CN110526856A - Dwp205190的合成方法 - Google Patents

Dwp205190的合成方法 Download PDF

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CN110526856A
CN110526856A CN201910866726.6A CN201910866726A CN110526856A CN 110526856 A CN110526856 A CN 110526856A CN 201910866726 A CN201910866726 A CN 201910866726A CN 110526856 A CN110526856 A CN 110526856A
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dwp205190
synthetic method
solvent
crude product
product
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CN110526856B (zh
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卢博为
钟凯凯
谢志强
卢俊瑞
张俊杰
李有鸿
黄爱昊
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Tianjin Ruiling Chemical Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44Iso-indoles; Hydrogenated iso-indoles
    • C07D209/46Iso-indoles; Hydrogenated iso-indoles with an oxygen atom in position 1
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/55Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

本发明属于化学合成领域,具体涉及一种DWP205190的合成方法;所述的反应采用熔融合成法,不添加任何溶剂和催化剂。本发明是DWP205190的一种新型的制备工艺方法,工艺原料易得,步骤短,操作简便,对环境友好,具有工业化生产的实施价值和社会经济效益,所述合成方法开辟了无溶剂绿色合成DWP205190的新工艺,有效的实现了精细化学品的绿色生产,而且提高了质量和产率。

Description

DWP205190的合成方法
技术领域
本发明属于化学合成领域,具体涉及一种DWP205190的合成方法。
背景技术
DWP205190,化学名:2-(3-(环戊氧基)-4-甲氧基苯基)异吲哚啉-1-酮,其结构是咯利普兰和沙利度胺这两种分子结合而来,最初由韩国大熊制药株式会社研发生产。DWP205190能阻断TNF-α的产生,从而可能抑制磷酸二酯酶PDE4的产生,同时也是一种潜在的高效的抗炎抑制剂,并且比沙利度胺和咯利普兰更安全和有效。目前,文献和专利报道的合成DWP205190的方法有两种,一种是将取代的N-苯基邻苯二甲酰亚胺还原成异吲哚啉酮的三步合成,另一种是用2-烷基苯甲酰胺分子间偶联C(sp3)-H和N-H键的两步合成。这两种方法都需要使用溶剂和催化剂,且工艺路线长、收率低、环境污染严重、工业化成本高。
由于目前的方法存在诸多问题,因此并不适应当前国家对绿色化学的要求,影响了此类产品的健康可持续发展。因此开发DWP205190绿色高效的合成方法具有重要的现实意义。
发明内容
本发明的目的在于提供一种DWP205190的合成方法。
本发明为实现上述目的,采用以下技术方案:
一种DWP205190的合成方法,如式(I)示出;
所述的反应采用熔融合成法,不添加任何溶剂和催化剂。
2-溴甲基-苯甲酸甲酯和3-(环戊基氧基)-4-甲氧基苯胺摩尔比为0.5—2.0:1;缩合温度80℃—180℃,反应时间为0.5-4小时;得到DWP205190粗品;使用溶剂重结晶粗品得到所需产物。
优选的,2-溴甲基-苯甲酸甲酯和3-(环戊基氧基)-4-甲氧基苯胺摩尔比为0.5—2.0:1;缩合温度130-160℃,反应时间为0.5-4小时;得到DWP205190粗品;使用溶剂重结晶粗品得到所需产物。
重结晶溶剂为甲醇、乙醇、甲苯、乙酸乙酯、乙醚、石油醚、二氯甲烷的一种或几种。
与现有技术相比,本发明的有益效果是:
本发明是DWP205190的一种新型的制备工艺方法,工艺原料易得,步骤短,操作简便,对环境友好,具有工业化生产的实施价值和社会经济效益,所述合成方法开辟了无溶剂绿色合成DWP205190的新工艺,有效的实现了精细化学品的绿色生产,而且提高了质量和产率。
附图说明:
图1为DWP205190的1HNMR图;
图2为DWP205190的13CNMR图。
具体实施方式
为了使本技术领域的技术人员更好地理解本发明的技术方案,下面结合最佳实施例对本发明作进一步的详细说明。
实施例1:在50mL圆底烧瓶中加入2.22g 2-溴甲基-苯甲酸甲酯,1.67g 3-(环戊基氧基)-4-甲氧基苯胺,在80℃下搅拌4小时,然后冷却至室温。用无水乙醇重结晶,得到产物。白色固体,2.26g,收率87%。产物经检测:m.p.:135-136℃;1H NMR(400MHz,CDCl3)δ7.96–7.87(m,2H),7.60–7.55(m,1H),7.56–7.49(m,2H),7.03(dd,J=8.7,2.4Hz,1H),6.90(t,J=9.6Hz,1H),4.89(ddd,J=9.2,6.2,3.2Hz,1H),4.83(s,2H),3.86(s,3H),2.09–2.01(m,2H),1.98–1.91(m,2H),1.90–1.80(m,2H),1.60(tt,J=12.3,6.0Hz,2H)。
实施例2:在100mL圆底烧瓶中加入27.7g 2-溴甲基-苯甲酸甲酯,20.7g3-(环戊基氧基)-4-甲氧基苯胺,在130℃下搅拌4小时,然后冷却至室温。用二氯甲烷重结晶,得到产物。白色固体,30.4g,收率94%。产物经检测:m.p.:135-136℃;1H NMR(400MHz,CDCl3)δ7.98–7.88(m,2H),7.63–7.52(m,1H),7.52–7.45(m,2H),7.01(dd,J=8.7,2.4Hz,1H),6.90(t,J=9.6Hz,1H),4.86(ddd,J=9.2,6.2,3.2Hz,1H),4.83(s,2H),3.88(s,3H),2.07–1.99(m,2H),1.98–1.90(m,2H),1.88–1.79(m,2H),1.63(tt,J=12.3,6.0Hz,2H)。
实施例3:在100mL圆底烧瓶中加入55.4g 2-溴甲基-苯甲酸甲酯,41.4g3-(环戊基氧基)-4-甲氧基苯胺,在140℃下搅拌2小时,然后冷却至室温。用二氯甲烷重结晶,得到产物。白色固体,62.7g,收率97%。产物经检测:m.p.:135-136℃;1H NMR(400MHz,CDCl3)δ7.96–7.86(m,2H),7.61–7.55(m,1H),7.54–7.46(m,2H),7.01(dd,J=8.7,2.4Hz,1H),6.90(t,J=9.6Hz,1H),4.87(ddd,J=9.2,6.2,3.2Hz,1H),4.81(s,2H),3.86(s,3H),2.07–1.99(m,2H),1.98–1.90(m,2H),1.88–1.79(m,2H),1.63(tt,J=12.3,6.0Hz,2H)。
实施例4:在100mL圆底烧瓶中加入27.7g 2-溴甲基-苯甲酸甲酯,20.7g 3-(环戊基氧基)-4-甲氧基苯胺,在160℃下搅拌2小时,然后冷却至室温。用乙酸乙酯重结晶,得到产物。白色固体,29.8g,收率92%。产物经检测:m.p.:135-136℃;1H NMR(400MHz,CDCl3)δ7.94–7.86(m,2H),7.64–7.55(m,1H),7.54–7.46(m,2H),7.02(dd,J=8.7,2.5Hz,1H),6.89(t,J=9.7Hz,1H),4.85(ddd,J=9.2,6.2,3.2Hz,1H),4.81(s,2H),3.86(s,3H),2.05–1.99(m,2H),1.98–1.90(m,2H),1.88–1.79(m,2H),1.64(tt,J=12.3,6.0Hz,2H)。
实施例5:在50mL圆底烧瓶中加入2.8g 2-溴甲基-苯甲酸甲酯,2.2g 3-(环戊基氧基)-4-甲氧基苯胺,在180℃下搅拌2小时,然后冷却至室温。用乙酸乙酯重结晶,得到产物。白色固体,2.6g,收率83%。产物经检测:m.p.:135-136℃;1H NMR(400MHz,CDCl3)δ7.95–7.88(m,2H),7.62–7.54(m,1H),7.54–7.48(m,2H),6.99(dd,J=8.7,2.4Hz,1H),6.93(t,J=9.6Hz,1H),4.86(ddd,J=9.2,6.2,3.2Hz,1H),4.81(s,2H),3.86(s,3H),2.06–1.99(m,2H),1.98–1.91(m,2H),1.88–1.80(m,2H),1.64(tt,J=12.3,6.0Hz,2H)。
以上内容仅为本发明的较佳实施例,对于本领域的普通技术人员,依据本发明的思想,在具体实施方式及应用范围上均会有改变之处,本说明书内容不应理解为对本发明的限制。

Claims (5)

1.一种DWP205190的合成方法,其特征在于,如式(I)示出;
2.根据权利要求1所述的DWP205190的合成方法,其特征在于,所述的反应采用熔融合成法,不添加任何溶剂和催化剂。
3.根据权利要求1所述的DWP205190的合成方法,其特征在于,2-溴甲基-苯甲酸甲酯和3-(环戊基氧基)-4-甲氧基苯胺摩尔比为0.5—2.0:1;缩合温度80℃—180℃,反应时间为0.5-4小时;得到DWP205190粗品;使用溶剂重结晶粗品得到所需产物。
4.根据权利要求1所述的DWP205190的合成方法,其特征在于,2-溴甲基-苯甲酸甲酯和3-(环戊基氧基)-4-甲氧基苯胺摩尔比为0.5—2.0:1;缩合温度130-160℃,反应时间为0.5-4小时;得到DWP205190粗品;使用溶剂重结晶粗品得到所需产物。
5.根据权利要求1所述的DWP205190的合成方法,其特征在于,重结晶溶剂为甲醇、乙醇、甲苯、乙酸乙酯、乙醚、石油醚、二氯甲烷的一种或几种。
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002081446A1 (en) * 2001-04-06 2002-10-17 Daewoong Co., Ltd. 3-cyclopentyloxy-4-methoxyphenyl-isoindolinone derivatives and the use thereof
WO2009072581A1 (ja) * 2007-12-05 2009-06-11 Aska Pharmaceutical Co., Ltd. ラクタム化合物又はその塩及びppar活性化剤

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002081446A1 (en) * 2001-04-06 2002-10-17 Daewoong Co., Ltd. 3-cyclopentyloxy-4-methoxyphenyl-isoindolinone derivatives and the use thereof
WO2009072581A1 (ja) * 2007-12-05 2009-06-11 Aska Pharmaceutical Co., Ltd. ラクタム化合物又はその塩及びppar活性化剤

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
AJAY VERMA ET AL.,: "Transition metal free intramolecular selective oxidative C(sp3)–N coupling: synthesis of N-aryl-isoindolinones from 2-alkylbenzamides", 《CHEM. COMMUN.》 *
郑春满等: "《高等合成化学-方法与实践》", 30 September 2018 *

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