N-卤代环二酰胺的两步反应;(5)酸作用下4-氧代-4-[(苯基甲基)氨基]丁酸的反应;(6)金属催化下N-苄基马来酰亚胺的还原反应。虽然上述方法有较高的收率,但是这些方法受到贵金属、当量的强酸、有机卤代物、各种添加剂和底物适应性以及多步合成的限制,实际应用受到极大地限制。为克服上述反应的种种弊端,人们发展了喹啉类化合物与N-卤代环二酰胺的两步反应合成N-(芳基/杂芳基)烷基-二酰胺的方法,合成路线如下所示,具体参考文献:Zhao, Q.; Liu, S. Li, Y.; Wang, Q. J. Agric. Food Chem. 2009, 57, 2849-2855.
Figure 100002_DEST_PATH_IMAGE001
虽然这一方法较之前的方法有所进步,但是仍然存在一些不足:其一,该反应底物适应性受到限制,仅适用于N-杂芳烃类化合物、N-溴太亚胺;其二,该反应为两步反应,致使步骤经济性较低、合成成本上升。
发明内容
本发明所要解决的技术问题是提供一种简单、高效的N-(芳基/杂芳基)烷基-二酰胺的制备方法。
为解决上述问题,本发明所述的一种N-(芳基/杂芳基)烷基-二酰胺的制备方法,其特征在于:在氮气保护下,将过渡金属、膦或氮配体、助催化剂、碱、溶剂、N-卤代环二酰胺、烷基-芳环或烷基-杂芳环化合物依次加入到反应容器中,于80~140℃发生氧化胺化反应,6~48小时后反应结束,经蒸干溶剂、柱层析分离即得N-(芳基/杂芳基)烷基-二酰胺类化合物;所述过渡金属、所述膦或氮配体的摩尔比为1 : 1~3;所述烷基-芳环或烷基-杂芳环化合物、所述N-卤代环二酰胺、所述碱、所述过渡金属的摩尔比为20~3000:20~250:20~200:1;所述溶剂以N-卤代环二酰胺为基准,其浓度为0.25~1.25 mol/L。
合成路线如下所示:
Figure 775646DEST_PATH_IMAGE002
;或
Figure 100002_DEST_PATH_IMAGE003
;或
Figure 879737DEST_PATH_IMAGE004
所述过渡金属是指碘化亚铜(CuI)、乙酰丙酮铜(Cu(acac)2)、醋酸铜(Cu(OAc)2)、溴化亚铜(CuBr)、四氟硼酸四乙腈铜(Cu(CH3CN)4BF4)、六氟磷酸四乙腈铜(Cu(CH3CN)4PF6)、三氟甲磺酸铜(Cu(TFA)2)、三氟甲烷磺酸铜(Cu(OTf)2)、三氟甲烷磺酸镍(Ni(OTf)2)、四氟硼酸镍(NiBF4)、三水溴化镍(NiBr·3H2O)、四水醋酸镍(Ni(OAc)2·4H2O)、氯化铁(FeCl3)、六水四氟硼酸铁(Fe(BF4)2·6H2O)、醋酸铁(Fe(OAc)3)、三氟甲烷磺酸亚铁(Fe(OTf)2)、二水醋酸锰(Mn(OAc)3·2H2O)、高氯酸锰(Mn(ClO4)2)、氯化锰(MnCl2)、草酸锰(MnC2O4)、醋酸钴(Co(OAc)2)、氯化钴(CoCl2)、六水四氟硼酸钴(Co(BF4)2·6H2O)、乙酰丙酮钴(Co(acac)2)中的任意一种。
所述膦或氮配体是指1,10-菲啰啉、4-苯基吡啶、6-溴-2,2’-联吡啶、2,9-二甲基-4,7-二苯基-1,10-菲啰啉(BC)、2-溴-5-氯吡啶、2-2,-联吡啶、4,5-双-(二环己基膦)-9,9-二甲基氧杂蒽、1,2-双(二苯基膦)乙烷(DPPE)、1,1'-双(二苯基膦)二茂铁(DPPF)、2-(二环己基膦)-3,6-二甲氧基-2'-4'-6'-三-I-丙基-1,1'-联苯(Brettphos)、三苯基膦(PPh3)、1,3-双(二苯基膦)丙烷(DPPP)、顺-1,2-双(二苯基膦)乙烯(DPPen)、双二苯基膦甲烷(DPPm)、4,5-双二苯基膦-9,9-二甲基氧杂蒽(Xantphos)、三(邻甲基苯基)膦、双(2-二苯基膦基苯基)醚或1,1'-联萘-2,2'-双二苯膦(BINAP)、2-二叔丁基膦-2’-甲基联苯中的任意一种。
所述助催化剂是指一水溴化锂(LiBr·H2O)、溴化锂(LiBr)、碘化锂(LiI)、氯化锂(LiCl)、四甲基氯化铵(Me4N+Cl-)、四甲基溴化铵(Me4N+Br-)、四甲基碘化铵(Me4N+I-)、十六烷基三甲基溴化铵、四丁基溴化铵、四丁基碘化铵、四丁基氯化铵、三甲基苯基碘化铵、四丁基四氟硼酸铵、氯化钾(KCl)、氯化镁(MgCl2)、偶氮二异丁腈(AIBN)、2,2,6,6,-四甲基哌啶氧化物(TEMPO)中的任意一种。
所述碱是指碳酸钾、叔丁醇钾、氢氧化钠、氢氧化钾、碳酸铯、碳酸钠、甲醇钠、乙醇钠、三乙胺、醋酸钠、醋酸钾、磷酸钾、叔丁醇钠中的任意一种。
所述溶剂是指1,4-二氧六环、苯甲醚、四氢呋喃(THF)、氯苯、N,N-二甲基甲酰胺、乙腈、1,2-二氯乙烷、乙二醇二甲醚、甲基叔丁基醚、二乙二醇二甲醚、环戊基甲基醚中的任意一种。
所述烷基芳环的结构式为
Figure 100002_DEST_PATH_IMAGE005
,所述烷基杂芳环的结构式为
Figure 659475DEST_PATH_IMAGE006
Figure 100002_DEST_PATH_IMAGE007
,其中R1选自氢、C4~C30的芳香基团或C1~C20的脂肪基团;R2选自氢、C4~C30的芳香基团、C1~C20的脂肪基团或氟、氯、溴、碘原子;R3选自氢、甲基或氯原子;Y选自碳或氮原子。
所述N-卤代环二酰胺的结构式为
Figure 992367DEST_PATH_IMAGE008
Figure DEST_PATH_IMAGE009
其中X选自氯、溴原子;R2选自氢、C4~C30的芳香基团、C1~C20的脂肪基团或氟、氯、溴、碘原子;R4选自氢或C1~C20的脂肪基团。
本发明与现有技术相比具有以下优点:
1、本发明由N-(芳基/杂芳基)烷烃和卤代二酰胺化合物进行反应,通过直接氧化偶联的方法,仅一步即可高效制得N-(芳基/杂芳基)烷基-二酰胺,简化了合成工艺,拓展了N-(芳基/杂芳基)烷基-二酰胺合成反应的范围。
2、本发明反应原料、催化剂和氧化剂廉价易得,最大限度降低了合成成本。
3、本发明反应条件温和、操作简单、产率高、底物适用性范围宽,因此易于工业化。
4、本发明反应原料、催化剂和氧化剂清洁无毒,反应过程清洁,对环境污染小,更符合绿色化学的要求。
5、利用本发明的合成方法,仅两步即可从喹哪啶合成2-喹啉甲胺、从甲苯合成1-苄基吡咯烷,大大缩短了上述化合物已报道的合成路线。
具体实施方式
实施例1 1-(喹啉-2-甲基)吡咯烷-2,5-二酮1的制备,其合成路线如下:
Figure 993690DEST_PATH_IMAGE010
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol), PPh3(0.05 mmol), AIBN (0.05 mmol),碳酸钾(1.0 mmol),喹哪啶A1 (0.5 mmol)和1,4-二氧六环(2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(喹啉-2-甲基)吡咯烷-2,5-二酮1,收率为84%。
1-(喹啉-2-甲基)吡咯烷-2,5-二酮1: 1H NMR (400 MHz, CDCl3) δ 8.07 (d, J= 8.5 Hz, 1H), 7.99 (d, J = 8.5 Hz, 1H), 7.74 (d, J = 8.1 Hz, 1H), 7.65 (t, J= 8.4 Hz, 1H), 7.48 (t, J = 8.9 Hz, 1H), 7.30 (d, J = 8.7 Hz, 1H), 4.99 (s,2H), 2.81 (s, 4H), 13C NMR (100 MHz, CDCl3) δ177.22, 154.47, 147.62, 136.89,129.60, 129.34, 127.51, 127.33, 126.45, 119.33, 44.06, 28.37.
实施例2 1-(6-甲基喹啉-2-甲基)-吡咯烷2,5-二酮2的制备,其合成路线如下:
Figure DEST_PATH_IMAGE011
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2,6-二甲基喹啉A2 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(喹啉-2-甲基)吡咯烷-2,5-二酮2,收率为70%。
1-(6-甲基喹啉-2-甲基)吡咯烷-2,5-二酮2: 1H NMR (400 MHz, CDCl3) δ 7.91(d, J = 8.4 Hz, 1H), 7.80 (d, J = 8.5 Hz, 1H), 7.43-7.40 (m, 2H), 7.20-7.18(m, 1H), 4.90 (s, 2H), 2.75 (s, 4H), 2.42 (s, 3H), 13C NMR (100 MHz, CDCl3) δ177.21, 153.50, 146.25, 136.69, 136.24, 131.86, 129.02, 127.38, 126.34,119.33, 44.09, 28.38, 21.55.
实施例3 1-(6-氟喹啉-2-甲基)吡咯烷-2,5-二酮3的制备,其合成路线如下:
Figure 753836DEST_PATH_IMAGE012
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-6-氟喹啉A3 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(6-氟喹啉-2-甲基)吡咯烷-2,5-二酮3,收率为53%。
1-(6-氟喹啉-2-甲基)吡咯烷-2,5-二酮3: 1H NMR (400 MHz, CDCl3) δ 8.05(d, J = 8.4 Hz, 1H), 7.98 (dd, J = 9.24 Hz, 5.4 Hz, 1H), 7.46-7.34 (m, 3H),4.99 (s, 2H), 2.86 (s, 4H), 13C NMR (100 MHz, CDCl3) δ177.15, 161.60, 159.13,153.76 (d, J = 8.4 Hz), 144.75, 136.27 (d, J = 5.4 Hz), 131.90 (d, J = 9.1Hz),127.94 (d, J = 10.1 Hz), 119.98 (d, J = 30.5 Hz), 110.52 (d, J = 21.6Hz), 43.93, 28.39, 19F NMR (100 MHz, CDCl3) δ-113.52.
实施例4 1-(7-氟喹啉-2-甲基)吡咯烷-2,5-二酮4的制备,其合成路线如下:
Figure DEST_PATH_IMAGE013
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-7-氟喹啉A4 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(7-氟喹啉-2-甲基)吡咯烷-2,5-二酮4,收率为57%。
1-(7-氟喹啉-2-甲基)吡咯烷-2,5-二酮4: 1H NMR (400 MHz, CDCl3) δ 8.07(d, J = 8.5 Hz, 1H), 7.75 (dd, J = 8.9 Hz, 6.1 Hz, 1H), 7.61 (dd, J = 10.3Hz, 2.6 Hz, 1H), 7.30-7.25 (m, 2H), 4.99 (s, 2H), 2.86 (s, 4H), 13C NMR (100MHz, CDCl3) δ177.13, 163.08 (d, J = 248 Hz), 155.53, 148.62 (d, J = 12.7 Hz),136.73, 129.40 (d, J = 10.0 Hz), 124.34, 118.66 (d, J = 2.6 Hz), 116.90 (d, J= 25.3 Hz), 113.08 (d, J = 20.3 Hz), 43.89, 28.38.
实施例5 1-(6-氯喹啉-2-甲基)吡咯烷-2,5-二酮5的制备,其合成路线如下:
Figure 207820DEST_PATH_IMAGE014
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-6-氯喹啉A5(0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(6-氯喹啉-2-甲基)吡咯烷-2,5-二酮5,收率为27%。
1-(6-氯喹啉-2-甲基)吡咯烷-2,5-二酮5: 1H NMR (400 MHz, CDCl3) δ 8.02(d, J = 8.5 Hz, 1H), 7.92 (d, J = 2.3 Hz, 1H), 7.76 (d, J = 2.3 Hz, 1H),7.62-7.60 (m, 1H), 7.35 (d, J = 8.5 Hz, 1H), 4.99 (s, 2H), 2.87 (s, 4H), 13CNMR (100 MHz, CDCl3) δ177.07, 154.71, 146.07, 135.95, 132.15, 131.09, 130.48,127.94, 126.16, 120.26, 43.94, 28.39.
实施例6 1-(7-氯喹啉-2-甲基)吡咯烷-2,5-二酮6的制备,其合成路线如下:
Figure DEST_PATH_IMAGE015
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-7-氯喹啉A6 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(7-氯喹啉-2-甲基)吡咯烷-2,5-二酮6,收率为65%。
1-(7-氯喹啉-2-甲基)吡咯烷-2,5-二酮6:1H NMR (400 MHz, CDCl3) δ 8.06 (d,J = 8.5 Hz, 1H), 7.98 (s, 1H), 7.70-7.68 (m, 1H), 7.45-7.43 (m, 1H), 7.33-7.31 (m, 1H), 4.99 (s, 2H), 2.87 (s, 4H), 13C NMR (100 MHz, CDCl3) δ177.15,155.43, 147.98, 136.69, 135.44, 128.71, 128.46, 127.51, 125.72, 119.58,43.84, 28.40.
实施例7 1-(6,7-二氯喹啉-2-甲基)吡咯烷-2,5-二酮7的制备,其合成路线如下:
Figure 344403DEST_PATH_IMAGE016
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),4,5-双-(二环己基膦)-9,9-二甲基氧杂蒽(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0mmol),2-甲基-6,7-二氯喹啉A7 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(6,7-二氯喹啉-2-甲基)吡咯烷-2,5-二酮7,收率为47%。
1-(6,7-二氯喹啉-2-甲基)吡咯烷-2,5-二酮7: 1H NMR (400 MHz, CDCl3) δ8.03 (s, 1H), 7.93 (d, J = 8.5 Hz, 1H), 7.80 (s, 1H), 7.27 (d, J = 8.6 Hz,1H), 4.91 (s, 2H), 2.81 (s, 4H), 13C NMR (100 MHz, CDCl3) δ177.04, 155.73,146.22, 135.67, 134.03, 130.94, 130.58, 127.98, 126.38, 120.40, 43.75, 28.39.
实施例8 1-(6-溴喹啉-2-甲基)吡咯烷-2,5-二酮8的制备,其合成路线如下:
Figure DEST_PATH_IMAGE017
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-6-溴喹啉A8 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(6-溴喹啉-2-甲基)吡咯烷-2,5-二酮8,收率为52%。
1-(6-溴喹啉-2-甲基)吡咯烷-2,5-二酮8: 1H NMR (400 MHz, CDCl3) δ 8.01(d, J = 8.4 Hz, 1H), 7.93 (d, J = 2.2 Hz, 1H), 7.85 (d, J = 8.9 Hz, 1H), 7.73(dd, J = 8.9 Hz, 2.2 Hz, 1H), 7.35 (d, J = 8.5 Hz, 1H), 4.99 (s, 2H), 2.87(s, 4H), 13C NMR (100 MHz, CDCl3) δ177.07, 154.86, 146.26, 135.86, 133.01,131.19, 129.52, 128.45, 120.23, 43.96, 28.39.
实施例9 1-(5-溴-6-甲氧基喹啉-2-甲基)吡咯烷-2,5-二酮9的制备,其合成路线如下:
Figure 200232DEST_PATH_IMAGE018
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.05 mmol),1,2-双(二苯基膦)乙烷(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-5-溴-6-甲氧基喹啉A9(0.5 mmol)和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(5-溴-6-甲氧基喹啉-2-甲基)吡咯烷-2,5-二酮9,收率为57%。
1-(5-溴-6-甲氧基喹啉-2-甲基)吡咯烷-2,5-二酮9:1H NMR (400 MHz, CDCl3) δ8.45 (d, J = 8.8 Hz, 1H), 7.97 (d, J = 9.3 Hz, 1H), 7.45 (d, J = 9.3 Hz, 1H),7.39 (d, J = 8.8 Hz, 1H), 4.99 (s, 2H), 4.03 (s, 3H), 2.85 (s, 4H), 13C NMR(100 MHz, CDCl3) δ177.12, 153.91, 152.92, 143.66, 135.46, 130.20, 127.81,120.87, 116.46, 107.21, 57.05, 43.75, 28.38.
实施例10 1-(5-溴-8-甲氧基喹啉-2-甲基)吡咯烷-2,5-二酮10的制备,其合成路线如下:
Figure DEST_PATH_IMAGE019
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基-5-溴-8-甲氧基喹啉A10(0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~1:1,得到1-(5-溴-8-甲氧基喹啉-2-甲基)吡咯烷-2,5-二酮10,收率为27%。
1-(5-溴-8-甲氧基喹啉-2-甲基)吡咯烷-2,5-二酮10: 1H NMR (400 MHz, CDCl3)δ 8.42 (d, J = 8.7 Hz, 1H), 7.66 (d, J = 8.4 Hz, 1H), 7.37 (d, J = 8.7 Hz,1H), 6.89 (d, J = 8.4 Hz, 1H), 5.09 (s, 2H), 4.02 (s, 3H), 2.85 (s, 4H), 13CNMR (100 MHz, CDCl3) δ177.13, 155.08, 154.33, 140.30, 136.61, 129.97, 127.35,120.37, 111.73, 108.99, 56.34, 44.34, 28.42.
实施例11 1-(6-甲基吡啶-2-甲基)吡咯烷-2,5-二酮11的制备,其合成路线如下:
Figure 131279DEST_PATH_IMAGE020
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),TBP (0.10 mmol),碳酸钾(1.0 mmol),2,6-二甲基吡啶A11 (0.5 mmol) 和甲基叔丁基醚 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(6-甲基吡啶-2-甲基)吡咯烷-2,5-二酮11,收率为42%。
1-(6-甲基吡啶-2-甲基)吡咯烷-2,5-二酮11:1H NMR (400 MHz, CDCl3) δ 7.50(t, J = 7.6 Hz, 1H), 6.99 (dd, J = 20.7 Hz, 7.6 Hz, 2H), 4.81 (s, 2H), 2.81(s, 4H), 2.49 (s, 3H) 13C NMR (100 MHz, CDCl3) δ177.06, 158.36, 153.73,136.81, 122.04, 118.16, 43.68, 28.32, 24.53.
实施例12 1-苄基-吡咯烷- 2,5-二酮12的制备,其合成路线如下:
Figure DEST_PATH_IMAGE021
在氮气保护下,将N-溴代丁二酰亚胺B1 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),甲苯A12 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-苄基-吡咯烷- 2,5-二酮12,收率为50%。
1-苄基-吡咯烷- 2,5-二酮12:1H NMR (400 MHz, CDCl3) δ7.39-7.36 (m , 2H),7.32-7.24 (m , 3H), 4.64 (s, 2H), 2.68 (s, 4H), 13C NMR (100 MHz, CDCl3) δ176.93, 135.81, 128.90, 128.63, 127.96, 42.38, 28.21.
实施例13 1-(4-氟苄基)-吡咯烷-2,5-二酮13的制备,其合成路线如下:
Figure 78419DEST_PATH_IMAGE022
在氮气保护下,将N-溴代丁二酰亚胺B1 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-氟甲苯A13(15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-(4-氟苄基)-吡咯烷- 2,5-二酮13,收率为60%。
1-(4-氟苄基)-吡咯烷- 2,5-二酮13: 1H NMR (400 MHz, CDCl3) δ7.31-7.27 (m, 2H), 6.89 (t , J = 8.7 Hz , 2H), 4.52 (s, 2H), 2.61 (s, 4H), 13C NMR (100MHz, CDCl3) δ176.85, 162.37(d , J = 245.0 Hz), 131.69 (d , J = 3.3 Hz),130.85 (d , J = 8.2 Hz), 115.45 (d , J = 21.2 Hz), 41.59, 28.18. 19F NMR (100MHz, CDCl3) δ114.06.
实施例14 1-(2-甲基苄基)-吡咯烷- 2,5-二酮14的制备,其合成路线如下:
Figure DEST_PATH_IMAGE023
在氮气保护下,将N-溴代丁二酰亚胺B1(0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),邻二甲苯A14 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-(2-甲基苄基)-吡咯烷- 2,5-二酮14,收率为43%。
1-(2-甲基苄基)-吡咯烷- 2,5-二酮14: 1H NMR (400 MHz, CDCl3) δ7.12-7.03(m , 4H), 4.59 (s, 2H), 2.62 (s, 4H), 2.35 (s, 3H), 13C NMR (100 MHz, CDCl3) δ177.08, 136.26, 133.61, 130.48, 128.27, 127.80, 126.09, 39.78, 28.24, 19.49.
实施例15 1-(3-氯苄基)-吡咯烷- 2,5-二酮15的制备,其合成路线如下:
Figure 753114DEST_PATH_IMAGE024
在氮气保护下,将N-溴代丁二酰亚胺B1(0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),3-氯甲苯A15(15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-(3-氯苄基)-吡咯烷- 2,5-二酮15,收率为45%。
1-(3-氯苄基)-吡咯烷- 2,5-二酮15:1H NMR (400 MHz, CDCl3) δ7.29 (s ,1H), 7.21-7.15 (m , 3H), 4.53 (s, 2H), 2.65 (s, 4H), 13C NMR (100 MHz, CDCl3)δ176.75, 137.57, 134.42, 129.94, 128.88, 128.22, 127.10, 41.79, 28.21.
实施例16 1-(4-氯苄基)-吡咯烷- 2,5-二酮16的制备,其合成路线如下:
Figure DEST_PATH_IMAGE025
在氮气保护下,将N-溴代丁二酰亚胺B1 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-氯甲苯A16 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-(4-氯苄基)-吡咯烷- 2,5-二酮16,收率为56%。
1-(4-氯苄基)-吡咯烷- 2,5-二酮16: 1H NMR (400 MHz, CDCl3) δ7.34-7.31 (m, 2H), 7.28-7.25 (m , 2H), 4.60 (s, 2H), 2.70 (s, 4H), 13C NMR (100 MHz,CDCl3) δ176.79, 134.24, 133.88, 130.42, 128.78, 41.66, 28.20.
实施例17 1-(4-溴苄基)-吡咯烷- 2,5-二酮17的制备,其合成路线如下:
Figure 463449DEST_PATH_IMAGE026
在氮气保护下,将N-溴代丁二酰亚胺B1(0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(0.5 mmol),4-溴甲苯A17 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-(4-溴苄基)-吡咯烷- 2,5-二酮17,收率为42%。
1-(4-溴苄基)-吡咯烷- 2,5-二酮17: 1H NMR (400 MHz, CDCl3) δ7.35-7.33 (m, 2H), 7.20-7.18 (m , 2H), 4.51 (s, 2H), 2.62 (s, 4H), 13C NMR (100 MHz,CDCl3) δ176.78, 134.73, 131.75, 130.75, 122.07, 41.73, 28.21.
实施例18 1-(4-氰基苄基)-吡咯烷- 2,5-二酮18的制备,其合成路线如下:
Figure DEST_PATH_IMAGE027
在氮气保护下,将N-溴代丁二酰亚胺B1 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-氰基甲苯A18 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-(4-氰基苄基)-吡咯烷- 2,5-二酮18,收率为51%。
1-(4-氰基苄基)-吡咯烷- 2,5-二酮18: 1H NMR (400 MHz, CDCl3) δ7.53-7.50(m , 2H), 7.42-7.40 (m , 2H), 4.61 (s, 2H), 2.68 (s, 4H), 13C NMR (100 MHz,CDCl3) δ176.68, 140.70, 132.50, 129.56, 118.49, 111.94, 41.93, 28.22.
实施例19 2-(喹林-2-甲基)异吲哚-1,3-二酮19的制备,其合成路线如下:
Figure 830977DEST_PATH_IMAGE028
在氮气保护下,将N-溴代邻苯二甲酰亚胺B2 (1.0 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基喹啉A1(0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到2-(喹林-2-甲基)异吲哚-1,3-二酮19,收率为58%。
2-(喹林-2-甲基)异吲哚-1,3-二酮19: 1H NMR (400 MHz, CDCl3) δ 8.06 (d, J= 8.4 Hz, 1H), 7.95 (d, J = 8.5 Hz, 1H), 7.89-7.84 (m, 2H), 7.74-7.67 (m,3H), 7.64-7.60 (m, 1H), 7.47-7.43 (m, 1H), 7.34 (d, J = 8.4 Hz, 1H), 5.19 (s,2H), 13C NMR (100 MHz, CDCl3) δ168.24, 155.40, 147.69, 136.97, 134.09, 132.21,129.60, 129.36, 127.48, 127.32, 126.42, 123.50, 119.08, 43.64.
实施例20 2-(6-氯吡啶-3-甲基)异吲哚-1,3-二酮20的制备,其合成路线如下:
Figure DEST_PATH_IMAGE029
在氮气保护下,将N-溴代邻苯二甲酰亚胺B2 (1.0 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),3-氯-6-甲基哒嗪A19 (0.5mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到2-(6-氯吡啶-3-甲基)异吲哚-1,3-二酮20,收率为50%。
2-(6-氯吡啶-3-甲基)异吲哚-1,3-二酮20: 1H NMR (400 MHz, CDCl3) δ7.95-7.86 (m, 2H), 7.81-7.73 (m, 2H), 7.48 (s, 2H), 5.20 (s, 2H), 13C NMR (100 MHz,CDCl3) δ168.21, 159.02, 153.93, 132.21, 130.36, 128.45, 123.74, 122.98,49.64.
实施例21 5,5-二甲基-3-(喹林-2-甲基)咪唑烷-2,4-二酮21的制备,其合成路线如下:
Figure 259553DEST_PATH_IMAGE030
在氮气保护下,将二溴海因B3 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05mmol),AIBN (0.05 mmol),碳酸钾(0.75 mmol),2-甲基喹啉A1 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到5,5-二甲基-3-(喹林-2-甲基)咪唑烷-2,4-二酮21,收率为63%。
5,5-二甲基-3-(喹林-2-甲基)咪唑烷-2,4-二酮21: 1H NMR (400 MHz, CDCl3) δ8.09 (d, J = 8.4 Hz, 1H), 7.96 (d, J = 8.5 Hz, 1H), 7.77-7.75 (m, 1H), 7.68-7.63 (m, 1H), 7.51-7.47 (m, 1H), 7.29 (d, J = 8.5 Hz, 1H), 6.97 (br ,1H),4.99 (s, 2H), 1.47 (s, 6H), 13C NMR (100 MHz, CDCl3) δ177.80, 156.88, 154.82,147.66, 136.91, 129.57, 129.27, 127.53, 127.38, 126.41, 118.88, 59.23, 43.44,25.03.
实施例22 5,5-二甲基-3-(6-氯喹啉-2-甲基)咪唑烷-2,4-二酮22的制备,其合成路线如下:
Figure DEST_PATH_IMAGE031
在氮气保护下,将二溴海因B3 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),6-氯喹哪啶A5 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到5,5-二甲基-3-(6-氯喹啉-2-甲基)咪唑烷-2,4-二酮22,收率为70%。
5,5-二甲基-3-(6-氯喹啉-2-甲基)咪唑烷-2,4-二酮22: 1H NMR (400 MHz,CDCl3) δ 8.05 (m, 2H), 7.84 (d, J = 8.5 Hz, 1H), 7.56 (s, 1H), 7.27 (m, 1H),6.97 (br ,1H), 4.99 (s, 2H), 1.47 (s, 6H), 13C NMR (100 MHz, CDCl3) δ177.85,156.92, 154.88, 147.74, 136.95, 129.62, 129.35, 127.60, 127.44, 126.47,118.94, 59.30, 43.49, 25.11.
实施例23 5,5-二甲基-3-(2,6-二甲基吡啶)咪唑烷-2,4-二酮23的制备,其合成路线如下:
Figure 472360DEST_PATH_IMAGE032
在氮气保护下,将二溴海因B3(1.25 mmol),CuI (0.025 mmol),PPh3(0.05mmol),TBP (0.10 mmol),碳酸钾(1.0 mmol),2,6-二甲基吡啶A11(0.5 mmol) 和甲基叔丁基醚 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到5,5-二甲基-3-(2,6-二甲基吡啶)咪唑烷-2,4-二酮23,收率为43%。
5,5-二甲基-3-(2,6-二甲基吡啶)咪唑烷-2,4-二酮23:1H NMR (400 MHz, CDCl3)δ7.43 (t, J = 7.9 Hz, 1H), 6.94 (d, J = 7.6 Hz, 1H), 6.87 (d, J = 8.0 Hz,1H), 6.60 (br ,1H), 4.71 (s, 2H), 2.41 (s, 3H), 1.41 (s, 6H), 13C NMR (100MHz, CDCl3) δ177.57, 158.20, 156.77, 154.14, 136.88, 121.92, 117.56, 59.06,42.97, 25.01, 24.42.
实施例24 3-苄基-5,5-二甲基咪唑烷-2,4-二酮24的制备,其合成路线如下:
Figure DEST_PATH_IMAGE033
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),甲苯A12 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-苄基-5,5 -二甲基咪唑烷-2,4-二酮24,收率为91%。
3-苄基-5,5-二甲基咪唑烷-2,4-二酮24: 1H NMR (400 MHz, CDCl3) δ7.26-7.17(m, 5H), 6.99 (br, 1H), 4.56 (s, 2H), 1.29 (s, 6H), 13C NMR (100 MHz, CDCl3) δ177.42, 158.63, 136.21, 128.67, 128.01, 127.79, 58.88, 42.00, 24.84.
实施例25 3-(4-氟苄基)-5,5 -二甲基咪唑烷-2,4-二酮25的制备,其合成路线如下:
Figure 302781DEST_PATH_IMAGE034
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-氟甲苯A13 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(4-氟苄基)-5,5 -二甲基咪唑烷-2,4-二酮25,收率为81%。
3-(4-氟苄基)-5,5 -二甲基咪唑烷-2,4-二酮25:1H NMR (400 MHz, CDCl3) δ7.36-7.33 (m, 2H), 7.01-6.97 (m, 2H) 6.84 (br, 1H), 4.61 (s, 2H), 1.41 (s,6H), 13C NMR (100 MHz, CDCl3) δ177.15 (d, J = 2.3 Hz), 163.36 (d, J = 44.7Hz), 156.44 (d, J = 2.2 Hz), 132.02 (d, J = 3.3 Hz), 130.10 (d, J = 8.0 Hz),115.54 (d, J = 21.4 Hz), 58.89, 41.35, 24.87.
实施例26 3-(2-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮26的制备,其合成路线如下:
Figure DEST_PATH_IMAGE035
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),邻二甲苯A14 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(2-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮26,收率为70%。
3-(2-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮26: 1H NMR (400 MHz, CDCl3) δ7.16-7.13 (m , 4H), 6.89 (br, 1H), 4.66 (s, 2H), 2.41 (s, 3H), 1.41 (s, 6H),13C NMR (100 MHz, CDCl3) δ177.42, 156.74, 135.88, 133.92, 130.46, 127.64,127.26, 126.16, 58.90, 39.55, 25.00, 19.30.
实施例27 3-(3-氯苄基)-5,5 -二甲基咪唑烷-2,4-二酮27的制备,其合成路线如下:
Figure 575631DEST_PATH_IMAGE036
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),3-氯甲苯A15 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(3-氯苄基)-5,5 -二甲基咪唑烷-2,4-二酮27,收率为83%。
3-(3-氯苄基)-5,5 -二甲基咪唑烷-2,4-二酮27: 1H NMR (400 MHz, CDCl3) δ7.34-7.33 (m, 1H), 7.26-7.22 (m, 3H), 7.06 (br, 1H), 4.61 (s, 2H), 1.41 (s,6H), 13C NMR (100 MHz, CDCl3) δ177.21, 156.40, 138.04, 134.44, 130.00, 128.22,128.08, 126.27, 58.99, 41.44, 24.87.
实施例28 3-(4-氯苄基)-5,5 -二甲基咪唑烷-2,4-二酮28的制备,其合成路线如下:
Figure DEST_PATH_IMAGE037
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-氯甲苯A16 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(4-氯苄基)-5,5 -二甲基咪唑烷-2,4-二酮28,收率为81%。
3-(4-氯苄基)-5,5 -二甲基咪唑烷-2,4-二酮28: 1H NMR (400 MHz, CDCl3) δ7.31-7.26 (m, 4H), 6.96 (br, 1H), 4.60 (s, 2H), 1.40 (s, 6H), 13C NMR (100MHz, CDCl3) δ177.18, 156.40, 134.64, 133.75, 129.67, 128.84, 58.93, 41.38,24.88.
实施例29 3-(4-溴苄基)-5,5 -二甲基咪唑烷-2,4-二酮29的制备,其合成路线如下:
Figure 491503DEST_PATH_IMAGE038
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-溴甲苯A17 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(4-溴苄基)-5,5 -二甲基咪唑烷-2,4-二酮29,收率为54%。
3-(4-溴苄基)-5,5 -二甲基咪唑烷-2,4-二酮29: 1H NMR (400 MHz, CDCl3) δ7.36-7.34 (m, 2H), 7.17-7.14 (m, 2H), 6.86 (br, 1H), 4.51 (s, 2H), 1.32 (s,6H), 13C NMR (100 MHz, CDCl3) δ177.16, 156.40, 135.15, 131.81, 130.00, 121.90,58.93, 41.44, 24.89.
实施例30 3-(4-氰基苄基)-5,5 -二甲基咪唑烷-2,4-二酮30的制备,其合成路线如下:
Figure DEST_PATH_IMAGE039
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),对苯甲氰A18 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(4-氰基苄基)-5,5 -二甲基咪唑烷-2,4-二酮30,收率为72%。
3-(4-氰基苄基)-5,5 -二甲基咪唑烷-2,4-二酮30:1H NMR (400 MHz, CDCl3) δ7.56 (d , J = 7.9 Hz, 2H), 7.39 (d, J = 8.0 Hz, 2H), 6.03 (br, 1H), 4.62 (s,2H), 1.37 (s, 6H), 13C NMR (100 MHz, CDCl3) δ176.83, 155.71, 141.20, 132.58,128.92, 118.53, 111.89, 59.09, 41.65, 25.03.
实施例31 3-(3-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮31的制备,其合成路线如下:
Figure 508001DEST_PATH_IMAGE040
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),间二甲苯A20 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(3-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮31,收率为87%。
3-(3-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮31: 1H NMR (400 MHz, CDCl3) δ7.19 (t , J = 7.4 Hz, 1H), 7.14 (d, J = 1.5 Hz, 2H), 7.07 (d, J = 7.4 Hz,1H), 6.92 (br, 1H), 4.61 (s, 2H), 2.32 (s, 3H), 1.40 (s, 6H), 13C NMR (100MHz, CDCl3) δ177.33, 156.65, 138.30, 136.10, 128.76, 128.58, 128.55, 125.06,58.87, 41.99, 24.90, 21.39.
实施例32 3-(4-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮32的制备,其合成路线如下:
Figure DEST_PATH_IMAGE041
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),对二甲苯A21 (15 mmol)加入反应管中。80℃下搅拌48小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(4-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮32,收率为83%。
3-(4-甲基苄基)-5,5 -二甲基咪唑烷-2,4-二酮32: 1H NMR (400 MHz, CDCl3) δ7.24 (d ,J = 7.8 Hz, 2H), 7.11 (d, J = 7.9 Hz, 2H), 6.71 (br, 1H), 4.60 (s,2H), 2.31 (s, 3H), 1.39 (s, 6H), 13C NMR (100 MHz, CDCl3) δ177.23, 156.57,137.48, 133.23, 129.32, 128.13, 58.83, 41.81, 24.92, 21.13.
实施例33 3-(4-叔丁基苄基)-5,5 -二甲基咪唑烷-2,4-二酮33的制备,其合成路线如下:
Figure 5978DEST_PATH_IMAGE042
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),对叔丁基甲苯A22 (15 mmol)加入反应管中。140℃下搅拌6小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到3-(4-叔丁基苄基)-5,5 -二甲基咪唑烷-2,4-二酮33,收率为86%。
3-(4-叔丁基苄基)-5,5 -二甲基咪唑烷-2,4-二酮33: 1H NMR (400 MHz, CDCl3)δ7.24-7.22 (m, 2H), 7.19-7.16 (m, 2H), 7.10 (br, 1H), 4.53 (s, 2H), 1.28 (s,6H), 1.19 (s, 6H), 13C NMR (100 MHz, CDCl3) δ177.53, 156.75, 150.62, 133.23,127.71, 125.59, 58.87, 41.63, 34.51, 31.33, 24.84.
实施例34 4-甲基-((4,4-二甲基)-2,5-二氧咪唑烷-1-甲基)苯甲酸34的制备,其合成路线如下:
Figure DEST_PATH_IMAGE043
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),4-甲基苯甲酸甲酯A23 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到4-甲基-((4,4-二甲基)-2,5-二氧咪唑烷-1-甲基)苯甲酸34,收率为69%。
4-甲基-((4,4-二甲基)-2,5-二氧咪唑烷-1-甲基)苯甲酸34: 1H NMR (400 MHz,CDCl3) δ7.91 (d , J = 8.0 Hz, 2H), 7.32 (d , J = 8.0 Hz, 2H), 6.77 (br, 1H),4.61 (s, 2H), 3.82 (s, 3H), 1.34 (s, 6H), 13C NMR (100 MHz, CDCl3) δ177.17,166.76, 156.27, 141.13, 130.01, 129.61, 127.96, 58.97, 52.18, 41.67, 24.90.
实施例35 5,5-二甲基-3-(1-苯基乙基)咪唑烷-2,4-二酮35的制备,其合成路线如下:
Figure 964576DEST_PATH_IMAGE044
在氮气保护下,将二溴海因B3 (0.5 mmol),CuI (0.025 mmol),DPPE(0.025mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),TBP (1.0 mmol),乙苯A24 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到5,5-二甲基-3 -(1-苯基乙基)咪唑烷-2,4-二酮35,收率为31%。
5,5-二甲基-3 -(1-苯基乙基)咪唑烷-2,4-二酮35: 1H NMR (400 MHz, CDCl3) δ7.45-7.42 (m , 2H), 7.35-7.24 (m , 3H), 6.21 (br ,1H), 5.31 (q , J = 7.3 Hz,1H), 1.83 (q , J = 7.3 Hz, 3H),1.38 (d , J = 11.8 Hz, 6H), 13C NMR (100 MHz,CDCl3) δ177.20, 156.37, 140.20, 127.62, 127.07, 58.06, 50.01, 24.99 (d, J =6.4 Hz), 17.23
实施例36 1-苄基-吡咯烷- 2,5-二酮12的制备,其合成路线如下:
Figure DEST_PATH_IMAGE045
在氮气保护下,将N-氯代丁二酰亚胺B4 (0.5 mmol),CuI (0.005 mmol),DPPE(0.005 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),甲苯A12 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到1-苄基-吡咯烷- 2,5-二酮12,收率为35%。
1-苄基-吡咯烷- 2,5-二酮12: 1H NMR (400 MHz, CDCl3) δ7.39-7.36 (m ,2H), 7.32-7.24 (m , 3H), 4.64 (s, 2H), 2.68 (s, 4H), 13C NMR (100 MHz, CDCl3)δ176.93, 135.81, 128.90, 128.63, 127.96, 42.38, 28.21.
实施例37 2-苄基-异吲哚- 1,3-二酮36的制备,其合成路线如下:
Figure 852897DEST_PATH_IMAGE046
在氮气保护下,将N-氯代邻苯二甲酰亚胺B5 (0.5 mmol),CuI (0.005 mmol),DPPE(0.005 mmol),LiBr·H2O (0.1 mmol),碳酸钾(1.0 mmol),甲苯A12 (15 mmol)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:5 ~ 1:2,得到2-苄基-异吲哚- 1,3-二酮36,收率为64%。
2-苄基-异吲哚- 1,3-二酮36: 1H NMR (400 MHz, CDCl3) δ7.39-7.36 (m ,2H), 7.32-7.24 (m , 3H), 4.64 (s, 2H), 2.68 (s, 4H), 13C NMR (100 MHz, CDCl3)δ176.93, 135.81, 128.90, 128.63, 127.96, 42.38, 28.21
实施例38 1-(喹啉-2-甲基)吡咯烷-2,5-二酮1的制备,其合成路线如下:
Figure DEST_PATH_IMAGE047
在氮气保护下,将N-氯代丁二酰亚胺B4 (1.25 mmol),CuI (0.005 mmol),PPh3(0.015 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),喹哪啶A1 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(喹啉-2-甲基)吡咯烷-2,5-二酮1,收率为72%。
1-(喹啉-2-甲基)吡咯烷-2,5-二酮1: 1H NMR (400 MHz, CDCl3) δ 8.07 (d, J= 8.5 Hz, 1H), 7.99 (d, J = 8.5 Hz, 1H), 7.74 (d, J = 8.1 Hz, 1H), 7.65 (t, J= 8.4 Hz, 1H), 7.48 (t, J = 8.9 Hz, 1H), 7.30 (d, J = 8.7 Hz, 1H), 4.99 (s,2H), 2.81 (s, 4H), 13C NMR (100 MHz, CDCl3) δ177.22, 154.47, 147.62, 136.89,129.60, 129.34, 127.51, 127.33, 126.45, 119.33, 44.06, 28.37.
实施例39 1-(喹喔啉-2-甲基)吡咯烷-2,5-二酮37的制备,其合成路线如下:
Figure 922353DEST_PATH_IMAGE048
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.075 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基喹喔啉A25 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(喹啉-2-甲基)吡咯烷-2,5-二酮37,收率为63%。
1-(喹啉-2-甲基)吡咯烷-2,5-二酮37: 1H NMR (400 MHz, CDCl3) δ8.80 (s ,1H), 8.03-8.01 (m , 1H), 7.94-7.92 (m , 1H), 7.77-7.73 (m , 1H), 7.58-7.54 (m, 1H), 4.95 (s, 1H), 2.72 (s, 4H), 13C NMR (100 MHz, CDCl3) δ176.12, 151.29,143.65, 142.65, 142.53, 129.60, 129.00, 128.61, 127.61, 44.95, 27.85.
实施例40 1-(3,6-二甲基吡啶)吡咯烷-2,5-二酮38的制备,其合成路线如下:
Figure DEST_PATH_IMAGE049
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.25 mmol),CuI (0.025 mmol),PPh3(0.05 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),3,6-二甲基哒嗪A26 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。140℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(3,6-二甲基吡啶)吡咯烷-2,5-二酮38,收率为45%。
1-(3,6-二甲基吡啶)吡咯烷-2,5-二酮38: 1H NMR (400 MHz, CDCl3) δ 7.69(d, J = 6.7 Hz, 1H), 7.58-7.56 (m, 1H), 4.91 (s, 2H), 2.72 (s, 4H), 2.54 (d,J = 0.6 Hz, 3H), 13C NMR (100 MHz, CDCl3) δ176.04, 155.17, 152.29, 126.62,126.55, 43.70, 27.85, 21.18.
实施例41 1-(喹啉-2-乙基)吡咯烷-2,5-二酮39的制备,其合成路线如下:
Figure 212520DEST_PATH_IMAGE050
在氮气保护下,将N-溴代丁二酰亚胺B1 (1.0 mmol),CuI (0.005 mmol),PPh3(0.015 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-乙基喹啉A27 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(喹啉-2-乙基)吡咯烷-2,5-二酮39,收率为52%。
1-(喹啉-2-乙基)吡咯烷-2,5-二酮39: 1H NMR (400 MHz, CDCl3) δ 8.10 (d, J= 6.7 Hz, 1H), 8.04-8.02 (m, 1H), 7.84-7.82 (m, 1H), 7.70-7.66 (m, 1H), 7.65-7.63 (m, 1H), 7.51-7.49 (m, 1H), 5.30 (q, J = 4.5 Hz, 1H), 2.72-2.61 (m, 4H),1.59 (d, J = 5.0 Hz, 3H), 13C NMR (100 MHz, CDCl3) δ174.61, 159.42, 147.77,135.21, 129.54, 128.91, 128.36, 127.21, 126.27, 120.72, 55.36, 28.63, 18.76.
实施例42 1-(萘-2-甲基)吡咯烷-2,5-二酮40的制备,其合成路线如下:
Figure DEST_PATH_IMAGE051
在氮气保护下,将N-溴代丁二酰亚胺B1 (0.75 mmol),CuI (0.005 mmol),PPh3(0.015 mmol),AIBN (0.05 mmol),碳酸钾(1.0 mmol),2-甲基萘A28 (0.5 mmol) 和1,4-二氧六环 (2 mL)加入反应管中。120℃下搅拌24小时,停止反应后冷却至室温,蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为乙酸乙酯:石油醚=1:10 ~ 1:1,得到1-(萘-2-甲基)吡咯烷-2,5-二酮40,收率为59%。
1-(萘-1-甲基)吡咯烷-2,5-二酮40: 1H NMR (400 MHz, CDCl3) δ8.02-8.00 (m,1H), 7.89 (t, J = 1.8 Hz, 1H), 7.82 (d, J = 6.2 Hz, 1H), 7.75-7.73 (m, 1H),7.57-7.53 (m, 1H), 7.47-7.44 (m, 1H), 7.24 (dd, J = 6.7 Hz, 1.7 Hz, 1H), 5.11(s, 2H), 2.70 (s, 4H), 13C NMR (100 MHz, CDCl3) δ172.27, 136.24, 133.33,132.97, 127.84, 127.78, 127.61, 127.38, 126.93, 126.64, 126.18, 41.67, 27.85.
上述实施例1~42中,过渡金属还可以是乙酰丙酮铜(Cu(acac)2)、醋酸铜(Cu(OAc)2)、溴化亚铜(CuBr)、四氟硼酸四乙腈铜(Cu(CH3CN)4BF4)、六氟磷酸四乙腈铜(Cu(CH3CN)4PF6)、三氟甲磺酸铜(Cu(TFA)2)、三氟甲烷磺酸铜(Cu(OTf)2)、三氟甲烷磺酸镍(Ni(OTf)2)、四氟硼酸镍(NiBF4)、三水溴化镍(NiBr·3H2O)、四水醋酸镍(Ni(OAc)2·4H2O)、氯化铁(FeCl3)、六水四氟硼酸铁(Fe(BF4)2·6H2O)、醋酸铁(Fe(OAc)3)、三氟甲烷磺酸亚铁(Fe(OTf)2)、二水醋酸锰(Mn(OAc)3·2H2O)、高氯酸锰(Mn(ClO4)2)、氯化锰(MnCl2)、草酸锰(MnC2O4)、醋酸钴(Co(OAc)2)、氯化钴(CoCl2)、六水四氟硼酸钴(Co(BF4)2·6H2O)、乙酰丙酮钴(Co(acac)2)中的任意一种。
膦或氮配体还可以是1,10-菲啰啉、4-苯基吡啶、6-溴-2,2’-联吡啶、2,9-二甲基-4,7-二苯基-1,10-菲啰啉(BC)、2-溴-5-氯吡啶、2-2,-联吡啶、4,5-双-(二环己基膦)-9,9-二甲基氧杂蒽、1,1'-双(二苯基膦)二茂铁(DPPF)、2-(二环己基膦)-3,6-二甲氧基-2'-4'-6'-三-I-丙基-1,1'-联苯(Brettphos)、1,3-双(二苯基膦)丙烷(DPPP)、顺-1,2-双(二苯基膦)乙烯(DPPen)、双二苯基膦甲烷(DPPm)、4,5-双二苯基膦-9,9-二甲基氧杂蒽(Xantphos)、三(邻甲基苯基)膦、双(2-二苯基膦基苯基)醚或1,1'-联萘-2,2'-双二苯膦(BINAP)、2-二叔丁基膦-2’-甲基联苯中的任意一种。
助催化剂还可以是溴化锂(LiBr)、碘化锂(LiI)、氯化锂(LiCl)、四甲基氯化铵(Me4N+Cl-)、四甲基溴化铵(Me4N+Br-)、四甲基碘化铵(Me4N+I-)、十六烷基三甲基溴化铵、四丁基溴化铵、四丁基碘化铵、四丁基氯化铵、三甲基苯基碘化铵、四丁基四氟硼酸铵、氯化钾(KCl)、氯化镁(MgCl2)、2,2,6,6,-四甲基哌啶氧化物(TEMPO)中的任意一种。
碱还可以是叔丁醇钾、氢氧化钠、氢氧化钾、碳酸铯、碳酸钠、甲醇钠、乙醇钠、三乙胺、醋酸钠、醋酸钾、磷酸钾、叔丁醇钠中的任意一种。
溶剂还可以是苯甲醚、四氢呋喃(THF)、氯苯、N,N-二甲基甲酰胺、乙腈、1,2-二氯乙烷、乙二醇二甲醚、二乙二醇二甲醚、环戊基甲基醚中的任意一种。
实施例43 1-苄基吡咯烷41的制备,其合成路线如下:
Figure 342019DEST_PATH_IMAGE052
在氮气保护下,将氢化铝锂(1.58 mmol)和THF (4 mL)加入反应管中,室温下搅拌1.5 h, 然后在冰水浴中,将溶解于THF (2 mL)的1-苄基吡咯烷12 (1.58 mmol)滴加到氢化铝锂溶液中,室温下搅拌过夜。停止反应后,在冰水浴条件下,加入1.2 mL 的THF和水(3:1)的混合物,再用6mL THF萃取,沉淀用THF洗涤,浓缩滤液,并加入5%碳酸氢钠溶液,再用3mL乙酸乙酯萃取,有机相用硫酸钠干燥,并蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为二氯甲烷:乙醇=50:1,得到1-苄基吡咯烷41,收率为90%。
1-苄基吡咯烷41:1H NMR (400 MHz, CDCl3) δ 7.31-7.25 (m, 5H), 3.65 (s,2H), 2.55-2.53 (m, 4H), 1.83-1.80 (m, 4H), 13C NMR (100 MHz, CDCl3) δ 139.52,128.93, 128.21, 126.96, 60.80, 54.28, 23.53.
实施例44 1-苄基-4,4-二甲基咪唑烷42的制备,其合成路线如下:
Figure DEST_PATH_IMAGE053
在氮气保护下,将氢化铝锂(1.58 mmol)和THF (4 mL)加入反应管中,室温下搅拌1.5 h, 然后在冰水浴中,将溶解于THF (2 mL)的1-苄基-4,4-二甲基咪唑烷35 (1.58mmol)滴加到氢化铝锂溶液中,室温下搅拌过夜。停止反应后,在冰水浴条件下,加入1.2 mL的THF和水(3:1)的混合物,再用6mL THF萃取,沉淀用THF洗涤,浓缩滤液,并加入5%碳酸氢钠溶液,再用3 mL乙酸乙酯萃取,有机相用硫酸钠干燥,并蒸干溶剂,柱层析分离,所用洗脱剂的体积比(mL/mL)为二氯甲烷:乙醇=50:1,得到1-苄基-4,4-二甲基咪唑烷42,收率为85%。
1-苄基-4,4-二甲基咪唑烷42:1H NMR (400 MHz, CDCl3) δ 7.33-7.29 (m, 4H),7.27-7.23 (m, 1H), 3.63 (s, 2H), 3.60 (d, J = 2.4 Hz, 2H), 2.62 (m, 1H), 2.60(s, 2H), 1.21 (s, 6H), 13C NMR (100 MHz, CDCl3) δ 138.12, 128.60, 128.51,127.09, 67.23, 63.43, 57.74, 55.85, 24.45.
实施例45 2-喹啉甲胺43的制备,其合成路线如下:
Figure 717637DEST_PATH_IMAGE054
将1-(喹啉-2-甲基吡咯烷)-2,5-二酮1(2.2 mmol)加入到10 mL圆底烧瓶中,再加入水合肼(5.5 mL),回流12 h,停止反应。用旋转蒸发仪除掉溶剂,再加入氢氧化钠(8.5mL, 20%)溶液溶解,用二氯甲烷(3*15 mL)萃取,合并有机相,加入硫酸镁干燥,浓缩有机层,得到2-喹啉甲胺43,收率为80%。
2-喹啉甲胺43:1H NMR (400 MHz, CDCl3) δ 8.10 (d, J = 6.8 Hz, 1H), 8.01-7.99 (m, 1H), 7.80-7.78 (m, 1H), 7.65-7.62 (m, 1H), 7.51-7.48 (m, 2H), 4.22-4.18 (m, 1H), 3.95(t, J = 4.6 Hz, 2H), 3.80-3.76 (m, 1H), 13C NMR (100 MHz,CDCl3) δ 159.23, 149.88, 135.27, 130.05, 128.43, 127.98, 127.32, 126.36,121.19, 48.14.
实施例46 2-喹啉甲胺43的制备,其合成路线如下:
Figure DEST_PATH_IMAGE055
将2-(喹林-2-甲基)异吲哚-1,3-二酮19(2.2 mmol)加入到10 mL圆底烧瓶中,再加入水合肼(5.5 mL),回流12 h,停止反应。用旋转蒸发仪除掉溶剂,再加入氢氧化钠(8.5mL, 20%)溶液溶解,用二氯甲烷(3*15 mL)萃取,合并有机相,加入硫酸镁干燥,浓缩有机层,得到2-喹啉甲胺43,收率为85%。
2-喹啉甲胺43:1H NMR (400 MHz, CDCl3) δ 8.10 (d, J = 6.8 Hz, 1H), 8.01-7.99 (m, 1H), 7.80-7.78 (m, 1H), 7.65-7.62 (m, 1H), 7.51-7.48 (m, 2H), 4.22-4.18 (m, 1H), 3.95(t, J = 4.6 Hz, 2H), 3.80-3.76 (m, 1H), 13C NMR (100 MHz,CDCl3) δ 159.23, 149.88, 135.27, 130.05, 128.43, 127.98, 127.32, 126.36,121.19, 48.14.

Claims (2)

1.一种N-(芳基/杂芳基)烷基-二酰胺的制备方法,其特征在于:在氮气保护下,将过渡金属、膦或氮配体、助催化剂、碱、溶剂、N-卤代环二酰胺、烷基-芳环或烷基-杂芳环化合物依次加入到反应容器中,于80~140℃发生氧化胺化反应,6~48小时后反应结束,经蒸干溶剂、柱层析分离即得N-(芳基/杂芳基)烷基-二酰胺类化合物;所述过渡金属、所述膦或氮配体的摩尔比为1 : 1~3;所述烷基-芳环或烷基-杂芳环化合物、所述N-卤代环二酰胺、所述碱、所述过渡金属的摩尔比为20~3000:20~250:20~200:1;所述溶剂以N-卤代环二酰胺为基准,其浓度为0.25~1.25 mol/L;所述过渡金属是指碘化亚铜;所述膦或氮配体是指4,5-双-(二环己基膦)-9,9-二甲基氧杂蒽、1,2-双(二苯基膦)乙烷、三苯基膦中的任意一种;所述助催化剂是指一水溴化锂、偶氮二异丁腈中的任意一种;所述碱是指碳酸钾;所述烷基-芳环的结构式为
Figure DEST_PATH_IMAGE001
,所述烷基-杂芳环的结构式为
Figure 429424DEST_PATH_IMAGE002
Figure DEST_PATH_IMAGE003
,其中R1选自氢、C4~C30的芳香基团或C1~C20的脂肪基团;R2选自氢、C4~C30的芳香基团、C1~C20的脂肪基团或氟、氯、溴、碘原子;R3选自氢、甲基或氯原子;Y选自碳或氮原子;所述N-卤代环二酰胺的结构式为
Figure 346565DEST_PATH_IMAGE004
Figure DEST_PATH_IMAGE005
其中X选自氯、溴原子;R5选自氢、C4~C30的芳香基团、C1~C20的脂肪基团或氟、氯、溴、碘原子;R4选自氢或C1~C20的脂肪基团;
合成路线如下所示:
Figure 188619DEST_PATH_IMAGE006
;或
Figure DEST_PATH_IMAGE007
;或
Figure 646145DEST_PATH_IMAGE008
2.如权利要求1所述的一种N-(芳基/杂芳基)烷基-二酰胺的制备方法,其特征在于:所述溶剂是指1,4-二氧六环、苯甲醚、四氢呋喃、氯苯、N,N-二甲基甲酰胺、乙腈、1,2-二氯乙烷、乙二醇二甲醚、甲基叔丁基醚、二乙二醇二甲醚、环戊基甲基醚中的任意一种。
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