曲克芦丁酰胺类衍生物及其合成方法和用途与流程

文档序号:11245014阅读:1046来源:国知局

本发明涉及黄酮类化合物,尤其涉及曲克芦丁酰胺类化合物及其制备方法和用途,属药物化学领域。



背景技术:

黄酮是一种多酚类化合物,广泛存在于高等植物的根、茎、叶、花、果实中,这类化合物不仅对心脑血管以及消化系统异常有着良好的抑制作用和镇痛作用,而且还具有清除自由基、抗肿瘤、抗病毒、抗氧化、抗突变、抗菌和调节免疫等方面的功能(harborne,jb;williams,ca.advancesinflavonoidresearchsince1992[j].phytochemistry,2000,55,481-504;刘星雨,孙体健,周敏.天然黄酮类化合物的药理活性及分离提取[j].中国药物与临床,2014,14(5),621-624)。但由于其刚性平面结构,分子间排列紧密,使大多数黄酮类天然产物水溶性或脂溶性较低,导致其生理活性利用率不高,限制了黄酮类天然产物的开发和应用(延玺,刘会青,邹永青,等.黄酮类化合物生理活性及合成研究进展[j].有机化学,2008,28(9),1534-1544)。改性的方法主要有取代反应、mannich反应、酯化反应、羟基化反应和糖基化反应等。例如用不同碳链长的二溴烷烃与白杨素7-oh位发生亲电取代反应,引入活性基团后与吗啡啉、n-甲基哌嗪、哌嗪、n,n-二甲基胺氨解反应合成新型白杨素的含氮衍生物(sureshbabuk,haribabut,srinivaspv,etal.synthesisandbiologicalevaluationofnovelc(7)modifiedchrysinanaloguesasantibacterialagents[j].bioorg.med.chem.lett.,2006,16,221-224)。zeng等同样利用亲电取代反应合成了具有哌嗪取代基的黄酮类衍生物,体内体外显示了抗肿瘤性(zengs,liuw,nieff,etal.lyg-202,anewflavonoidwithapiperazinesubstitution,showsantitumoreffectsinvivoandinvitro[j].biochem.bioph.res.co.,2009,385,551-556);babu等通过mannich反应用甲醛和一级、二级胺与木蝴蝶素合成了一系列的8-胺甲基衍生物(babuth,ramasubbaraov,ashokk,etal.synthesisandbiologicalevaluationofnovel8-aminomethylatedoroxylinaanaloguesasa-glucosidaseinhibitors[j].bioorg.med.chem.let,2008,18,1659-1662);bhullar等在丙酮和叔戊醇中,以novozym435催化异槲皮苷与脂肪酸的酯化反应,选择性合成了异槲皮苷-6”-o-酯基衍生物。其酯化产物脂溶性、抗氧化性、抗增殖活性都有了很大的提高(ziaullah;bhullar,khushwants.;warnakulasuriya,sumudun.etal.bhullarks,warnakulasuriyasn,rupasinghehv.biocatalyticsynthesis,structuralelucidation,antioxidantcapacityandtyrosinaseinhibitionactivityoflongchainfattyacidacylatedderivativesofphloridzinandisoquercitrin[j].bioorg.med.chem.let,2013,21(3):684-692)。韩天佼以6种黄酮(白杨素,芹菜素,大豆苷元等)为原料,与氨基磷酸酯在黄酮c-7羟基发生酯化反应,合成的黄酮氨基磷酸酯衍生物经hiv活性评价,可能具有抗肿瘤活性(韩天佼,六种黄酮7位氨基磷酸醋衍生物的设计与合成[d].大连,大连理工大学,2012);modolo等通过糖基转移酶催化了黄酮和异黄酮进行糖基化反应。(modololv,lil,panh,etal.crystalstructuresofglycosyltransferaseugt78g1revealthemolecularbasisforglycosylationanddeglycosylationof(iso)flavonoids[j].j.mol.biology,2009,392(5):1292-1302)。

离子液体作为一种绿色溶剂,因具有低蒸气压、广泛的液态范围、高离子电导性、高热稳定性和可溶解大多数化合物等良好的性质,被广泛应用于有机合成中。近年来,离子液体作为溶剂,用于天然产物的改性也有报道,例如katsoura等研究了酶在离子液体[bmim][bf4]做溶剂时催化芦丁和柚皮苷酰化反应,离子液体的使用大大提高了反应转化率和酶的区域选择性(katsouramh,polyderaac,tsironisl,etal.useofionicliquidsasmediaforthebiocatalyticpreparationofflavonoidderivativeswithantioxidantpotency[j].j.biotechnol.,2006,123(4):491-503)。wang报道了离子液体与缓冲溶剂作为共溶剂,有利于酶通过选择性地水解芦丁,转化得到异槲皮苷(wang,j,sun,gx,yu,letal.enhancementoftheselectiveenzymaticbiotransformationofrutintoisoquercitrinusinganionicliquidasaco-solvent[j].biores.technol.2012,128:156-163)。用离子液体催化合成曲克芦丁酰胺类衍生物未见报道。相对于文献报道的化学催化和酶催化改性黄酮类化合物而言,以离子液体既做溶剂、又作为催化剂的反应体系,不仅能大大节省催化剂的用量,而且因离子液体制备简单,价格较低,容易回收等特点,可降低合成成本,简化后处理操作。用价廉的离子液体作为催化剂的反应体系也为黄酮类化合物的结构修饰提供一条新的途径。



技术实现要素:

本发明的目的在于提供系列曲克芦酰胺类衍生物;另一目的在于提供用离子液体做催化剂和溶剂、反应条件温和、简单易行、副产物少的曲克芦丁酰胺类衍生物制备方法。

本发明所述的曲克芦丁酰胺类衍生物具有如下结构:

n-(4-氟)苯乙基/苄基曲克芦丁酰胺衍生物(ⅰ)

含四氢异喹啉曲克芦丁酰胺类衍生物(ⅱ)

通式i、ii中n代表了亚甲基的个数,分别为2,3,4,5,6,7,8,10,11。通式i中r’分别是苯乙基、4-氟苯乙基、苄基;r1和r2分别为-h,-och3,相同或不同。

通式i中优选如下化合物:

(1)n为3,4,5,7。

(2)n为3,4,5。

(3)n为3,4,5。

通式ii中优选如下化合物:

(1)r1=h,r2=h,n为3,5,10,

(2)r1=och3,r2=och3,n为4,8,

(3)r1=h,r2=och3,n为3,5,7。

上述化合物合成路线如下:

n-(4-氟)苯乙基/苄基曲克芦丁酰胺衍生物(ⅰ)其合成方法通过如下方式实现:

曲克芦丁与脂肪酸二乙烯酯在枯草杆菌蛋白酶催化下,以吡啶为反应介质,40℃~60℃反应,反应结束后,过柱分离得到曲克芦丁乙烯酯。

将不同链长的曲克芦丁乙烯酯在离子液体存在下,分别与苯乙基胺、4-氟-苯乙基胺或苄胺化合物40~70℃反应。反应结束后有机溶剂萃取,萃取液减压浓缩,柱色谱分离,得到n-苯乙基/苄基曲克芦丁酰胺衍生物(ⅰ)。

曲克芦丁乙烯酯:胺类化合物摩尔比为1:2~10。

含四氢异喹啉曲克芦丁酰胺类衍生物(ⅱ)其合成方法通过如下方式实现:

离子液体做反应介质,曲克芦丁乙烯酯与1,2,3,4-四氢异喹啉类化合物为反应底物,在40~70℃反应。反应结束后,有机溶剂萃取产物,浓缩后,柱色谱分离,得到含四氢异喹啉曲克芦丁酰胺类衍生物(ⅱ)。

曲克芦丁乙烯酯与1,2,3,4-四氢异喹啉类化合物摩尔比为1:1~12。

本专利所述离子液体由阳离子和阴离子组成,阳离子包括吡啶类阳离子

3-甲基咪唑类阳离子三辛基甲基铵阳离子(缩写toma]+),其中的r分别代表乙基、正丁基、正己基、正辛基;阴离子包括bf4-、no3-、pf6-、tf2n-(双三氟甲磺酰亚胺负离子)、br-或cl-

本发明优点:以离子液体既做溶剂、又作为催化剂的反应体系,无需额外添加催化剂、合成产率高,达70%以上,反应工艺简单、操作简便,反应条件温和,后处理容易,离子液体容易回收、成本较低;同时,生成的产物具有抗肿瘤活性,对结肠癌和乳腺癌有较好的抑制活性,具有较好的开发应用价值。

具体实施方式

下面通过实施例对本发明进行进一步的阐述,但并不意味着本发明的内容局限于实施例。

实施例1-1

在50ml锥形瓶中称取曲克芦丁140mg(0.18mmol),戊二酸二乙烯酯138mg(0.75mmol),10ml吡啶为溶剂,加入枯草杆菌蛋白酶120mg后,放入50℃恒温振荡器中反应,转速250rev·min-1。反应72h结束后,过滤除去酶,减压蒸出吡啶。柱色谱分离纯化,洗脱剂为乙酸乙酯/甲醇/水(15:3.6:0.5v/v),得到黄色固体曲克芦丁戊二酰乙烯酯103mg(0.12mmol),产率65%。

1h-nmr(dmso-d6),δ(ppm):12.49(s,1h,oh5),7.85(s,1h,h2’),7.74(d,1h,j=7.2hz,h6’),7.22(dd,1h,j=6.4hz,j=14.1hz,-och=),7.17(d,1h,j=6.6hz,h5’),6.75(s,1h,h8),6.38(s,1h,h6),5.35(d,1h,j=7.6hz,h1”),4.89(m,1h,och=ch2),4.65(m,1h,och=ch2),4.47(m,3h,2hofaacylated,1hofbacylated),4.32(m,1h,h1”’),4.26(m,1h,hofbacylated),4.12-4.05(m,4h,hofa),3.75(m,4h,hofb),3.71-3.04(10h,hofrhamnoglucosyl),2.47(m,2h,-ch2-cooch=ch2),2.26(m,2h,-ch2-co-troxerutin),1.80(m,2h,otherch2ofglutaridioylpart),0.97(d,3h,j=6.2hz,ch3ofrhamnosyl);ir(kbr,cm-1):3385(oh),1732(c=o),1645(c=c);esi-ms(m/z):905.1(m+na)+.

在50ml锥形瓶中加入曲克芦丁戊二酰乙烯酯95mg(0.11mmol)、苯乙胺73mg(0.66mmol),[omim]bf4(1-正辛基-3-甲基咪唑四氟硼酸盐)10ml,50℃空气浴150rpm恒温振荡,反应24h。乙酸乙酯萃取,减压浓缩后,柱层析分离纯化,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v),得到含苯乙胺的曲克芦丁酰胺衍生物。淡黄色固体79.1mg,产率为75%。

yellowpowder,rf=0.21,1hnmr(400mhz,dmso-d6+d2o,δppm):7.82-7.83(m,1h,h2’),7.67-7.73(m,1h,h6’),7.10-7.24(m,6h,1hofh5’,5hofphenethylamine),6.68(s,1h,h8),6.36(s,1h,h6),5.31-5.36(m,1h,h1”),4.35-4.37(m,3h,2hofaacylated,1hofbacylated),4.24-4.28(m,2h,1hofh1”’,1hofbacylated),4.06-4.08(m,4h,hofa),3.66-3.74(m,4h,hofb),3.01-3.74(m,12h,10hofrhamnoglucosyl,2hofphenethylamine),2.63-2.67(t,j=7.2hz,2h,hofphenethylamine),2.04-2.26(m,4h,2hofch2coo-troxerutin,2hofch2co-phenethylamine),1.67-1.71(m,2h,otherch2ofglutarylpart),0.89-0.91(d,j=6.0hz,3h,ch3ofrhamnosyl);ir(kbr):3380cm-1(oh),1732cm-1(o=c-o),1655cm-1(o=c-n),1454cm-1(c-n);esi-ms(m/z):982.3(m+na)+.

实施例1-2

在50ml锥形瓶中加入曲克芦丁戊二酰乙烯酯95mg(0.11mmol)、4-氟苯乙胺153mg(1.10mmol),[omim]br(1-正辛基-3-甲基咪唑溴盐)10ml,50℃空气浴150rpm恒温振荡,反应24h。乙酸乙酯萃取,减压浓缩后,柱层析分离纯化,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v),得到含4-氟苯乙胺的曲克芦丁酰胺衍生物。淡黄色固体91.4mg,产率为85%。

yellowpowder,rf=0.3,1hnmr(400mhz,dmso-d6+d2o,δppm):7.82-7.83(m,1h,h2’),7.66-7.73(m,1h,h6’),7.00-7.19(m,5h,1hofh5’,5hofphenethylamine),6.66-6.68(m,1h,h8),6.35-6.36(m,1h,h6),5.32-5.37(m,1h,h1”),4.35-4.38(m,3h,2hofaacylated,1hofbacylated),4.24-4.28(m,2h,1hofh1”’,1hofbacylated),4.02-4.08(m,4h,hofa),3.67-3.76(m,4h,hofb),3.01-3.76(m,12h,10hofrhamnoglucosyl,2hofphenethylamine),2.62-2.66(t,j=7.0hz,2h,hofphenethylamine),2.04-2.56(m,4h,2hofch2co-troxerutin,2hofch2co-phenethylamine),1.65-1.73(m,2h,otherch2ofglutarylpart),0.90-0.91(d,j=6.0hz,3h,ch3ofrhamnosyl);ir(kbr):3334cm-1(oh),1734cm-1(o=c-o),1655cm-1(o=c-n),1456cm-1(c-n);esi-ms(m/z):1000.3(m+na)+.

实施例1-3

在50ml锥形瓶中称取曲克芦丁140mg(0.18mmol),壬二酸二乙烯酯180mg(0.75mmol),10ml吡啶为溶剂,加入枯草杆菌蛋白酶175mg后,放入60℃恒温振荡器中反应,转速250rev·min-1。反应148h结束后,过滤除去酶,减压蒸出吡啶。后处理同上。得到黄色固体曲克芦丁壬二酰乙烯酯101mg(0.10mmol),产率57%。

1h-nmr(dmso-d6),δ(ppm):12.50(s,1h,oh5),7.85(s,1h,h2’),7.75(d,1h,j=8.4hz,h6’),7.21(dd,1h,j=6.0hz,j=13.8hz,-och=),7.15(d,1h,j=8.4hz,h5’),6.75(s,1h,h8),6.38(s,1h,h6),5.41(d,1h,j=10.0hz,h1”),4.91(m,1h,och=ch2),4.61(m,1h,och=ch2),4.41(m,3h,2hofaacylated,1hofbacylated),4.32(m,1h,h1”’),4.26(m,1h,hofbacylated),4.12-4.06(m,4h,hofa),3.75(m,4h,hofb),3.71-3.00(10h,hofrhamnoglucosyl),2.39(t,2h,j=7.2hz,-ch2-cooch=ch2),2.34(t,2h,j=7.2hz,-ch2-co-troxerutin),1.52,1.25(m,10h,otherch2ofnonoanedioylpart),0.99(d,3h,j=6.2hz,ch3ofrhamnosyl);ir(kbr,cm-1):3377(oh),1735(c=o),1647(c=c);esi-ms(m/z):961.3(m+na)+.

在50ml锥形瓶中加入曲克芦丁壬二酰乙烯酯101.4mg(0.11mmol)、4-氟苯乙胺123mg(0.88mmol),[bmim]br(1-正丁基-3-甲基咪唑溴盐)10ml,50℃空气浴150rpm恒温振荡,反应36h。乙酸乙酯萃取,减压浓缩后,柱层析分离纯化,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v)。淡黄色固体79.5mg,产率为70%。

yellowpowder,rf=0.32,1hnmr(400mhz,dmso-d6+d2o,δppm):7.81(s,1h,h2’),7.63-7.70(m,1h,h6’),6.97-7.17(m,6h,1hofh5’,5hofphenethylamine),6.61(s,1h,h8),6.32(s,1h,h6),5.28-5.34(m,1h,h1”),4.35-4.36(m,3h,2hofaacylated,1hofbacylated),4.23-4.26(m,2h,1hofh1”’,1hofbacylated),4.00-4.06(m,4h,hofa),3.67-3.75(m,4h,hofb),3.01-3.75(m,12h,10hofrhamnoglucosyl,2hofphenethylamine),2.61-2.65(t,j=6.6hz,2h,hofphenethylamine),1.90-2.28(m,4h,2hofch2co-troxerutin,2hofch2co-phenethylamine),1.01-1.45(m,10h,otherch2ofazelaoylpart),0.89-0.91(d,j=5.6hz,3h,ch3ofrhamnosyl);ir(kbr):3334cm-1(oh),1732cm-1(o=c-o),1653cm-1(o=c-n),1456cm-1(c-n);esi-ms(m/z):1056.4(m+na)+.

实施例1-4

在50ml锥形瓶中加入曲克芦丁戊二酰乙烯酯95mg(0.11mmol)、卞胺117mg(1.10mmol),[opy]br(n-正辛基吡啶溴盐)10ml,60℃空气浴150rpm恒温振荡,反应24h。乙酸乙酯萃取,减压浓缩后,柱层析分离纯化,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v),得到含卞胺的曲克芦丁酰胺衍生物。淡黄色固体81.1mg,产率为78%。

yellowpowder,rf=0.29,1hnmr(400mhz,dmso-d6+d2o,δppm):1hnmr(400mhz,dmso-d6,δppm):7.81(s,1h,h2’),7.63-7.70(m,1h,h6’),7.23-7.27(m,2h,hofbenzylamine)7.16-7.18(m,3h,1hofh5’,2hofbenzylamine),7.07-7.09(m,1h,hofbenzylamine),6.63(s,1h,hofh8),6.32-6.33(d,j=2.0hz,1h,h6),5.29-5.34(m,1h,h1”),4.32-4.37(m,3h,2hofaacylated,1hofbacylated),4.20-4.26(m,4h,1hofh1”’,1hofbacylated,2hofbenzylamine),4.02-4.05(m,4h,hofa),3.67-3.75(m,4h,hofb),3.01-3.75(m,10h,hofrhamnoglucosyl),2.09-2.34(m,4h,2hofch2co-troxerutin,2hofch2co-benzylamine),1.73-1.80(m,2h,otherch2ofglutarylpart),0.88-0.90(d,j=6.0hz,3h,ch3ofrhamnosyl);ir(kbr):3334cm-1(oh),1732cm-1(o=c-o),1655cm-1(o=c-n),1456cm-1(c-n);esi-ms(m/z):968.3(m+na)+.

实施例1-5

在50ml锥形瓶中加入曲克芦丁戊二酰乙烯酯95mg(0.11mmol)、卞胺117mg(1.10mmol),[hmim]bf4(1-己基-3-甲基咪唑四氟硼酸盐)10ml,50℃空气浴150rpm恒温振荡,反应24h。后处理同上。得到含卞胺的曲克芦丁酰胺衍生物。淡黄色固体85.2mg,产率为82%。

数据同实施例1-4。

实施例2-1

在50ml锥形瓶中加入曲克芦丁戊二酰乙烯酯190mg(0.22mmol)、1,2,3,4-四氢异喹啉292.8mg(2.20mmol),[omim]br20ml,60℃空气浴振荡器中、150rpm恒温振荡,反应24h。乙酸乙酯萃取,减压旋蒸,除去大部分有机溶剂,柱层析分离得到产品,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v)。得到含四氢异喹啉的曲克芦丁酰胺衍生物。淡黄色固体产物160mg,产率为75%。

yellowsolid,rf=0.1,1hnmr(400mhz,dmso-d6+d2o,δppm):7.81-7.83(m,1h,h2’),7.67-7.72(m,1h,h6’),7.08-7.12(m,5h,1hofh5’,4hoftetrahydroisoquinoline),6.69(s,1h,h8),6.36(s,1h,h6),5.33-5.37(m,1h,h1”),4.52-4.53(m,2h,hoftetrahydroisoquinoline),4.34-4.43(m,3h,2hofaacylated,1hofbacylated),4.24-4.28(m,2h,1hofh1”’,1hofbacylated),4.02-4.08(m,4h,hofa),3.70-3.78(m,4h,hofb),3.54-3.60(m,2h,hoftetrahydroisoquinoline),3.01-3.67(m,10h,hofrhamnoglucosyl),2.71-2.75(m,2h,hoftetrahydroisoquinoline),2.36-2.40(m,4h,2hofch2coo-troxerutin,2hofch2co-tetrahydroisoquinoline),1.73-1.78(m,2h,otherch2ofglutarylpart),0.90-0.91(d,j=4.8hz,3h,ch3ofrhamnosyl);13cnmr(dmso-d6):177.9(c-4),173.3(c=o),171.0(c=o),165.1(c-7),161.3(c-9),156.9(c-5),151.4(c-2),150.7(c-4’),147.4(c-3’),135.2(tetrahydroisoquinoline),134.2(tetrahydroisoquinoline),133.7(c-3),128.9(tetrahydroisoquinoline),128.8(tetrahydroisoquinoline),126.8(tetrahydroisoquinoline),126.6(tetrahydroisoquinoline),123.3(c-1’),122.7(c-6’),115.3(c-5’),113.4(c-2’),105.5(c-10),101.7(c-1”),101.4(c-1”’),98.8(c-6),93.3(c-8),76.8(c-3”),76.4(c-5”),74.6(c-2”),72.2(c-4”’),71.1(c-3”’),71.0(c-2”’),70.9(c-4”),70.8(c-a),70.6(c-a),68.7(c-5”’),67.4(c-6”),67.2(c-a),62.8(c-b),60.0(c-b),59.7(c-b),46.7(tetrahydroisoquinoline),43.9(tetrahydroisoquinoline),42.9(tetrahydroisoquinoline),33.3((ch2)n),32.3((ch2)n),29.2((ch2)n),18.2(c-6”’);ir(kbr):3369cm-1(oh),1732cm-1(o=c-o),1655cm-1(o=c-n),1452cm-1(c-n);esi-ms(m/z):995(m+na)+.

实施例2-2

在50ml锥形瓶中称取曲克芦丁140mg(0.18mmol),十二二酸二乙烯酯172mg(0.75mmol),10ml吡啶为溶剂,加入枯草杆菌蛋白酶120mg后,放入50℃恒温振荡器中反应,转速250rev·min-1。反应96h结束后,过滤除去酶,减压蒸出吡啶。柱色谱分离纯化,洗脱剂为乙酸乙酯/甲醇/水(15:3.6:0.5v/v),得到黄色固体曲克芦丁十二二酰乙烯酯89mg(0.092mmol),产率51%。

yellowpowder,,rf0.34;1h-nmr(dmso-d6),δ(ppm):12.50(s,1h,oh5),7.85(s,1h,h2’),7.74(d,1h,j=8.7hz,h6’),7.22(dd,1h,j=6.2hz,j=14.0hz,-och=),7.15(d,1h,j=8.8hz,h5’),6.75(s,1h,h8),6.38(s,1h,h6),5.38(d,1h,j=6.0hz,h1”),4.92(m,1h,och=ch2),4.60(m,1h,och=ch2),4.42(m,3h,2hofaacylated,1hofbacylated),4.32(m,1h,h1”’),4.26(m,1h,hofbacylated),4.13-4.06(m,4h,hofa),3.75(m,4h,hofb),3.70-3.04(10h,hofrhamnoglucosyl),2.41(m,2h,-ch2-cooch=ch2),2.33(m,2h,-ch2-co-troxerutin),1.52,1.21(m,16h,otherch2oftridecanoylpart),0.96(d,3h,j=6.2hz,ch3ofrhamnosyl);ir(kbr,cm-1):3392(oh),1735(c=o),1647(c=c);esi-ms(m/z):1003.3(m+na)+.

在50ml锥形瓶中加入曲克芦丁十二二酰乙烯酯212.3mg(0.22mmol)、1,2,3,4-四氢异喹啉176mg(1.32mmol),[omim]no320ml,60℃空气浴振荡器中、150rpm恒温振荡,反应48h。乙酸乙酯萃取,减压旋蒸,除去大部分有机溶剂,柱层析分离得到产品,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v)。淡黄色固体产物176mg,产率为75%。

yellowsolid,rf=0.23,1hnmr(400mhz,dmso-d6+d2o,δppm):7.87(s,1h,h2’),7.72-7.79(m,1h,h6’),7.13-7.18(m,5h,1hofh5’,4hoftetrahydroisoquinoline),6.72(s,1h,h8),6.39(s,1h,h6),5.36-5.41(m,1h,h1”),4.58-4.62(m,2h,hoftetrahydroisoquinoline),4.35-4.44(m,3h,2hofaacylated,1hofbacylated),4.28-4.32(m,2h,1hofh1”’,1hofbacylated),4.07-4.12(m,4h,hofa),3.74-3.82(m,4h,hofb),3.63-3.66(m,2h,hoftetrahydroisoquinoline),3.05-3.73(m,10h,hofrhamnoglucosyl),2.75-2.84(m,2h,hoftetrahydroisoquinoline),2.29-2.36(m,4h,2hofch2co-troxerutin,2hofch2co-tetrahydroisoquinoline),1.16-1.49(m,16h,otherch2ofdodecanoylpart),0.95-0.96(d,j=6hz,3h,ch3ofrhamnosyl);13cnmr(dmso-d6):177.8(c-4),173.8(c=o),172.2(c=o),165.0(c-7),160.8(c-9),156.8(c-5),151.4(c-2),150.7(c-4’),147.8(c-3’),135.1(tetrahydroisoquinoline),134.2(tetrahydroisoquinoline),133.6(c-3),128.8(tetrahydroisoquinoline),127.0(tetrahydroisoquinoline),126.8(tetrahydroisoquinoline),126.6(tetrahydroisoquinoline),123.7(c-1’),122.6(c-6’),115.4(c-5’),114.9(c-2’),105.3(c-10),101.9(c-1”),101.2(c-1”’),98.7(c-6),93.3(c-8),76.5(c-3”),76.1(c-5”),74.3(c-2”),72.0(c-4”’),70.8(c-3”’),70.7(c-2”’),70.6(c-4”),70.5(c-a),70.4(c-a),68.6(c-5”’),67.5(c-6”),67.4(c-a),62.9(c-b),59.8(c-b),59.6(c-b),47.1(tetrahydroisoquinoline),44.0(tetrahydroisoquinoline),43.2(tetrahydroisoquinoline),33.9((ch2)n),33.2((ch2)n),32.9((ch2)n),31.1((ch2)n),29.2((ch2)n),29.0((ch2)n),28.8((ch2)n),28.2((ch2)n),25.1((ch2)n),24.7((ch2)n),17.9(c-6”’);ir(kbr):3369cm-1(oh),1732cm-1(o=c-o),1653cm-1(o=c-n),1456cm-1(c-n);esi-ms(m/z):1092.8(m+na)+.

实施例2-3

在50ml锥形瓶中称取曲克芦丁140mg(0.18mmol),已二酸二乙烯酯172mg(0.75mmol),10ml吡啶为溶剂,加入枯草杆菌蛋白酶120mg后,放入55℃恒温振荡器中反应,转速250rev·min-1。反应96h结束后,过滤除去酶,减压蒸出吡啶。柱色谱分离纯化,洗脱剂为乙酸乙酯/甲醇/水(15:3.6:0.5v/v),得到黄色固体曲克芦丁己二酰乙烯酯96.8mg(0.108mmol),产率60%。

yellowpowder,rf0.32;1h-nmr(dmso-d6),δ(ppm):12.49(s,1h,oh5),7.84(s,1h,h2’),7.73(d,1h,j=7.2hz,h6’),7.20(dd,1h,j=6.24hz,j=14.0hz,-och=),7.14(d,1h,j=7.6hz,h5’),6.73(s,1h,h8),6.38(s,1h,h6),5.34(d,1h,j=7.3hz,h1”),4.89(m,1h,och=ch2),4.64(m,1h,och=ch2),4.40(m,3h,2hofaacylated,1hofbacylated),4.31(m,1h,h1”’),4.26(m,1h,hofbacylated),4.12-4.06(m,4h,hofa),3.74(m,4h,hofb),3.7-3.1(10h,hofrhamnoglucosyl),2.44(m,2h,-ch2-cooch=ch2),2.38(m,2h,-ch2-co-troxerutin),1.58(m,4h,otherch2ofhexanedioylpart),0.99(d,3h,j=6.2hz,ch3ofrhamnosyl);ir(kbr,cm-1):3412(oh),1726(c=o),1648(c=c);esi-ms(m/z):919.1(m+na)+.

在50ml锥形瓶中加入曲克芦丁已二酰乙烯酯193mg(0.22mmol)、6,7-二甲氧基-1,2,3,4-四氢异喹啉424.8mg(2.20mmol),[opy]bf420ml,60℃空气浴振荡器中、150rpm恒温振荡,反应24h。乙酸乙酯萃取,减压旋蒸,除去大部分有机溶剂,柱层析分离得到产品,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v)。得到含双二甲氧基四氢异喹啉的曲克芦丁酰胺衍生物。淡黄色固体产物165.5mg,产率为72%。

yellowsolid,rf=0.15,1hnmr(400mhz,dmso-d6+d2o,δppm):7.82-7.84(m,1h,h2’),7.66-7.72(m,1h,h6’),7.09-7.12(m,1h,h5’),6.67-6.71(m,3h,1hofh8,2hoftetrahydroisoquinoline),6.35(s,1h,h6),5.32-5.37(m,1h,h1”),4.43-4.47(m,2h,hoftetrahydroisoquinoline),4.32-4.37(m,3h,2hofaacylated,1hofbacylated),4.23-4.28(m,2h,1hofh1”’,1hofbacylated),4.02-4.08(m,4h,hofa),3.72-3.73(m,4h,hofb),3.65-3.66(m,6h,hoftetrahydroisoquinoline-och3),3.53-3.57(m,2h,hoftetrahydroisoquinoline),3.00-3.66(m,10h,hofrhamnoglucosyl),2.60-2.68(m,2h,hoftetrahydroisoquinoline),2.29-2.38(m,4h,2hofch2co-troxerutin,2hofch2co-tetrahydroisoquinoline),1.43-1.58(m,4h,otherch2ofhexanadioylpart),0.90-0.91(d,j=6.0hz,3h,ch3ofrhamnosyl);13cnmr(dmso-d6):177.9(c-4),173.4(c=o),171.2(c=o),165.1(c-7),161.3(c-9),156.9(c-5),151.5(c-2),150.8(c-4’),148.1(tetrahydroisoquinoline),147.7(tetrahydroisoquinoline),147.5(c-3’),134.2(c-3),126.9(tetrahydroisoquinoline),125.8(tetrahydroisoquinoline),123.4(c-1’),122.8(c-6’),115.5(c-5’),113.8(c-2’),112.2(tetrahydroisoquinoline),110.4(tetrahydroisoquinoline),105.5(c-10),101.9(c-1”),101.4(c-1”’),98.9(c-6),93.3(c-8),76.8(c-3”),76.4(c-5”),74.6(c-2”),72.2(c-4”’),71.1(c-3”’),70.9(c-2”’),70.8(c-4”),70.8(c-a),70.6(c-a),68.7(c-5”’),67.4(c-6”),67.2(c-a),62.8(c-b),60.0(c-b),59.8(c-b),55.9(-och3),46.6(tetrahydroisoquinoline),43.7(tetrahydroisoquinoline),43.1(tetrahydroisoquinoline),33.7((ch2)n),32.5((ch2)n),28.8((ch2)n),27.9((ch2)n),18.1(c-6”’);ir(kbr):3367cm-1(oh),1732cm-1(o=c-o),1653cm-1(o=c-n),1452cm-1(c-n);esi-ms(m/z):1069(m+na)+.

实施例2-4

在50ml锥形瓶中称取曲克芦丁282mg(0.38mmol),癸二酸二乙烯酯378mg(1.5mmol),10ml吡啶作溶剂,加入枯草杆菌蛋白酶300mg后,放入60℃恒温振荡器中反应,转速250rev·min-1。反应120h结束后,过滤除去酶,减压蒸出吡啶。纯化同上。得到黄色固体曲克芦丁癸二酰乙烯酯200mg(0.21mmol),产率55%。

1h-nmr(dmso-d6),δ(ppm):12.49(s,1h,oh5),7.84(s,1h,h2’),7.72(d,1h,j=7.0hz,h6’),7.20(dd,1h,j=6.21hz,j=14.0hz,-och=),7.14(d,1h,j=7.4hz,h5’),6.73(s,1h,h8),6.38(s,1h,h6),5.34(d,1h,j=7.3hz,h1”),4.89(m,1h,och=ch2),4.63(m,1h,och=ch2),4.39(m,3h,2hofaacylated,1hofbacylated),4.31(m,1h,h1”’),4.26(m,1h,hofbacylated),4.12-4.06(m,4h,hofa),3.74(m,4h,hofb),3.7-3.1(10h,hofrhamnoglucosyl),2.40(t,2h,j=7.2hz,-ch2-cooch=ch2),2.33(t,2h,j=6.9hz,-ch2-co-troxerutin),1.58,1.22(m,12h,otherch2ofdecanedioylpart),0.99(d,3h,j=6.2hz,ch3ofrhamnosyl);ir(kbr,cm-1):3410(oh),1728(c=o),1649(c=c);esi-ms(m/z):975.2(m+na)+.

在50ml锥形瓶中加入曲克芦丁癸二酰乙烯酯209mg(0.22mmol)、6,7-二甲氧基-1,2,3,4-四氢异喹啉424.8mg(2.20mmol),[bpy]cl(n-正丁基吡啶氯盐)20ml,70℃空气浴振荡器中、150rpm恒温振荡,反应36h。乙酸乙酯萃取,减压旋蒸,除去大部分有机溶剂,柱层析分离得到产品,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v)。淡黄色固体产物181.3mg,产率为75%。

yellowsolid,rf=0.2,1hnmr(400mhz,dmso-d6+d2o,δppm):7.83(s,1h,h2’),7.67-7.74(m,1h,h6’),7.09-7.13(s,1h,h5’),6.68-6.73(m,3h,1hofh8,2hoftetrahydroisoquinoline),6.35(s,1h,h6),5.32-5.38(m,1h,h1”),4.43-4.48(m,2h,hoftetrahydroisoquinolined),4.35-4.37(m,3h,2hofaacylated,1hofbacylated),4.24-4.28(m,2h,1hofh1”’,1hofbacylated),4.03-4.08(m,4h,hofa),3.71-3.73(m,4h,hofb),3.67-3.68(m,6h,hoftetrahydroisoquinoline-och3),3.53-3.58(m,2h,hoftetrahydroisoquinoline),3.01-3.68(m,10h,hofrhamnoglucosyl),2.61-2.70(m,2h,hoftetrahydroisoquinoline),2.26-2.33(m,4h,2hofch2co-troxerutin,2hofch2co-tetrahydroisoquinoline),1.12-1.46(m,12h,otherch2ofdecanedioylpart),0.91-0.92(d,j=6.0hz,3h,ch3ofrhamnosyl);13cnmr(dmso-d6):177.9(c-4),173.4(c=o),171.5(c=o),165.1(c-7),161.3(c-9),156.9(c-5),151.5(c-2),150.8(c-4’),147.8(tetrahydroisoquinoline),147.7(tetrahydroisoquinoline),147.5(c-3’),134.3(c-3),126.9(tetrahydroisoquinoline),125.8(tetrahydroisoquinoline),123.7(c-1’),123.0(c-6’),115.5(c-5’),113.5(c-2’),112.2(tetrahydroisoquinoline),110.4(tetrahydroisoquinoline),105.5(c-10),101.9(c-1”),101.3(c-1”’),98.9(c-6),93.3(c-8),76.9(c-3”),76.4(c-5”),74.6(c-2”),72.2(c-4”’),71.1(c-3”’),70.9(c-2”’),70.8(c-4”),70.6(c-a),70.6(c-a),68.7(c-5”’),67.5(c-6”),67.2(c-a),62.8(c-b),60.0(c-b),59.8(c-b),56.0(-och3),46.7(tetrahydroisoquinoline),43.7(tetrahydroisoquinoline),43.2(tetrahydroisoquinoline),33.9((ch2)n),32.9((ch2)n),29.2((ch2)n),29.1((ch2)n),28.9((ch2)n),27.9((ch2)n),25.2((ch2)n),24.9((ch2)n),18.1(c-6”’);ir(kbr):3369cm-1(oh),1730cm-1(o=c-o),1653cm-1(o=c-n),1452cm-1(c-n);esi-ms(m/z):1125(m+na)+.

实施例2-5

在50ml锥形瓶中加入曲克芦丁戊二酰乙烯酯190mg(0.22mmol)、6-甲氧基-1,2,3,4-四氢异喹啉359mg(2.20mmol),[toma][tf2n](n-己基吡啶双三氟甲磺酰亚胺盐)20ml,60℃空气浴振荡器中、150rpm恒温振荡,反应30h。乙酸乙酯萃取,萃取液浓缩后,柱层析分离得到产品,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v),得到含甲氧基四氢异喹啉的曲克芦丁酰胺衍生物。淡黄色固体产物155mg,产率为71%。

yellowsolid,rf=0.13,1hnmr(400mhz,dmso-d6+d2o,δppm):1hnmr(400mhz,dmso-d6,δppm):7.81-7.83(m,1h,h2’),7.65-7.71(m,1h,h6’),7.00-7.10(m,2h,1hofh5’,1hoftetrahydroisoquinoline),6.61-6.74(m,3h,1hofh8,2hoftetrahydroisoquinoline),6.34(s,1h,h6),5.32-5.38(m,1h,h1”),4.41-4.54(m,2h,hoftetrahydroisoquinoline),4.31-4.41(m,3h,2hofaacylated,1hofbacylated),4.23-4.28(m,2h,1hofh1”’,1hofbacylated),3.99-4.13(m,4h,hofa),3.68-3.82(m,4h,hofb),3.59-3.68(m,3h,hoftetrahydroisoquinoline-och3),3.48-3.59(m,2h,hoftetrahydroisoquinoline),2.96-3.73(m,10h,hofrhamnoglucosyl),2.66-2.76(m,2h,hoftetrahydroisoquinoline),2.25-2.45(m,4h,2hofch2co-troxerutin,2hofch2co-tetrahydroisoquinoline),1.66-1.86(m,2h,otherch2ofglutarylpart),0.90(s,3h,ch3ofrhamnosyl);13cnmr(dmso-d6):177.9(c-4),173.3(c=o),170.9(c=o),165.1(c-7),161.3(c-9),158.1(tetrahydroisoquinoline),156.9(c-5),151.5(c-2),150.8(c-4’),147.5(c-3’),136.3(tetrahydroisoquinoline),134.2(c-3),127.9(tetrahydroisoquinoline),126.1(tetrahydroisoquinoline),123.4(c-1’),122.8(c-6’),115.4(c-5’),113.7(c-2’),113.4(tetrahydroisoquinoline),112.9(tetrahydroisoquinoline),105.5(c-10),101.9(c-1”),101.3(c-1”’),98.8(c-6),93.3(c-8),76.8(c-3”),76.4(c-5”),74.6(c-2”),72.2(c-4”’),71.1(c-3”’),71.0(c-2”’),70.8(c-4”),70.6(c-a),70.6(c-a),68.7(c-5”’),67.4(c-6”),67.2(c-a),62.8(c-b),60.0(c-b),59.7(c-b),55.4(-och3),46.2(tetrahydroisoquinoline),43.4(tetrahydroisoquinoline),42.8(tetrahydroisoquinoline),33.3((ch2)n),32.0((ch2)n),29.5((ch2)n),18.2(c-6”’);ir(kbr):3367cm-1(oh),1728cm-1(o=c-o),1653cm-1(o=c-n),1455cm-1(c-n);esi-ms(m/z):1024.8(m+na)+.

实施例2-6

在50ml锥形瓶中加入曲克芦丁壬二酰乙烯酯202.8mg(0.22mmol)、6-甲氧基-1,2,3,4-四氢异喹啉359mg(2.20mmol),[hpy]bf4(n-正己基吡啶四氟硼酸盐)20ml,60℃空气浴振荡器中、150rpm恒温振荡,反应36h。乙酸乙酯萃取,萃取液浓缩后,柱层析分离得到产品,洗脱剂为乙酸乙酯/甲醇/水(20/3/1,v/v)。淡黄色固体产物170mg,产率为73%。

yellowsolid,rf=0.18,1hnmr(400mhz,dmso-d6+d2o,δppm):1hnmr(400mhz,dmso-d6,δppm):7.82(s,1h,h2’),7.64-7.71(m,1h,h6’),6.99-7.09(m,2h,1hofh5’,1hoftetrahydroisoquinoline),6.64-6.71(m,3h,1hofh8,2hoftetrahydroisoquinoline),6.33(s,1h,h6),5.30-5.35(m,1h,h1”),4.41-4.45(m,2h,hoftetrahydroisoquinoline),4.32-4.40(m,3h,2hofaacylated,1hofbacylated),4.20-4.29(m,2h,1hofh1”’,1hofbacylated),4.04-4.10(m,4h,hofa),3.68-3.80(m,4h,hofb),3.62-3.68(m,3h,hoftetrahydroisoquinoline-och3),3.48-3.59(m,2h,hoftetrahydroisoquinoline),2.99-3.66(m,10h,hofrhamnoglucosyl),2.62-2.77(m,2h,hoftetrahydroisoquinoline),2.22-2.26(m,4h,2hofch2co-troxerutin,2hofch2co-tetrahydroisoquinoline),1.02-1.52(m,10h,otherch2ofazelaoylpart),0.89-0.91(d,j=5.9hz,3h,ch3ofrhamnosyl);13cnmr(dmso-d6):177.9(c-4),173.4(c=o),171.5(c=o),165.1(c-7),161.3(c-9),158.1(tetrahydroisoquinoline),156.9(c-5),151.5(c-2),150.8(c-4’),147.5(c-3’),136.3(tetrahydroisoquinoline),134.2(c-3),127.8(tetrahydroisoquinoline),126.2(tetrahydroisoquinoline),123.7(c-1’),122.8(c-6’),115.4(c-5’),113.5(c-2’),113.5(tetrahydroisoquinoline),112.9(tetrahydroisoquinoline),105.5(c-10),101.9(c-1”),101.3(c-1”’),98.8(c-6),93.3(c-8),76.8(c-3”),76.4(c-5”),74.6(c-2”),72.2(c-4”’),71.1(c-3”’),70.9(c-2”’),70.8(c-4”),70.6(c-a),70.6(c-a),68.7(c-5”’),67.4(c-6”),67.2(c-a),62.8(c-b),60.0(c-b),59.8(c-b),55.4(-och3),46.4(tetrahydroisoquinoline),43.4(tetrahydroisoquinoline),42.9(tetrahydroisoquinoline),33.8((ch2)n),32.9((ch2)n),29.6((ch2)n),29.0((ch2)n),28.8((ch2)n),25.2((ch2)n),24.8((ch2)n),18.2(c-6”’);ir(kbr):3369cm-1(oh),1730cm-1(o=c-o),1655cm-1(o=c-n),1452cm-1(c-n);esi-ms(m/z):1080.8(m+na)+.

生物活性测试:采用mtt法测定了曲克芦丁及化合物(ⅰ)和(ⅱ)对ht-29(人结肠癌细胞),mcf-7(人乳腺癌细胞)的细胞毒活性。

部分测试结果如下表:

以上数据显示了化合物(ⅰ)和(ⅱ)对ht-29、mcf-7有明显的抑制作用,优于曲克芦丁,可将其作为抗结肠癌和乳腺癌潜在药物开发。

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