CN109232476A - 一种制备n-苯基-3-***啉丙酰胺的新方法 - Google Patents

一种制备n-苯基-3-***啉丙酰胺的新方法 Download PDF

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CN109232476A
CN109232476A CN201811311940.7A CN201811311940A CN109232476A CN 109232476 A CN109232476 A CN 109232476A CN 201811311940 A CN201811311940 A CN 201811311940A CN 109232476 A CN109232476 A CN 109232476A
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morpholine
phenyl
propionamide
reaction
diazabicyclo
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CN109232476B (zh
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杨科
魏小艳
李正义
孙小强
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Changzhou University
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D295/00Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/04Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
    • C07D295/14Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
    • C07D295/145Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
    • C07D295/15Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

本发明涉及精细化工技术领域,公开一种制备N‑苯基‑3‑***啉丙酰胺的新方法。具体步骤:N‑苯基‑3‑甲硫基丙酰胺、***啉、1‑氯甲基‑4‑氟‑1,4‑二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐和碳酸钠在有机溶剂1,4‑二氧六环中100摄氏度搅拌反应12小时,即可得到N‑苯基‑3‑***啉丙酰胺。同现有的技术相比,本发明操作简单、快速高效,且不需要使用有毒、易腐蚀和易挥发3‑氯丙酰氯为原料,对环境友好。

Description

一种制备N-苯基-3-***啉丙酰胺的新方法
技术领域
本发明属于精细化工领域,涉及一种制备N-苯基-3-***啉丙酰胺的新方法。
背景技术
N-苯基-3-***啉丙酰胺是一类重要的有机化工原料,该类化合物不仅是合成各类活性生物分子或药物的重要中间体,而且还被广泛应用于各类精细化学品的合成中。
目前,合成N-苯基-3-***啉丙酰胺的方法如下所示:
第一种:以N-苯基丙烯酰胺和***啉为起始原料,在碱的作用下反应4天即可得到目标产物N-苯基-3-***啉丙酰胺。此类合成方法的不足之处在于反应时间比较长,需要四天的反应时间。
第二种:以3-氯丙酰氯、苯胺以及***啉为反应原料,在碱的作用下经过两步反应,制备目标产物N-苯基-3-***啉丙酰胺。此类合成方法的不足之处在于:需要使用具有毒性、刺激性的3-氯丙酰氯为反应原料,不符合目前环境友好的技术特征,而且需要通过两步反应合成目标产物,操作相对比较繁琐。此反应目标产物的收率只有13%,产率太低,合成应用价值不高。
因此,开发一种低毒、环境友好、操作简单且快速高效的合成方法是十分必要的。
发明内容
本发明的目的在于克服现有技术的不足,提供一种快速、效率高、简洁新颖、操作简便以及环境友好的N-苯基-3-***啉丙酰胺的新方法。
本发明所涉及的合成N-苯基-3-***啉丙酰胺反应步骤如下:将N-苯基-3-甲硫基丙酰胺、***啉、1-氯甲基-4-氟-1,4-二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐和碳酸钠依次加入含有反应溶剂的圆底烧瓶中,100摄氏度剧烈搅拌12小时,反应结束后,依次进行反应液浓缩和柱层析分离,即可获得N-苯基-3-***啉丙酰胺。
本发明中溶剂为1,4-二氧六环。
本发明中反应体系的浓度为0.1~1.0摩尔/升,优选为0.5摩尔/升。
发明中N-苯基-3-甲硫基丙酰胺、***啉、1-氯甲基-4-氟-1,4-二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐和碳酸钠的摩尔比用量为1:2:1:1。
本发明中所述的反应温度为80~120摄氏度,优选100摄氏度。
本发明中所述的反应时间为8~20小时,优选12小时。
具体实施方式
下面的实施例将有助于说明本发明,但是不局限其范围。
具体实施例1:
在100mL的圆底烧瓶中依次加入N-苯基-3-甲硫基丙酰胺(10mmol,1.95g)、***啉(20mmol,1.74g)、1-氯甲基-4-氟-1,4-二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐(10mmol,1.78g)、碳酸钠(10mmol,1.06g)以及20mL的1,4-二氧六环,反温度控制在100摄氏度,并且剧烈搅拌反应12小时。反应结束后,冷却至室温,依次进行反应液浓缩和柱层析分离,即可获得N-苯基-3-***啉丙酰胺(1.87g,80%)。
反应涉及的方程式如下:
具体实施例2:
在100mL的圆底烧瓶中依次加入N-苯基-3-甲硫基丙酰胺(10mmol,1.95g)、***啉(20mmol,1.74g)、1-氯甲基-4-氟-1,4-二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐(10mmol,1.78g)、碳酸钠(10mmol,1.06g)以及20mL的1,4-二氧六环,反温度控制在80摄氏度,并且剧烈搅拌反应12小时。反应结束后,冷却至室温,依次进行反应液浓缩和柱层析分离,即可获得N-苯基-3-***啉丙酰胺(1.52g,65%)。
反应涉及的方程式如下:
以上描述了本发明的可选实施方案,以教导本领域技术人员如何实施和再现本发明。为了教导本发明方案,已经对一些常规技术方面进行了简化和省去。本领域技术人员应该理解源自这方面的变型,均在本发明的保护范围之内。

Claims (7)

1.一种制备N-苯基-3-***啉丙酰胺的新方法按照以下步骤进行:在有机溶剂中加入N-苯基-3-甲硫基丙酰胺、***啉、1-氯甲基-4-氟-1,4-二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐和碳酸钠,加热剧烈搅拌即可得到N-苯基-3-***啉丙酰胺。
2.根据权利要求1所述的方法,其特征在于,所述方法还包括反应之后进行的减压蒸馏,柱层析分离以及收集目标产物。
3.如权利要求1所述的方法,其特征在于:反应温度在80~120摄氏度,优选100摄氏度。
4.如权利要求1所述的方法,其特征在于:反应时间为8~20小时,优选12小时。
5.如权利要求1所述的方法,其特征在于:N-苯基-3-甲硫基丙酰胺、***啉、1-氯甲基-4-氟-1,4-二氮杂双环[2.2.2]辛烷二(四氟硼酸)盐和碳酸钠的加入量按照摩尔比为1:2:1:1的标准加入。
6.如权利要求1所述的方法,其特征在于:反应所使用的有机溶剂为1,4-二氧六环。
7.如权利要求1所述的方法,其特征在于:反应体系的浓度为0.1~1.0摩尔/升,优选0.5摩尔/升。
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Cited By (3)

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CN110563599A (zh) * 2019-09-02 2019-12-13 常州大学 一种制备3-甲氧基-n-苯基丙酰胺的方法
CN111848464A (zh) * 2020-07-03 2020-10-30 常州大学 一种制备2-(甲基亚磺酰)苯甲酸的方法
CN113135865A (zh) * 2021-04-01 2021-07-20 常州大学 一种制备n-苯基-(3-苯并三氮唑)丙酰胺的方法

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110563599A (zh) * 2019-09-02 2019-12-13 常州大学 一种制备3-甲氧基-n-苯基丙酰胺的方法
CN110563599B (zh) * 2019-09-02 2022-03-22 常州大学 一种制备3-甲氧基-n-苯基丙酰胺的方法
CN111848464A (zh) * 2020-07-03 2020-10-30 常州大学 一种制备2-(甲基亚磺酰)苯甲酸的方法
CN111848464B (zh) * 2020-07-03 2022-03-25 常州大学 一种制备2-(甲基亚磺酰)苯甲酸的方法
CN113135865A (zh) * 2021-04-01 2021-07-20 常州大学 一种制备n-苯基-(3-苯并三氮唑)丙酰胺的方法

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