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黄酮类化合物及其合成方法和用途与流程

2022-02-21 04:04:35 来源:中国专利 TAG:


1.本发明属于医药技术领域,具体是天然产物之衍生物的合成及其在抗癌方面的应用。


背景技术:

2.黄酮类化合物是一类具有15个碳原子组成的天然有机化合物(c
6-c
3-c6),骨架中含两个苯环,两个苯环由一个c3部分桥连,c3部分可以是脂肪链,也可以与c6部分形成五元或六元氧杂环。黄酮类化合物广泛存在食物和药物中,是许多天然药用植物中的主要活性成分之一,具有广泛的生物活性,如抗炎、抗氧化、抗肿瘤、保护心血管、抗菌、降血糖等药理作用。黄酮类化合物不仅结构多样,而且不同类型的化合物表现出不同的生物活性和功能。
3.据报道,全国每年产生柑橘类皮渣1000多万吨,约含类黄酮1万吨,其中二氢黄酮类化合物橙皮苷、橙皮素含量较高,分别约为2.9%和1.0%,其具有抗炎、抗氧化、抗肿瘤、保护心血管、免疫调节等多种生物活性。然而,橙皮苷、橙皮素因水溶性较差,生物利用度低等缺点,使其不能发挥其药理作用,限制了开发其潜在的药用价值。在对天然黄酮类化合物的研究开发利用过程中,将分布广泛、含量较高、活性低的天然黄酮类化合物半合成为含量较低、生理活性更强的黄酮类化合物、药物或先导化合物,是一种对天然黄酮类化合物资源的合理利用,同时,具有合成步骤少、生产成本低的优点,对黄酮类化合物工业上的开发具有重要意义。
4.乳腺癌是女性最常见的恶性肿瘤之一,其发病率在女性恶行肿瘤中居于前列。根据受体类型不同,乳腺癌可分为四种亚型:luminal a、luminal b、her2过表达以及三阴型。其中,三阴型乳腺癌(tnbc)是缺乏雌激素受体(er),孕激素受体(pr)和人表皮生长因子受体2(her2)的表达,占所有乳腺癌类型的15%~20%。但是因其恶性程度高、侵袭力强、易复发、易转移、预后差,其被认为是乳腺癌中最凶险的类型。因此发掘具有抗三阴性乳腺癌活性的药物,并寻找相应的作用靶点具有重要的研究意义。黄酮类化合物具有广泛的生物活性,其中抗肿瘤活性有较多报道,有可能成为抗三阴型乳腺癌药物或先导化合物。
5.本发明以橙皮素为原料半合成其衍生物,并进行体外抗人三阴性乳腺癌活性实验。


技术实现要素:

6.本发明的目的是探索以橙皮素为原料半合成其衍生物,探寻有可能成为抗三阴型乳腺癌药物或先导化合物。
7.本发明解决上述技术问题的技术方案如下:
8.以橙皮素为原料,经选择性甲基化、氧化、苄基化等反应步骤共合成了苄基保护黄酮醇苷元(合成路线图如附图1所示),然后在dmf/k2co3条件下,与全乙酰化溴代糖进行糖苷缩合反应,最后通过脱苄基与乙酰基反应合成黄酮苷(合成路线图如附图2所示)。共合成了32个黄酮化合物,包括14个黄酮苷元和18个黄酮苷,其中有15个已知化合物和17个新化合
物(结构如表1所示)。
9.溴代-2,3,4,6-四-o-乙酰基-α-d-葡萄糖1p、溴代-2,3,4,6-四-o-乙酰基-α-d-半乳糖1s的制备方法:先将葡萄糖或半乳糖的羟基全部乙酰化,再在红磷和溴的条件下,将乙酰基糖的异头碳溴化的一锅法合成(合成路线如附图3与附图4所示)。
10.表1中间体与目标化合物(标有*为未见报道的化合物)
11.12.13.14.15.16.17.18.附图说明
19.图1为黄酮苷元的合成路线图
20.图2为黄酮苷的合成路线图
21.图3为溴代-2,3,4,6-四-o-乙酰基-α-d-葡萄糖的合成路线图
22.图4为溴代-2,3,4,6-四-o-乙酰基-α-d-半乳糖的合成路线图
具体实施方式
23.下面结合实施例对本发明作进一步描述。
24.实施例1
25.化合物1a的合成
26.橙皮素(3.5g,11.6mmol)溶于350ml干燥无水丙酮中,再加入无水碳酸钾(1.6g,11.6mol),加热回流搅拌1.5h后缓慢滴加碘甲烷(1.0ml,15.4mmol),加热回流17h,滤除无水碳酸钾,蒸去丙酮,得黄色粉末粗品3.8g,经硅胶柱层析(环己烷/乙酸乙酯=2∶1,体积比,其余同),得黄色针晶固体1a(2.75g,产率75.5%)和化合物2a(206mg,产率5.6%)。
27.化合物1a:m.p.161~162℃;1h-nmr(dmso-d6,600mhz)δ:12.10(s,1h,5-oh),9.10(s,1h,3
′-
oh),6.93(d,j=6.0,1h,h-5

),6.92(s,1h,h-2

),6.86(dd,j=8.4,1.8hz,1h,h-6

),6.10(d,j=1.8hz,1h,h-6),6.07(d,j=2.4hz,1h,h-8),5.48(dd,j=12.6,3.0hz,1h,h-2),3.78(s,3h,7-och3),3.76(s,3h,4
′-
och3),3.24(dd,j=16.2,12.0hz,1h,h-3b),2.72(dd,j=17.4,3.0hz,1h,h-3a)。
13
c-nmr(dmso-d6,150mhz)δ:196.8(c-4),167.4(c-7),163.2(c-5),162.7(c-9),147.9(c-4),146.5(c-3),131.0(c-1

),117.7(c-6

),114.1(c-5

),111.9(c-2

),102.6(c-10),94.6(c-6),93.8(c-8),78.4(c-2),55.9(7-och3),55.7(4
′-
och3),42.1(c-3);esi-ms m/z:315[m-h]-,317[m h]


[0028]
化合物2a:m.p.163~164℃;1h-nmr(dmso-d6,600mhz)δ:12.09(s,1h,5-oh),7.11(d,j=1.8hz,1h,h-5

),7.01(dd,j=7.8,1.8hz,1h,h-2

),6.95(d,j=7.8hz,1h,h-6

),6.10(d,j=1.8hz,1h,h-6),6.06(d,j=2.4hz,1h,h-8),5.51(dd,j=12.6,3.0hz,1h,h-2),3.76(s,3h,7-och3),3.74(s,3h,4-och3),3.73(s,3h,4
′-
och3),3.36(t,j=17.4hz,1h,h-3b),2.74(dd,j=17.4,3.0hz,1h,h-3a)。
13
c-nmr(dmso-d6,150mhz)δ:196.9(c-4),167.5(7-c),163.2(c-5),162.8(c-9),149.1(c-4),148.7(c-3),130.8(c-1

),119.3(c-6

),
111.5(c-5

),110.6(c-2

),102.6(c-10),94.7(c-6),93.9(c-8),78.7(2-c),56.0(4
′-
och3),55.6(2c,7,3
′-
och3),42.2(3-c);esi-ms m/z:329[m-h]-,331[m h]


[0029]
实施例2
[0030]
化合物1b的合成
[0031]
化合物1a(2.5g,7.9mmol)溶于40ml干燥吡啶中,再加入碘单质(2.4g,7.5mmol),90℃条件下反应,tlc跟踪反应进程,原料点消失停止反应,冷却至室温后,在剧烈搅拌下缓慢加入冰水,析出棕黑色固体,抽滤,滤饼用3%稀盐酸洗至无吡啶味,再用饱和硫代硫酸钠除去未反应的碘单质,烘干得黄色粗品,无水乙醇重结晶得黄色针晶2.0g,产率93.9%。m.p.162~163℃;1h-nmr(dmso-d6,600mhz)δ:12.92(s,1h,5-oh),9.44(s,1h,3
′-
oh),7.56(dd,j=8.4,2.4hz,1h,h-6

),7.45(d,j=2.4hz,1h,h-2

),7.09(d,j=8.4hz,1h,h-5

),6.81(s,1h,3-h),6.75(d,j=1.8hz,1h,h-8),6.37(d,1h,j=2.4hz,h-6),3.86(s,6h,7,4
′-
och3)。
13
c-nmr(dmso-d6,150mhz)δ:181.9(c-4),165.2(c-2),163.9(c-7),161.2(c-5),157.3(c-9),151.3(c-4

),146.8(c-3

),122.9(c-1

),118.8(c-6

),113.1(c-2

),112.1(c-5

),104.7(c-10),103.7(c-3),98.0(c-6),92.7(c-8),56.1(4
′-
och3),55.8(7-och3);esi-ms m/z:313[m-h]-,315[m h]


[0032]
实施例3
[0033]
化合物1c的合成
[0034]
橙皮素(5.0g,15.8mmol)溶于80ml干燥吡啶中,再加碘单质(4.8g,15mmol),90℃条件下反应,tlc跟踪反应进程,原料点消失停止反应,冷却到室温后,在剧烈搅拌下缓慢加入冰水,析出棕黑色固体,抽滤,滤饼用3%稀盐酸洗至无吡啶味,再用饱和硫代硫酸钠除去未反应的碘单质,烘干得黄色粗品,无水乙醇重结晶得黄色粉末4.5g,产率90.5%。m.p.254~255℃;1h-nmr(dmso-d6,600mhz)δ:12.73(s,1h,5-oh)7.46(s,1h,h-2

),7.23(d,j=8.4hz,1h,6
′-
h),6.92(d,j=8.4hz,1h,h-5

),6.30(s,1h,h-3),5.92(s,1h,h-8),5.55(s,1h,h-6),3.79(3h,s,4
′-
och3)。
13
c-nmr(dmso-d6,150mhz)δ:179.1(c-4),177.4(c-2),161.1(c-7),161.0(c-5),158.3(c-9),150.7(c-4

),149.2(c-3

),124.0(c-1

),115.7(c-6

),112.7(c-2

),112.0(c-5

),102.7(c-10),102.1(c-3),98.7(c-6),96.7(c-8),55.5(4
′-
och3);esi-ms m/z:299[m-h]-,301[m h]


[0035]
实施例4
[0036]
化合物1d的合成
[0037]
第一种合成路径:
[0038]
化合物1c(2.0g,6.67mmol)溶于350ml干燥无水丙酮中,再加入无水碳酸钾(2.0g,14.5mol),加热回流搅拌1.5h后缓慢滴加碘甲烷(1.3ml,20.0mmol),加热回流17h,滤除无水碳酸钾,蒸去丙酮,得黄色粉末粗品2.5g,过硅胶柱层析(环己烷/乙酸乙酯=2∶1),得黄色粉末1.9g,产率87%。
[0039]
第二种合成路径:
[0040]
化合物2a(200mg,0.6mmol)溶于5ml干燥吡啶中,再加入碘单质(200mg,0.62mmol),90℃条件下反应,tlc跟踪反应进程,原料点消失停止反应,冷却到室温后在剧烈搅拌下缓慢加入冰水,析出棕黑色固体,抽滤,滤饼用3%稀盐酸洗至无吡啶味,再用饱和硫代硫酸钠除去未反应的碘单质,烘干得粗品,无水乙醇重结晶得黄色粉末160mg,产率
84%。m.p.164~165℃;1h-nmr(dmso-d6,600mhz)δ:12.90(s,1h,5-oh),7.72(dd,j=8.4,1.8hz,1h,h-6

),7.58(d,j=1.8hz,1h,h-2

),7.14(d,j=9.0hz,1h,h-5

),7.03(s,1h,h-3),6.81(d,j=2.4hz,1h,h-8),6.38(d,j=1.8hz,1h,h-6),3.89(3h,s,4
′-
och3),3.88(s,3h,3
′-
och3),3.86(s,3h,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:182.0(c-4),165.2(c-2),163.6(c-7),161.1(c-5),157.3(c-9),152.2(c-4

),149.0(c-3

),122.7(c-1

),120.1(c-6

),111.6(c-5

),109.4(c-2

),104.7(c-10),104.0(c-3),98.0(c-6),92.7(c-8),56.1(7-och3),55.9(4
′-
och3),55.7(3
′-
och3);esi-ms m/z:327[m-h]-,329[m h]


[0041]
实施例5
[0042]
化合物1e的合成
[0043]
化合物1b(2.0g,9.3mmol)溶于100ml干燥无水丙酮中,再加入无水碳酸钾(13.0g,94.2mmol),加热回流搅拌1.5h后缓慢滴加溴化苄(2.6ml,20.0mmol),继续回流反应,tlc跟踪反应进程,原料点消失停止反应,冷却至室温,滤除碳酸钾,减压回收溶剂,得黄色粗品,经硅胶柱层析(环己烷/乙酸乙酯=2∶1)得黄色粉末2.1g,产率67.8%。1h-nmr(dmso-d6,600mhz)δ:7.29-7.66(m,12h,5,3
′-
bn-ar,h-2

,h-6

),7.12(d,j=14.4hz,1h,5
′-
h),6.85(d,j=2.4hz,1h,h-8),6.73(s,1h,h-3),6.59(d,j=1.8hz,1h,h-6),5.22(d,j=4.2hz,4h,5,3
′-
bn-ch2),3.88(s,3h,4
′-
och3),3.84(s,3h,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:175.7(c-4),163.5(c-2),159.7(c-7),159.1(c-5),158.9(c-9),151.9(c-4

),148.0(c-3

),126.9-136.9(12c,5,3
′-
o-bn-ar),123.0(c-1

),119.7(c-6

),111.9(c-2

),110.8(c-5

),108.7(c-10),107.1(c-3),97.7(c-6),93.7(c-8),70.2(3
′-
o-bn-ch2),69.8(7-o-bn-ch2),56.0(4
′-
och3),55.8(7-och3);esi-ms m/z:493[m-h]-,495[m h]


[0044]
实施例6
[0045]
化合物1f的合成
[0046]
化合物1d(2.0g,5.89mmol)溶于100ml无水丙酮中,再加入无水碳酸钾(8.0g,58.0mmol),回流搅拌1h后,缓慢滴加溴化苄(1.0ml,7.7mmol),继续加热回流,tlc跟踪反应进程,原料点消失停止反应,冷却至室温,滤除碳酸钾,减压回收溶剂,得黄色粗品,经硅胶柱层析(环己烷/乙酸乙酯=2∶1)得浅黄色粉末1.8g,产率71.8%。1h-nmr(dmso-d6,600mhz)δ:7.66(dd,j=1.8hz,1h,h-6

),7.62(d,j=1.8hz,2h,h-2

,bn-ar),7.31-7.43(m,4h,bn-ar),7.12(d,j=8.4hz,1h,h-5

),6.89(d,j=1.8hz,1h,h-8),6.76(s,1h,h-3),6.61(d,j=2.4hz,1h,6-h),5.24(s,2h,5-bn-ch2),3.90(s,3h,4
′-
och3),3.89(3h,s,3
′-
och3),3.85(3h,s,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:175.7(c-4),163.5(c-2),159.7(c-7),159.1(c-5),158.9(c-9),151.6(c-4

),149.0(c-3

),126.8-136.9(6c,bn-ar-c),123.1(c-1

),119.4(c-6

),111.6(c-2

),109.1(c-5

),108.7(c-10),107.1(c-3),97.7(c-6),93.7(c-8),69.8(bn-ch2),56.0(4
′-
och3),55.9(3
′-
och3),55.7(7-och3);esi-ms m/z:417[m-h]-,419[m h]


[0047]
实施例7
[0048]
化合物1g的合成
[0049]
化合物1c(2.4g,7.9mmol)溶于100ml干燥的丙酮中,再加入无水碳酸钾(11g,80mmol),加热回流搅拌1h后,缓慢滴加溴化苄(3.3ml,25mmol),继续搅拌回流反应,tlc跟踪反应进程,原料点消失停止反应,冷却至室温,滤除碳酸钾,蒸去丙酮,得黄色粗品,经硅
胶柱层析(环己烷/乙酸乙酯=2∶1)得黄色固体3.0g,产率65%。m.p.153~154℃;1h-nmr(dmso-d6,600mhz)δ:7.31-7.66(m,17h,5,7,3
′-
bn-ar,h-2

,h-6

),7.16(d,j=9.6hz,1h,h-5

),7.00(d,j=1.8hz,1h,h-8),6.75(s,1h,h-3),6.71(d,j=1.8hz,1h,h-6),5.26(s,2h,3
′-
o-bn-ch2),5.25(s,2h,7-o-bn-ch2),5.24(s,2h,5-o-bn-ch2),3.87(s,3h,4
′-
och3)。
13
c-nmr(dmso-d6,150mhz)δ:175.6(c-4),162.5(c-2),159.6(c-7),159.0(2c,c-5,c-9),151.9(c-4

),148.0(c-3

),123.6-136.8(18c,bn-ar-c),123.0(c-1

),119.7(c-6

),112.0(c-2

),110.8(c-5

),108.8(c-10),107.1(c-3),94.6(c-6),91.1(c-8),70.2(3
′-
o-bn-ch2),70.0(7-o-bn-ch2),69.8(5-o-bn-ch2),55.8(4
′-
och3);esi-ms m/z:569[m-h]-,571[m h]


[0050]
实施例8
[0051]
化合物1h的合成
[0052]
化合物1e(1.6g,3.2mmol)溶于140ml二氯甲烷/丙酮(v/v=4∶3)混合溶剂中,加200ml na2co3/nahco3缓冲溶液(na2co38.0g,nahco33.8g),在室温下剧烈搅拌,并用恒压漏斗缓慢滴加过硫酸氢钾复合盐溶液(12g,140ml),6h滴完,反应21h后,再缓慢滴加140ml过硫酸氢钾复合盐溶液(12g,140ml),约6h滴完,tlc监控至原料点消失,停止反应,静置分离有机相,水相用二氯甲烷(100ml
×
2)萃取,合并有机相,分别用饱和硫代硫酸钠(100ml
×
2)和饱和食盐水(100ml
×
2)洗涤有机相,无水硫酸钠干燥有机相,过滤,滤液中加入6mg对甲苯磺酸,继续在室温下反应2h,蒸干溶剂,得棕色粗品,二氯甲烷/甲醇重结晶得黄色粉末1.0g,产率62.0%。1h-nmr(dmso-d6,600mhz)δ:9.16(s,1h,3-oh),7.31-7.87(m,12h,5,3
′-
o-bn-ar,h-2

,h-6

),7.15(d,j=9.0hz,1h,h-5

),6.84(d,j=1.8hz,1h,h-8),6.61(d,j=2.4hz,1h,h-6),5.26(s,2h,3
′-
o-bn-ch2),5.18(s,2h,5-o-bn-ch2),3.93(s,3h,4
′-
och3),3.86(s,3h,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:171.2(c-4),163.6(c-2),158.8(c-7),158.0(c-5),150.3(c-9),147.5(c-4

),141.6(c-3

),138.2(c-3),126.6-136.9(12c,5,3
′-
o-bn-ar),123.5(c-1

),121.2(c-6

),112.3(c-2

),111.8(c-5

),106.6(c-10),96.8(c-6),93.1(c-8),70.3(3
′-
o-bn-ch2),69.8(5-o-bn-ch2),56.0(4
′-
och3),55.6(7-och3);esi-ms m/z:509[m-h]-,511[m h]


[0053]
实施例9
[0054]
化合物1i的合成
[0055]
化合物1f(1.5g,3.5mmol)溶于140ml二氯甲烷/丙酮(v/v=4∶3)混合溶剂中,加200ml na2co3/nahco3缓冲溶液(8.0g na2co3,3.8g nahco3,200ml h2o),在室温下剧烈搅拌,并用恒压漏斗缓慢滴加140ml过硫酸氢钾复合盐溶液(12g,140ml h2o),约6h滴完,反应过夜后,再缓慢滴加140ml过硫酸氢钾复合盐溶液(12g,140ml h2o),约2h滴完,原料点消失,停止反应,静置分离有机相,水相用二氯甲烷(100ml
×
2)萃取,合并有机相,分别用饱和硫代硫酸钠(100ml
×
2)和饱和食盐水(100ml
×
2)洗涤有机相,无水硫酸钠干燥有机相,过滤,滤液中加入5mg对甲苯磺酸,在室温下反应2h,蒸干溶剂,得棕色固体,二氯甲烷/甲醇重结晶得黄色粉末0.97g,产率60.4%。1h-nmr(dmso-d6,600mhz)δ:9.14(1h,s,3-oh),7.84(dd,j=8.4,1.8hz,1h,h-6

),7.78(d,j=1.8hz,1h,h-2

),7.70(d,j=2.8hz,2h,5-o-bn-ar),7.42(t,j=15.6hz,2h,5-o-bn-ar),7.33(t,j=15.0hz,1h,5-o-bn-ar),7.147.70(d,j=9.0hz,1h,h-5

),6.88(d,j=1.8hz,1h,h-8),6.61(d,j=1.8hz,1h,h-6),5.26(s,2h,
5-o-bn-ch2),3.91(s,3h,4
′-
och3),3.85(s,3h,3
′-
och3),3.84(3h,s,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:171.2(c-4),163.6(c-2),158.8(c-7),158.0(c-5),149.9(c-9),148.4(c-4

),141.8(c-3

),138.1(c-3),126.6-136.9(6c,5-o-bn-ar),123.6(c-1

),120.8(c-6

),111.5(c-2

),110.5(c-5

),106.6(c-10),96.8(c-6),93.1(c-8),69.8(5-o-bn-ch2),56.0(7-och3),55.7(4
′-
och3),55.6(3
′-
och3),;esi-ms m/z:433[m-h]-,435[m h]


[0056]
实施例10
[0057]
化合物1j的合成
[0058]
化合物1g(2.0g,3.5mmol)溶于140ml二氯甲烷/丙酮(v/v=4∶3)混合溶剂中,加200ml na2co3/nahco3缓冲溶液(8.0g na2co3,3.8g nahco3,200ml h2o),在室温下剧烈搅拌,并用恒压漏斗缓慢滴加140ml过硫酸氢钾复合盐溶液(12g,140ml h2o),约6h滴完,反应12h后,再缓慢滴加140ml过硫酸氢钾复合盐溶液(12g,140ml h2o),约6h滴完,原料点消失,停止反应,静置分离有机相,水相用二氯甲烷(100ml
×
2)萃取,合并有机相,分别用饱和硫代硫酸钠(100ml)和饱和食盐水(100ml)洗涤有机相,无水硫酸钠干燥有机相,过滤,滤液中加入5mg对甲苯磺酸,在室温下反应2h,蒸干溶剂,得棕色油状物,无水乙醇重结晶的黄色粉末1.2g,产率58.5%。m.p.159~160℃;1h-nmr(dmso-d6,600mhz)δ:9.16(s,1h,3-oh),7.85(s,1h,h-2

),7.30-7.68(m,16h,7,5,3
′-
o-bn-ar,h-6

),7.16(d,j=8.4hz,1h,h-5

),6.96(s,1h,h-8),6.70(d,j=1.8hz,1h,h-6),5.25(s,4h,7,3
′-
o-bn-ch2),5.16(s,2h,5-o-bn-ch2),3.84(s,3h,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:171.2(c-4),162.7(c-2),158.9(c-7),157.9(c-5),150.3(c-9),147.5(c-4

),141.7(c-3

),138.2(c-3),126.6-136.9(18c,5,7,3
′-
o-bn-ar-c),123.5(c-1

),121.2(c-6

),112.2(c-2

),111.9(c-5

),106.7(c-10),97.3(c-6),94.0(c-8),70.3(3
′-
o-bn-ch2),70.1(7-o-bn-ch2),69.8(5-o-bn-ch2),55.7(4
′-
och3),;esi-ms m/z:585[m-h]-,587[m h]


[0059]
实施例11
[0060]
化合物1k的合成
[0061]
化合物1h(51mg,0.1mmol)溶于10ml甲醇/四氢呋喃(v/v=1∶1)混合溶剂中,加入10%pd/c(90mg),在常温常压氢气氛围中共反应了24h,过滤除去pd/c,浓缩回收溶剂得黄色粉末25mg,产率78%。1h-nmr(dmso-d6,600mhz)δ:12.44(s,1h,5-oh),9.55(br s,1h,3-oh),9.32(s,1h,3
′-
oh),7.71(d,j=2.4h,1h,h-2

),7.68(dd,j=8.4,1.8hz,1h,h-6

),7.08(d,j=8.4hz,1h,h-5

),6.71(d,j=1.8hz,1h,h-8),6.34(d,j=2.4hz,1h,h-6),3.85(s,3h,4
′-
och3),3.84(s,3h,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:176.1(c-4),165.0(c-2),160.4(c-7),156.1(c-5),149.4(c-9),146.8(c-4

),146.2(c-3

),136.5(3-c),123.4(c-1

),119.8(c-6

),114.7(c-2

),111.8(c-5

),104.1(c-10),97.5(c-6),91.9(c-8),56.0(4
′-
och3),55.6(7-och3);esi-ms m/z:329[m-h]-,331[m h]


[0062]
实施例12
[0063]
化合物1l的合成
[0064]
化合物1i(50mg,0.12mmol)溶于10ml甲醇/四氢呋喃(v/v=1∶1)混合溶剂中,加入10%pd/c(90mg),在常温常压氢气氛围中共反应了24h,过滤除去pd/c,浓缩回收溶剂得黄色粉末34mg,产率85%。1h-nmr(dmso-d6,600mhz)δ:12.40(s,1h,5-oh),9.64(s,1h,3-oh),
7.84(d,j=8.4hz,1h,h-6

)7.75(s,1h,h-2

),7.13(d,j=8.4hz,1h,h-5

),6.78(s,1h,h-8),6.34(s,1h,h-6),3.84(s,6h,3

,4
′-
och3),3.82(s,3h,7-och3)。
13
c-nmr(dmso-d6,150mhz)δ:176.1(c-4),165.0(c-2),160.4(c-7),156.2(c-5),150.5(c-9),148.4(c-4

),146.6(c-3

),1366(c-3),123.2(c-1

),121.6(c-6

),111.5(c-2

),110.9(c-5

),104.1(c-10),97.6(c-6),92.2(c-8),56.1(4
′-
och3),55.7(3
′-
och3),55.6(7-och3);esi-ms m/z:323[m-h]-,325[m h]


[0065]
实施例13
[0066]
化合物1m的合成
[0067]
化合物化1j(50mg,0.08mmol)溶于10ml甲醇/四氢呋喃(v/v=1∶1)混合溶剂中,加入10%pd/c(90mg),在常温常压氢气氛围中共反应了24h,过滤除去pd/c,浓缩回收溶剂得黄色粉末23mg,产率84%。m.p.143~144℃;1h-nmr(dmso-d6,600mhz)δ:12.46(s,1h,5-oh),7.75(d,j=7.2hz,1h,h-5

),7.69(dd,j=8.4,1.8hz,1h,h-6

),7.47(d,j=1.8hz,1h,h-2

),6.94(d,j=1.8hz,1h,h-8),6.19(d,j=1.8hz,1h,h-6),3.84(s,3h,4
′-
och3)。
13
c-nmr(dmso-d6,150mhz)δ:176.0(c-4),165.0(c-2),160.4(c-7),156.2(c-5),159.3(c-9),146.3(c-4

),146.2(c-3

),136.1(c-3),123.4(c-1

),119.7(c-6

),114.6(c-2

),111.8(c-5

),103.1(c-10),98.2(c-6),93.4(c-8),55.6(4
′-
och3)esi-ms m/z:315[m-h]-,317[m h]


[0068]
实施例14
[0069]
化合物1的合成
[0070]
化合物1h(120mg,0.23mmol)溶于干燥的dmf(5ml)中,加无水k2co3(110mg,0.80mmol),全乙酰化溴代葡萄糖(186mg,0.46mmol),在室温氮气保护下反应24h后,加20ml冰水猝灭,然后用3%稀盐酸调至中性,再用乙酸乙酯萃取(30ml
×
3),有机层用饱和食盐水洗涤(100ml
×
2),无水mgso4干燥,过滤,浓缩得黄色油状物,过硅胶柱色谱(环己烷/乙酸乙酯=2∶1)得黄色固体112.6mg,产率60.0%。1h-nmr(dmso-d6,600mhz)δ:7.81(d,j=1.8hz,1h,h-2

),7.73(dd,j=8.4,2.4hz,h-6

),7.63(d,j=7.2hz,h-2

),7.32-7.63(m,10h,bn-ar),7.13(d,j=9.0hz,1h,h-5

),6.80(d,j=1.8hz,1h,h-8),6.62(d,j=2.4hz,1h,h-6),5.72(d,j=7.8hz,1h,h-1

),5.43(t,j=13.2hz,1h,h-6

),5.24(d,j=6.6hz,2h,3
′-
o-bn-ch2),5.20(d,2h,j=4.2hz,5-o-bn-ch2),5.05(m,1h,h-6

),4.93(m,1h,h-5

),3.98(m,2h,,h-2

,h-3

),3.89(s,3h,4
′-
och3),3.86(s,3h,7-och3),3.93-3.84(m,1h,h-5

),2.08(s,3h,coch3),1.95(s,6h,ch3co),1.73(s,3h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:171.3(c-4),169.6,169.5,169.4,169.3(4c,ac-co
×
4),163.8(c-7),159.1(c-2),158.2(c-5),153.4(c-9),151.1(c-4

),147.0(c-3

),136.9(c-3),127.0-136.7(10c,bn-ar),122.4(c-1

),122.2(c-6

),113.8(c-2

),111.3(c-5

),108.5(c-10),98.3(c-1

),97.5(c-6),93.3(c-8),71.7(3
′-
o-bn-ch2),71.6(5-o-bn-ch2),70.4(c-3

),70.2(c-2

),70.0(c-4

),67.9(c-5

),61.1(c-6

),56.1(4
′-
och3),55.7(7-och3),20.6,20.4,20.3,20.0(4c,ac-ch3);esi-ms m/z:839[m-h]-,841[m h]


[0071]
实施例15
[0072]
化合物2的合成
[0073]
化合物1i(100mg,0.23mmol)溶于干燥的dmf(5ml)中,加无水k2co3(220mg,
1.6mmol),全乙酰化溴代葡萄糖(186mg,0.46mmol),在室温氮气保护下反应24h后,加20ml冰水猝灭,然后用3%稀盐酸调至中性,再用乙酸乙酯萃取(30ml
×
3),有机层用饱和食盐水洗涤(100ml
×
2),无水mgso4干燥,过滤,浓缩得黄色油状物,过硅胶柱色谱(环己烷/乙酸乙酯=2∶1)得116.0mg白色固体化合物,产率65.8%。1h-nmr(dmso-d6,600mhz)δ:7.76(d,j=1.8hz,1h,h-2

),7.69(dd,j=9.0,2.4hz,1h,h-6

),7.63(d,j=7.2hz,2h,bn-ar),7.42(t,j=15.0hz,2h,bn-ar),7.33(t,j=15hz,1h,bn-ar),7.10(d,j=8.4hz,1h,h-5

),6.85(d,j=2.4hz,1h,h-8),6.62(d,j=2.4hz,1h,h-6),5.74(d,j=7.8hz,1h,h-1

),5.43(t,j=19.8hz,1h,h-6

),5.24(d,j=6.6hz,2h,5-o-bn-ch2),5.02(m,1h,h-6

),4.90(m,1h,h-5

),3.99(m,1h,h-2

,h-3

),3.89(s,3h,4
′-
och3),3.88(s,3h,3
′-
och3),3.84(s,3h,7-och3),3.82(m,1h,h-5

),2.07(s,3h,ch3co),1.96(s,3h,ch3co),1.95(s,3h,ch3co),1.79(s,3h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:171.3(c-4),169.6,169.5,169.4,169.3(4c,ac-co),163.8(c-7),159.1(c-2),158.2(c-5),153.4(c-9),150.8(c-4

),147.9(c-3

),136.7(c-3),127.0-135.3(5c,5-o-bn-ar),122.3(c-1

),121.8(c-6

),112.2(c-2

),111.0(c-5

),108.5(c-10),98.4(c-1

),97.5(c-6),93.4(c-8),71.7(5-o-bn-ch2),71.6(c-3

),70.4(c-2

),70.0(c-4

),67.8(c-5

),61.0(c-6

),56.1(4
′-
och3),55.6(3
′-
och3),55.5(7-och3),20.5,20.4,20.3,20.0(4c,ac-ch3);esi-ms m/z:763[m-h]-,765[m h]


[0074]
实施例16
[0075]
化合物3的合成
[0076]
化合物1j(180mg,0.32mmol)溶于干燥的dmf(10ml)中,加k2co3(330mg,2.4mmol),全乙酰化溴代葡萄糖(260mg,0.64mmol),在室温氮气保护下反应24h后,加30ml h2o稀释猝灭,然后用3%稀盐酸调至中性,再用乙酸乙酯萃取(40ml
×
3),饱和食盐水洗涤(100ml
×
2),无水mgso4干燥,过滤,浓缩得黄色油状物,过硅胶柱色谱(环己烷/v乙酸乙酯=2∶1)得淡黄色固体148.5mg,产率53.4%。1h-nmr(dmso-d6,600mhz)δ:7.82(d,j=2.4hz,1h,h-2

),7.72(dd,j=8.4,2.4hz,1h,h-6

),7.62(d,j=7.2hz,2h,bn-ar),7.52(d,j=7.2hz,2h,bn-ar),7.49(d,j=7.2hz,2h,bn-ar),7.32-7.44(m,9h,bn-ar),7.14(d,j=9.0hz,1h,h-5

),6.94(d,j=2.4hz,1h,h-8),6.73(d,j=1.8hz,1h,h-6),5.74(d,j=7.8hz,1h,h-1

),5.44(t,j=19.2hz,1h,h-6

),5.25(m,4h,7,3
′-
o-bn-ch2),5.20(d,j=7.8hz,2h,5-o-bn-ch2),5.04-5.07(m,1h,h-6

),4.91-4.95(m,1h,h-5

),3.94-3.98(m,2h,h-2

,h-3

),3.86(s,3h,4
′-
och3),3.81-3.84(m,1h,h-4

),2.08(s,3h,ch3co),1.96(s,6h,ch3co),1.73(s,3h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:171.3(c-4),169.6,169.5,169.4,169.3(4c,ac-co),162.8(c-7),159.1(c-2),158.1(c-5),153.4(c-9),151.2(c-4

),147.0(c-3

),136.85(c-3),126.9-136.7(15c,bn-ar),122.4(c-1

),122.2(c-6

),113.8(c-2

),111.3(c-5

),108.6(c-10),98.3(c-1

),97.9(c-6),94.2(c-8),71.7,71.6,70.4(3c,bn-ch2),70.2(c-3

),70.1(c-2

),70.0(c-4

),67.9(c-6

),61.1(c-5

),55.7(4
′-
och3),20.6,20.4,20.3,20.0(4c,ac-ch3);esi-ms m/z:915[m-h]-,917[m h]


[0077]
实施例17
[0078]
化合物4的合成
[0079]
化合物1h(100mg,0.20mmol)溶于干燥的dmf(5ml)中,加无水k2co3(193mg,
1.4mmol),全乙酰化溴代半乳糖(160mg,0.40mmol),在室温氮气保护下反应24h后,加20ml冰水猝灭,再用乙酸乙酯萃取(30ml
×
3),有机层用饱和食盐水洗涤(100ml
×
2),无水mgso4干燥,过滤,浓缩得黄色油状物,过硅胶柱色谱(环己烷/乙酸乙酯=2∶1)得淡黄色固体108.0mg,产率69.0%。1h-nmr(dmso-d6,600mhz)δ:7.95(d,j=2.4hz,1h,h-2

),7.72(dd,j=8.4,1.8hz,1h,h-6

),7.63(d,j=7.8hz,2h,bn-ar),7.53(d,j=7.2hz,2h,bn-ar),7.32-7.43(m,6h,bn-ar),7.10(d,j=9.0hz,1h,h-5

),6.81(d,j=1.8hz,1h,h-8).6.61(d,j=2.4hz,1h,h-6),5.69(d,j=7.8hz,1h,h-1

),5.26-5.36(m,2h,h-3

,h-5

),5.23(d,j=1.8hz,2h,3
′-
o-bn-ch2),5.18-5.20(m,3h,5-o-bn-ch2,h-2

),4.19-4.21(t,j=12.6hz,1h,h-4

),3.92-4.03(m,1h,h-6

),3.89(s,3h,4
′-
och3),3.85(s,3h,7-och3),3.80-3.84(m,1h,h-6

),2.10(s,3h,ch3co),1.92(s,3h,ch3co),1.79(s,3h,ch3co),1.75(s,3h,4
′-
och3)。
13
c-nmr(dmso-d6,150mhz)δ:171.4(c-4),169.8,169.7,169.6,169.42(4c,ac-co),163.8(c-7),159.1(c-2),153.0(c-5),151.2(c-4

),147.0(c-3

),136.9(c-3),127.0-136.7(12c,bn-ar),122.3(c-1

),122.0(c-6

),114.0(c-2

),111.3(c-5

),108.5(c-10),98.9(c-1

),97.5(c-6),93.3(c-8),70.2(7-o-bn-ch2),70.0(2c,5,4

bn-ch2),70.0(2c,c-2

,c-3

),69.2(c-4

),67.2(c-5

),60.7(c-6

),56.1(4
′-
och3),55.7(7-och3),20.7,20.4,20.2,19.9(4c,ac-ch3);esi-ms m/z:839[m-h]-,841[m h]


[0080]
实施例18
[0081]
化合物5的合成
[0082]
化合物1i(100mg,0.23mmol)溶于干燥的dmf(5ml)中,加无水k2co3(220mg,1.6mmol),全乙酰化溴代半乳糖(186mg,0.46mmol),在室温氮气保护下反应24h后,加20ml冰水猝灭,然后用3%稀盐酸调至中性,再用乙酸乙酯萃取(30ml
×
3),有机层用饱和食盐水洗涤(100ml
×
2),无水mgso4干燥,过滤,浓缩得黄色油状物,过硅胶柱色谱(环己烷/乙酸乙酯=2∶1)得白色固体112.7mg,产率64.0%。1h-nmr(dmso-d6,600mhz)δ:7.91(d,j=1.8hz,1h,h-2

),7.65(dd,j=8.4,1.8hz,1h,h-6

),7.60(d,j=7.2hz,2h,bn-ar),7.42(t,j=8.4hz,2h,bn-ar),7.33(t,j=15hz,1h,bn-ar),7.07(d,j=8.4hz,1h,h-5

),6.84(d,j=1.8hz,1h,h-8),6.60(d,j=1.8hz,1h,h-6),5.70(d,j=8.4hz,1h,h-1

),5.33(m,1h,h-5

),5.15-5.22(m,5h,5-o-bn-ch2,h-2

,h-3

,h-4

),4.19(m,2h,h-6

),3.91(s,3h,4
′-
och3),3.87(s,3h,3
′-
och3),3.83(s,3h,7-och3),2.08(s,6h,ch3co),1.92(s,3h,ch3co),1.75(s,3h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:171.3(c-4),169.9,169.6,169.6,169.5(4c,ac-co),163.8(c-7),159.1(c-2),158.2(c-5),153.2(c-9),150.8(c-4

),147.8(c-3

),136.8(c-3),127.0-135.3(5c,bn-ar),122.33(c-1

),121.3(c-6

),112.4(c-2

),111.0(c-5

),108.5(c-10),98.8(c-1

),97.5(c-6),93.3(c-8),70.3(5-o-bn-ch2),70.0(c-2

),69.9(c-3

),69.1(c-4

),67.2(c-5

),60.7(c-6

),56.1(4
′-
och3),55.7(3
′-
och3),55.5(7-och3),20.7,20.4,20.3,20.2(4c,ac-ch3);esi-ms m/z:763[m-h]-,765[m h]


[0083]
实施例19
[0084]
化合物6的合成
[0085]
化合物1j(200mg,0.36mmol)溶于干燥的dmf(10ml)中,加k2co3(350mg,2.54mmol),全乙酰化溴代半乳糖(290mg,0.71mmol),在室温氮气保护下反应24h后,加30ml h2o稀释猝
3.84(m,1h,h-4

),2.03,1.95,1.79(s,12h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:176.7(c-4),169.4,169.2,169.1,169.0(4c,ac-co),165.13(c-7),160.6(c-2),156.8(c-5),156.1(c-9),151.1(c-4

),147.6(c-3

),133.0(c-3),122.2(c-1

),121.6(c-6

),112.0(c-2

),110.8(c-5

),104.8(c-10),98.4(c-1

),97.8(c-6),92.4(c-8),71.4(c-3

),71.1(c-2

),70.4(c-5

),67.4(c-4

),60.7(c-6

),55.9(4
′-
och3),55.4(3
′-
och3),55.3(7-och3),20.2,20.1,20.0,19.8(4c,ac-ch3);esi-ms m/z:673[m-h]-,675[m h]


[0092]
实施例22
[0093]
化合物9的合成
[0094]
化合物3(225mg,0.273mmol)溶于10ml甲醇/四氢呋喃(v/v=1∶1)混合溶剂中,加入10%pd/c(180mg),在常温常压氢气氛围中共反应了24h,过滤除去pd/c,浓缩回收溶剂得黄色油状物169mg,产率96%。1h-nmr(dmso-d6,600mhz)δ:12.49(s,1h,5-oh),10.92(br-s,1h,7-oh),9.40(s,1h,3
′-
oh),7.57(d,j=1.8hz,1h,h-2

),7.55(dd,j=9.0,2.4hz,1h,h-6

),7.02(d,j=8.4hz,1h,h-5

),6.41(d,j=1.8hz1h,h-8),6.19(d,j=1.8hz,1h,h-6),5.66(d,j=7.8hz,1h,h-1

),5.34(t,j=19.2hz,1h,h-6

),5.11(t,j=18.0hz,1h,h-6

),4.99(t,j=18.6hz,1h,h-5

),3.91-3.95(m,2h,h-2

,h-3

),3.84-3.86(m,1h,h-4

),3.82(s,3h,4
′-
och3),2.00,1.95,1.94,1.80(s,each 3h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:176.8(c-4),169.8,169.5,169.3,169.3(4c,ac-co),164.4(c-7),161.2(c-2),156.8(c-5),156.4(c-9),150.3(c-4

),145.9(c-3

),133.0(c-3),122.0(c-1

),121.0(c-6

),115.9(c-2

),111.3(c-5

),104.0(c-10),98.8(c-1

),98.6(c-6),93.8(c-8),71.9(c-3

),71.4(c-2

),70.5(c-5

),67.8(c-4

),61.0(c-6

),55.6(4
′-
och3),20.5,20.4,20.3,20.1(4c,ac-ch3);esi-ms m/z:645[m-h]-,647[m h]


[0095]
实施例23
[0096]
化合物10的合成
[0097]
化合物4(100mg,0.119mmol)溶于10ml甲醇/四氢呋喃(v/v=1∶1)混合溶剂中,加入10%pd/c(180mg),在常温常压氢气氛围中共反应了24h,过滤除去pd/c,浓缩回收溶剂得黄色油状物77mg,产率98%。1h-nmr(dmso-d6,600mhz)δ:12.47(s,1h,5-oh),9.22(s,1h,3
′-
oh),7.62(dd,j=8.4,2.4hz,1h,h-6

),7.52(d,j=1.8hz,1h,h-2

),7.03(d,j=8.4hz,h-5

),6.71(d,j=2.4hz,1h,h-8),6.35(d,j=1.8hz,1h,h-6),5.61(d,j=7.2hz,1h,h-1

),5.22-5.24(m,1h,h-5

),5.16-5.20(m,3h,h-2

,h-3

,h-,4

),3.84(s,3h,4
′-
och3),3.83(s,3h,7-och3),3.79-3.82(m,2h,h-6

),2.10(s,3h,ch3co),2.02(s,3h,ch3co),1.90(s,3h,ch3co),1.75(s,3h,ch3co);
13
c-nmr(dmso-d6,150mhz)δ:177.1(c-4),169.9,169.6,169.5,169.4(4c,ac-co),165.3(c-7),160.9(c-2),157.2(c-5),156.4(c-9),150.4(c-4

),146.0(c-3

),133.3(c-3),122.2(c-1

),121.5(c-6

),116.0(c-2

),111.2(c-5

),105.0(c-10),98.9(c-1

),98.1(c-6),92.4(c-8),70.2(2c,c-2

,c-3

),69.2(c-4

),67.1(c-5

),60.9(c-6

),56.2(4
′-
och3),55.7(7-och3),20.6,20.4,20.4,20.2(4c,ac-ch3);esi-ms m/z:659[m-h]-,661[m h]


[0098]
实施例24
[0099]
化合物11的合成
[0100]
化合物5(90mg,0.118mmol)溶于10ml甲醇/四氢呋喃(v/v=1∶1)混合溶剂中,加入
8),77.5(c-2

),76.4(c-3

),74.3(c-4

),69.8(c-5

),60.6(c-6

),56.2(7-och3),55.7(3
′-
och3),55.6(4
′-
och3);esi-ms m/z:505[m-h]-,507[m h]


[0107]
实施例27
[0108]
化合物14的合成
[0109]
化合物9(50mg,0.077mmol)溶于20ml无水甲醇中,加入5mg甲醇钠,在50℃条件下反应,tlc监测反应,原料点消失停止,冷却至室温,减压回收溶剂得黄色粗品,经硅胶柱色谱(二氯甲烷/v甲醇=100∶0 to 5∶1)得黄色固体32mg,产率86.5%。1h-nmr(dmso-d6,600mhz)δ:12.56(s,1h,5-oh),7.67(dd,j=8.4,2.4hz,1h,h-6

),7.53(d,j=2.4hz,1h,h-2

),7.02(d,j=8.4hz,h-5

),6.38(s,1h,h-8),6.17(s,1h,h-6),5.46(d,j=9.0hz,1h,h-1

),5.27(s,1h,4
″-
oh),5.05(s,1h,2
″-
oh),4.94(s,1h,3
″-
oh),4.26(s,1h,6
″-
oh),3.82(s,3h,4
′-
och3),3.55(m,1h,h-6

),3.06-3.19(m,5h,h-2

,h-3

,h-4

,h-5

,h-6

);
13
c-nmr(dmso-d6,150mhz)δ:177.49(c-4),164.46(c-7),161.3(c-2),156.4(c-5),155.8(c-9),150.3(c-4

),145.9(c-3

),133.60(c-3),122.7(c-1

),121.4(c-6

),115.7(c-2

),111.4(c-5

),104.0(c-10),100.8(c-1

),98.8(c-6),93.6(c-8),77.6(c-2

),76.5(c-3

),74.1(c-4

),80.0(c-5

),61.3(c-6

),55.7(4
′-
och3);esi-ms m/z:477[m-h]-,479[m h]


[0110]
实施例28
[0111]
化合物15的合成
[0112]
化合物11(50mg,0.077mmol)溶于20ml无水甲醇中,加入5mg甲醇钠,在50℃条件下反应,tlc监测反应,原料点消失停止,冷却至室温,减压回收溶剂得黄色粗品,经硅胶柱色谱(二氯甲烷/甲醇=100∶0 to 5∶1)得黄色固体32mg,产率86.5%。1h-nmr(dmso-d6,600mhz)δ:7.80(d,j=2.4hz,1h,h-6

),7.64(d,j=9.0hz,1h,h-2

),7.08(d,j=8.4hz,h-5

),6.71(s,1h,h-8),6.35(s,1h,h-6),5.50(d,j=7.2hz,1h,h-1

),5.18(s,1h,4
″-
oh),4.88(s,1h,2
″-
oh),4.53(s,1h,3
″-
oh),4.48(s,1h,6
″-
oh),3.84(s,3h,4
′-
och3),3.82(s,3h,3
′-
och3),3.81(s,3h,3-och3),3.65(m,1h,h-5

),3.54(t,j=16.2hz,1h,h-3

),3.37-3.47(m,4h,h-2

,h-4

,h-6

);
13
c-nmr(dmso-d6,150mhz)δ:177.5(c-4),165.2(c-7),161.5(c-2),156.5(c-5),156.0(c-9),151.0(c-4

),148.0(c-3

),133.8(c-3),122.4(c-1

),121.7(c-6

),112.8(c-2

),111.1(c-5

),105.3(c-10),101.6(c-1

),98.1(c-6),92.0(c-8),76.0(c-2

),73.1(c-4

),71.3(c-4

),68.0(c-5

),60.3(c-6

),56.1(4
′-
och3),56.0(3
′-
och3),55.6(7-och3);esi-ms m/z:505[m-h]-,507[m h]


[0113]
实施例29
[0114]
化合物16的合成
[0115]
化合物12(50mg,0.077mmol)溶于20ml无水甲醇中,加入5mg甲醇钠,在50℃条件下反应,tlc监测反应,原料点消失停止,冷却至室温,减压回收溶剂得黄色粗品,经硅胶柱色谱(二氯甲烷/甲醇=100∶0 to 5∶1)得黄色固体30mg,产率81.1%。1h-nmr(dmso-d6,600mhz)δ:12.53(s,1h,5-oh),7.74(dd,j=2.4,1.8hz,1h,h-6

),7.49(d,j=2.4hz,1h,h-2

),6.97(d,j=9.0hz,h-5

),6.35(s,1h,h-8),6.14(s,1h,h-6),5.36(d,j=7.2hz,1h,h-1

),5.12(br-s,1h,4
″-
oh),4.83(br-s,1h,2
″-
oh),4.42(br-s,2h,3
″-
oh,6
″-
oh),3.82(s,3h,4
′-
och3),3.41-3.61(m,6h,h-2

,h-3

,h-4

,h-5

,h-6

);
13
c-nmr(dmso-d6,150mhz)δ:
c-4),127.9(7-o-bn-ar-c-2,6),122.2(c-1

),121.4(c-6

),116.0(c-2

),111.2(c-5

),105.1(c-10),98.9(c-1

),98.7(c-6),93.3(c-8),70.2(2c,7-o-bn-ch2,c-2

),70.1(c-3

),69.2(c-5

),67.1(c-4

),60.9(c-6

),55.7(4
′-
och3),20.6,20.,20.4,20.2(4c,ac-ch3);esi-ms m/z:735[m-h]-,737[m h]


[0122]
实施例32
[0123]
药理学实验:
[0124]
用十万分之一天平精密称取样品,然后用dmso溶解成适合的浓度作为贮备液,在-20℃下保存,使用前再用sum149细胞培养液稀释成所需的浓度。
[0125]
常法培养sum149细胞,待其增殖至细胞交联70-80%时,吸去培养基,加入2ml 0.25%胰蛋白酶溶液,放入37℃、5%co2培养箱消化2-3min,至显微镜下观察大部分细胞已不再贴壁,加入6ml培养基终止消化,得到细胞混悬液,于500rpm的低温离心机内离心3min,吸去上清液,重新加入6ml培养基,吹散细胞,测定细胞密度。将细胞密度调整至3
×
103/孔,接种于96孔板,放于37℃、5%co2培养箱培养24h,随后加待测试样品,实验分组为:空白组和不同剂量组,根据前期预试验,每个化合物测试4个浓度,每个浓度3个复孔,每孔200μl培养液。加毕,放于37℃、5%co2培养箱培养48h后,吸去培养液,加入新鲜配制mts试剂,置于37℃培养箱2h,置于酶标仪490nm处测od值,读数转到graphpad prism软件计算ic
50
等数值。
[0126]
结果表明(如表2所示):化合物1b-1m、1、3表现出较强的对人三阴性乳腺癌细胞的生长抑制作用,其ic
50
值范围为1.38-11.98μm;而其余的化合物则无明显细胞毒活性,在最大测试浓度(20μm)下的抑制率<50%。
[0127]
表2化合物1b-1m、1、3对人三阴性乳腺癌细胞系
[0128]
sum 149的生长抑制作用(n=3)
[0129]
再多了解一些

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