CN107311949B - 磺酰胺取代的芳基三嗪类化合物及其制备方法与应用 - Google Patents

磺酰胺取代的芳基三嗪类化合物及其制备方法与应用 Download PDF

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CN107311949B
CN107311949B CN201710423834.7A CN201710423834A CN107311949B CN 107311949 B CN107311949 B CN 107311949B CN 201710423834 A CN201710423834 A CN 201710423834A CN 107311949 B CN107311949 B CN 107311949B
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崔冬梅
汪涛
俞婷婷
张辰
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Zhejiang University of Technology ZJUT
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    • C07D251/00Heterocyclic compounds containing 1,3,5-triazine rings
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Abstract

本发明提供一种如式(II)所示的芳基取代磺酰胺类化合物及其制备方法和应用。所述方法为:将式(I)所示的三嗪化合物与对甲苯磺酰胺混合加入溶剂中,在铜盐催化作用下,在60~150℃温度下搅拌反应5~20小时,反应结束后,反应液后处理制得式(II)所示的咪唑并均三嗪类化合物;式(I)所示的三嗪类化合物与对甲苯磺酰胺的物质的量比为1:1.0~3.0。此外,本发明所述的N‑取代磺酰胺类化合物对大肠杆菌有一定的抑制作用,在抗菌药物及抗菌剂的制备中具有应用前景。

Description

磺酰胺取代的芳基三嗪类化合物及其制备方法与应用
技术领域
本发明涉及一类新的磺酰胺取代的芳基三嗪类化合物及其制备方法与应用。
背景技术
三嗪类化合物是重要有机合成中间体,在医药、材料、农业等领域也有着广泛的应用;同时该类化合物具有抗癌、抗菌及抗疟疾等多种生物活性;目前有关磺酰胺取代的芳基三嗪类化合物报道较少,制备结构新颖的磺酰胺取代的芳基三嗪类化合物具有重要的理论意义和实际应用价值。
发明内容
本发明采用如下技术方案:
一种如式(II)所示的磺酰胺取代的芳基三嗪类化合物:
Figure BDA0001315718700000011
式(II)中,R1,R2中各自独立为氢、C1~C10烷基、C6~C10芳基或者R1、R2和两者之间的N组合形成含N、O的C4~C8杂环,R3为氢、C1~C10烷基或C6~C10芳基。
优选地,所述R1,R2各自独立为氢原子、甲基、苯基或者R1、R2和两者之间的N组合形成吗啉环,R3为氢原子、甲基或苯基。
更优选地,所述R1,R2各自独立为氢原子、甲基或者R1、R2和两者之间的N组合形成吗啉环,R3为氢原子或苯基。
本发明还提供一种如式(II)所示的磺酰胺取代的芳基三嗪类化合物的制备方法:
将式(I)所示的三嗪化合物与对甲苯磺酰胺混合加入溶剂中,在铜盐的催化作用下,在60~130℃温度下搅拌反应5~20小时,反应结束后,反应液后处理制得式(II)所示的磺酰胺取代的芳基三嗪类化合物;式(I)所示三嗪化合物与对甲苯磺酰胺的物质的量比为1:1.0~3.0;所述溶剂为C6~C10芳烃类;
Figure BDA0001315718700000021
式(I)中,R1、R2、R3分别与式(II)中R1、R2、R3相同。
进一步,本发明所述式(I)所示三嗪化合物与铜盐物质的量比为1:0.1~2.0。
进一步,本发明所述铜盐优选为醋酸铜。
进一步,本发明所述溶剂优选为甲苯或氯苯。
通常,本发明所述溶剂的体积用量推荐以式(I)所示三嗪化合物的质量计为21~42mL/g。
进一步,本发明所述后处理为:反应结束后,加水,用二氯甲烷萃取,合并有机层,浓缩,柱层析分离,以体积比3:1的石油醚和丙酮混合液为洗脱剂,收集含目标化合物的洗脱液,减压蒸除溶剂并干燥,得到目标产物。
进一步,本发明还提供式(II)所示的芳基取代磺酰胺类化合物在制备抗菌药物或抗菌剂中的应用。
进一步,本发明所述的抗菌药物为抑制大肠杆菌活性的药物。
本发明开发了结构新颖的磺酰胺取代的芳基三嗪类化合物及其制备方法,该工艺反应条件温和,操作方便,成本低,有着广泛的工业应用前景。本发明所提供的磺酰胺取代的芳基三嗪类化合物显示一定的抗菌活性,为新药筛选及开发奠定了基础,具有较好的实用价值。
具体实施方式
下面结合具体实施例对本发明进行进一步描述,但本发明的保护范围并不仅限于此。
实施例1:化合物(II-1)的制备
将2-苯胺-4-二甲胺基-6-苯基-1,3,5-三嗪(0.1453g,0.4987mmol)、对甲苯磺酰胺(0.1742g,1.0175mmol)、Cu(OAc)2·H2O(0.0201g,0.1007mmol)在氯苯(3mL)中混合,在90℃条件下反应20h,反应结束后,加水50mL,用二氯甲烷萃取(20mL×4),合并有机层,浓缩,柱层析(洗脱剂为石油醚:丙酮=3:1,v:v),收集Rf值0.3~0.35的洗脱液(TLC监测,展开剂同洗脱剂),减压蒸馏除去溶剂,干燥得目标化合物(III-1)0.0442g,收率19%。
1H NMR(500MHz,CDCl3):δ13.28(s,1H),8.43(dd,J=8.0,1.4Hz,1H),7.71-7.63(m,5H),7.40–7.34(m,3H),7.20(s,1H),7.16(d,J=8.1Hz,2H),7.12(t,J=7.4Hz,1H),7.07(td,J=7.4,0.7Hz,1H),3.35(s,3H),3.28(s,3H),2.32(s,3H).
Figure BDA0001315718700000041
实施例2:
将氯苯改为甲苯(6mL),温度改为60℃,对甲苯磺酰胺的量改为(0.0871g,0.5087mmol),其他操作同实施例1,得量0.0256g,收率11%。
实施例3:
将温度改为130℃,Cu(OAc)2·H2O的量改为(0.2g,1.002mmol),反应时间改为5小时,其他操作同实施例1,得量0.0232g,收率10%。
实施例4:
将Cu(OAc)2·H2O的量改为(0.0100g,0.0501mmol),对甲苯磺酰胺的量改为(0.2613g,1.526mmol)其他操作同实施例1,得量0.0465g,收率20%。
实施例5:
将2-苯胺-4-二甲胺基-6-苯基-1,3,5-三嗪改为2-氨基-4-吗啉-6-苯基-1,3,5-三嗪(0.1243g,0.4831mmol),其他操作同实施例1,制得目标化合物(II-2)0.0963g,收率47%。
1H NMR(500MHz,CDCl3):δ13.18(s,1H),8.38(dd,J=8.3,1.6Hz,1H),7.67(d,J=8.3Hz,2H),7.61(dd,J=8.3,0.9Hz,1H),7.35(td,J=8.3,1.6Hz,1H),7.17(d,J=8.3Hz,2H),7.05(td,J=8.3,0.9Hz,1H),5.28(s,2H),3.96–3.75(m,8H),2.33(s,3H).
Figure BDA0001315718700000051
实施例6:
将2-苯胺-4-二甲胺基-6-苯基-1,3,5-三嗪改为2,4-二胺基-6-苯基-1,3,5-三嗪(0.0948g,0.5064mmol),其他操作同实施例1,制得目标化合物(II-3)0.1154g,收率64%。
1H NMR(500MHz,DMSO-d6):δ12.73(s,1H),8.13(dd,J=7.8,0.8Hz,1H),7.55-7.51(m,3H),7.44(td,J=7.8,0.8Hz,1H),7.22(d,J=8.1Hz,2H),7.13(t,J=7.8Hz,1H),7.07(s,2H),7.03(s,2H),2.29(s,3H).
Figure BDA0001315718700000052
实施例7:对大肠杆菌(E.coli,Ec)的体外抑菌活性测试
采用扩散法(打孔法)研究了目标化合物在浓度为10mg/mL时对大肠杆菌(E.coli,Ec)的体外抑菌作用。
方法:用灭过菌的打孔器在涂布菌液的平皿上十字对称打6个孔,用无菌微量注射器分别加入100μL质量浓度为10mg/mL的样品二甲基亚砜溶液,并以氨苄青霉素为对照品。将培养皿置于恒温(28℃)培养箱中培养24h,取出观察有无抑菌作用,结果见表2。
表2化合物浓度为10mg/mL体外抗菌活性
测试编号 化合物 Ec
1 (II-1) +++
2 (II-2) ++
3 (II-3) +++
对照品 氨苄青霉素 +++

Claims (9)

1.一种如式(II)所示的磺酰胺取代的芳基三嗪类化合物:
Figure FDA0002186704930000011
具体如下式:
Figure FDA0002186704930000012
2.一种如权利要求1所述的磺酰胺取代的芳基三嗪类化合物的制备方法,其特征在于所述方法为:
将式(I)所示的三嗪化合物与对甲苯磺酰胺混合加入溶剂中,在铜盐的催化作用下,在60~130℃温度下搅拌反应5~20小时,反应结束后,反应液后处理制得式(II)所示的磺酰胺取代的芳基三嗪类化合物;式(I)所示三嗪化合物与对甲苯磺酰胺的物质的量比为1:1.0~3.0;所述溶剂为C6~C10芳烃类;
Figure FDA0002186704930000021
式(I)中,R1、R2、R3分别与式(II)中R1、R2、R3相同。
3.如权利要求2所述的方法,其特征在于:所述式(I)所示三嗪化合物与铜盐物质的量比为1:0.1~2.0。
4.如权利要求2所述的方法,其特征在于:所述铜盐为醋酸铜。
5.如权利要求2所述的方法,其特征在于:所述溶剂为甲苯或氯苯。
6.如权利要求2所述的方法,其特征在于:所述溶剂的体积用量以式(I)所示三嗪化合物的质量计为21~42mL/g。
7.如权利要求2所述的方法,其特征在于所述后处理为:反应结束后,加水,用二氯甲烷萃取,合并有机层,浓缩,柱层析分离,以体积比3:1的石油醚和丙酮混合液为洗脱剂,收集含目标化合物的洗脱液,减压蒸除溶剂并干燥,得到目标产物。
8.如权利要求1所述的芳基取代磺酰胺类化合物在制备抗菌药物或抗菌剂中的应用。
9.如权利要求8所述的应用,其特征在于:所述的抗菌药物为抑制大肠杆菌活性的药物。
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