CN101613354B - 一种制备吡喃并香豆素衍生物的方法 - Google Patents
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Abstract
本发明公开了一种吡喃并香豆素衍生物的制备方法。它是以4-羟基香豆素和1,3-二芳基丙烯为原料,以2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)为氧化剂,以4
Description
技术领域
本发明涉及一种吡喃并香豆素衍生物的制备方法。
背景技术
香豆素类化合物是一种重要的具有生物活性的天然物质,具有各种生物活性,有灭菌、杀虫、抗凝血等作用,也可以作雌激素。吡喃类香豆素及其衍生物有的是潜在的抑制麻疹病毒复制试剂,有的是抑制子宫收缩的药效团和潜在的多重药效抵抗反转试剂,还有一些衍生物是阻止[3H]胸苷同人体白血病细胞(HL-60)结合的试剂,这些重要作用已引起人们合成这类化合物的广泛兴趣。
用4-羟基香豆素和芳基醛,丙二腈在微波辐射条件下得到2-氨基-3-氰基-4-芳基-4H,5H-吡喃-[3,2-c]苯并吡喃-5-酮。
用4-羟基香豆素和芳基醛作原料,用乙醇为溶剂,在微波条件下得到9-芳基-1,8二氧代-9H-二苯并[c,h]-2,7,10-三氧杂蒽。
用4-羟基香豆素和取代亚苄基丙酮作原料,在无水乙醇中回流,得到吡喃香豆素类似物。
进一步开发吡喃并香豆素衍生物的制备方法,对新药筛选有重要意义。
发明内容
本发明的目的是提供一种反应温和、高产率制备吡喃并香豆素衍生物的方法。
本发明的制备吡喃并香豆素衍生物的方法,其步骤是:以4-羟基香豆素和1, 3-二芳基丙烯为原料,以2,3-二氯-5,6-二氰基-1,4-对苯醌为氧化剂,以 分子筛为促进剂,把原料、氧化剂和促进剂混合在有机溶剂中,搅拌反应0.5~1.5小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化,得吡喃并香豆素衍生物;1,3-二芳基丙烯和4-羟基香豆素的摩尔比为1∶1.0~1.5;1,3-二芳基丙烯和2,3-二氯-5,6-二氰基-1,4-对苯醌的摩尔比为1∶2.0~2.5; 分子筛和1,3-二芳基丙烯重量比例为1.5~3∶1;
反应式为:
其中R1=H;R2=H,烷基,卤素;R3=H,烷基,卤素;其中烷基为CnH2n+1,n=1~4。
上述的有机溶剂可以是二氯甲烷或二氯乙烷。
本发明从1,3-二芳基丙烯和4-羟基香豆素出发,在2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)氧化作用下,在空气氛围中就可以进行反应,中间经过了两次氧化脱氢交叉偶联反应,最后得到吡喃并香豆素衍生物。本发明与已有的合成方法相比,具有以下优点:
1)反应条件温和;
2)反应通用性强;
3)反应产率高;
4)投料和后处理都非常简单。
5)反应起始原料容易得到。
具体实施方法
以下实施例将有助于理解本发明,但不限于本发明的内容:
实施例1
把4-羟基香豆素(12毫摩尔)和1,3-二苯基丙烯(10毫摩尔)以及2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)(20毫摩尔), 分子筛(5g)溶解在20毫升二氯甲烷中,在空气中和室温条件下反应1小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化可以68%产率获得白色的2,4-二苯基-吡喃[3,2-c]苯并吡喃-5(4H)酮;产物物理数据为:m.p.168-169℃;1H NMR(400MHz, CDCl3)δ8.02(dd,J1=1.6Hz,J2=8.0Hz 1H),7.73(t,J=4.4Hz,2H),7.56(m,1H),7.38(m,9H),7.23(t,J=7.4Hz 1H),5.84(d,J=4.8Hz,1H),4.70(d,J=4.8Hz,1H),ppm;13C NMR(100MHz,CDCl3)δ161.42,155.69,152.69,146.82,143.49,132.56,131.96,129.21,128.63,128.59,128.43,127.19,124.61,124.12,122.63,116.78,114.50,103.69,103.62,36.57 ppm;IR(KBr)v 3026,2918,1720,1632,1610,1492,1387,1270,1169,1012,765,692 cm-1;MS(ESI)m/z 374.8([M+Na]+);HRMS(ESI)calcd for C24H16O3([M+Na]+),375.0992;found,375.0986.
实施例2
把6-甲基-4-羟基香豆素(15毫摩尔)和1,3-二苯基丙烯(10毫摩尔)以及2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)(20毫摩尔),4 分子筛(3g)溶解在20毫升二氯甲烷中,在空气中和室温条件下反应0.5小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化可以70%产率获得白色的9-甲基-2,4-二苯基-吡喃[3,2-c]苯并吡喃-5(4H)酮;产物物理数据为:m.p.212-213℃;1HNMR(400MHz,CDCl3)δ7.67(s,1H),7.60(d,J=6.4Hz,2H),7.43(m,9H),7.23(d,J=8.4Hz,1H),6.15(d,J=3.6Hz 1H),5.77(d,J=4.4Hz,1H),2.43(s,3H)ppm;13C NMR(100MHz,CDCl3)δ161.36,158.85,151.79,138.29,137.94,135.32,133.68,133.66,129.23,128.88,127.87,127.79,127.52,127.38,122.82,120.11,116.36,114.80,102.69,78.77,20.86ppm;IR(KBr)v 3055,3025,1717,1625,1550,1493,1397,1363,1280,1111,1001,765,755,702,533cm-1;MS(ESI)m/z 389.02([M+Na]+);HRMS(ESI)calcd for C25H18O3([M+Na]+),389.1148;found,389.1141.
实施例3
把6-氯-4-羟基香豆素(12毫摩尔)和1,3-二苯基丙烯(10毫摩尔)以及2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)(25毫摩尔),4 分子筛(6g)溶解在20毫升二氯甲烷中,在空气中和室温条件下反应1.5小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化可以55%产率获得淡黄色的9-氯-2,4-二苯基-吡喃[3,2-c]苯并吡喃-5(4H)酮;产物物理数据为:m.p.177-178℃;1H NMR(400MHz,CDCl3)δ7.84(d,J=2.0Hz 1H),7.60(d,J=6.8Hz,2H),7.50(m,4H),7.42(m,5H),7.29(t,J=5.8Hz,1H),6.20(d,J=4.4Hz,1H),5.82(d,J=4.4Hz,1H),ppm;13C NMR(100MHz,CDCl3)δ160.06,158.12,151.89,137.83,137.58,134.93,132.52,129.50,129.47,129.00,127.97,127.94,127.59, 127.40,122.70,120.74,118.07,116.07,116.33,79.05ppm;IR(KBr)v 3059,2925,1721,1625,1544,1480,1391,1156,1114,993,760,699cm-1;MS(ESI)m/z 409.2([M+Na]+);HRMS(ESI)calcd for C24H15ClO3([M+Na]+),409.0602;found,409.0594.
实施例4
把4-羟基香豆素(12毫摩尔)和1,3-二(4-溴苯基)丙烯(10毫摩尔)以及2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)(20毫摩尔),4 分子筛(5g)溶解在20毫升二氯甲烷中,在空气中和室温条件下反应0.75小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化可以70%产率获得白色的2,4-二(4-溴苯基)吡喃[3,2-c]苯并吡喃-5(4H)酮;产物物理数据为:m.p.158-159℃;1H NMR(400MHz,CDCl3)δ7.84(d,J=8Hz,1H),7.59(t,J=7.6Hz,3H),7.45(dd,J1=8.0Hz,J2=25.2Hz,4H),7.30(q,J=8.0Hz,2H),7.21(d,J=7.6Hz,2H),6.11(d,J=4.4Hz,1H),5.73(d,J=4.0Hz,1H),ppm;13C NMR(100MHz,CDCl3)δ161.33,158.53,153.56,136.86,136.58,134.66,132.98,132.16,131.10,129.12,129.06,124.13,123.60,123.23,122.07,119.79,116.71,114.90,102.34,77.88ppm;IR(KBr)v 3053,1724,1632,1608,1553,1488,1404,1385,1329,1265,1211,1072,1023,999.812,756cm-1;MS(ESI)m/z 530.2([M+Na]+);HRMS(ESI)calcd for C24H14Br2O3([M+Na]+),530.9202;found,530.9205.
实施例5
把6-氯-4-羟基香豆素(12毫摩尔)和1,3-二(4-溴苯基)丙烯(10毫摩尔)以及2,3-二氯-5,6-二氰基-1,4-对苯醌(DDQ)(20毫摩尔),4 分子筛(5g)溶解在20毫升二氯乙烷中,在空气中和室温条件下反应0.75小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化可以64%产率获得淡黄色的9-氯-2,4-二(4-溴苯基)吡喃[3,2-c]苯并吡喃-5(4H)酮;产物物理数据为:m.p.185-186℃;1H NMR(400MHz,CDCl3)δ7.77(d,J=2.4Hz,1H),7.57(d,J=8.4Hz,2H),7.50(m,3H),7.41(d,J=8.4Hz,2H),7.22(m,3H),6.11(d,J=3.6Hz,1H),5.73(d,J=4.4Hz,1H)ppm;13C NMR(100MHz,CDCl3)δ160.06,157.96,151.87,136.48,136.30,134.37,132.88,132.27,131.14,129.72,129.20,129.04,123.82,122.63,122.20,120.32,118.18,116.03,102.88,77.18ppm;IR(KBr)v 3064,2922,1724,1630,1556,1489,1402,1267,1200,1117,1072,1009,814,772cm-1;MS(ESI)m/z 565.2([M+Na]+);HRMS(ESI)calcd for C29H31NO8([M+Na]+),564.9032.;found,564.9065.
Claims (2)
1.一种制备吡喃并香豆素衍生物的方法,其步骤是:以4-羟基香豆素和1,3-二芳基丙烯为原料,以2,3-二氯-5,6-二氰基-1,4-对苯醌为氧化剂,以分子筛为促进剂,把原料、氧化剂和促进剂混合在有机溶剂中,搅拌反应0.5~1.5小时,反应完毕,滤液减压浓缩除去有机溶剂,浓缩液通过柱层析纯化,得吡喃并香豆素衍生物;1,3-二芳基丙烯和4-羟基香豆素的摩尔比为1∶1.0~1.5;1,3-二芳基丙烯和2,3-二氯-5,6-二氰基-1,4-对苯醌的摩尔比为1∶2.0~2.5;分子筛和1,3-二芳基丙烯重量比例为1.5~3∶1;
反应式为:
其中R1=H;R2=H,烷基,卤素;R3=H,烷基,卤素;其中烷基为CnH2n+1,n=1~4。
2.根据权利要求1所述的制备吡喃并香豆素衍生物的方法,其特征在于所说的有机溶剂为二氯甲烷或二氯乙烷。
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CN103992332B (zh) * | 2014-06-06 | 2016-01-13 | 广西师范大学 | 制备呋喃[3,2-c]香豆素化合物的方法 |
CN104387405B (zh) * | 2014-12-11 | 2016-06-15 | 长沙理工大学 | 一种合成呋喃[3,2-c]香豆素衍生物的方法 |
CN115215879B (zh) * | 2022-06-21 | 2023-10-20 | 广西中医药大学 | 3-芳基-4,5-吡喃香豆素衍生物及其制备方法和应用 |
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