CN113845483A - 一种粉背蕨酸和5-氟尿嘧啶杂合物、制备方法及其应用 - Google Patents
一种粉背蕨酸和5-氟尿嘧啶杂合物、制备方法及其应用 Download PDFInfo
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- CN113845483A CN113845483A CN202111135626.XA CN202111135626A CN113845483A CN 113845483 A CN113845483 A CN 113845483A CN 202111135626 A CN202111135626 A CN 202111135626A CN 113845483 A CN113845483 A CN 113845483A
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- piperazin
- trimethyl
- fluoro
- methylpent
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Abstract
本发明涉及抗肿瘤药物技术领域,具体涉及一种粉背蕨酸和5‑氟尿嘧啶杂合物、制备方法及其应用,将5‑氟尿嘧啶在碱的作用下与溴代乙酸发生取代反应得到中间产物5‑氟尿嘧啶乙酸,在缩合剂作用下,粉背蕨酸与哌嗪反应得到中间产物粉背蕨哌嗪酰胺;前两步骤获得的两组分中间产物在缩合剂作用下反应,得到中间产物粉背蕨酸‑5‑氟尿嘧啶哌嗪酰胺;最后,在碱的作用下,中间产物粉背蕨酸‑5‑氟尿嘧啶哌嗪酰胺与苄基溴化合物反应得到粉背蕨酸‑5氟尿嘧啶衍生物,本发明合成过程简易快捷,且合成效率高,经分离后的化合物纯度高,合成制备得到的粉背蕨酸衍生物有望应用于抗肿瘤药物领域。
Description
技术领域
本发明涉及抗肿瘤药物技术领域,具体涉及一种粉背蕨酸和5-氟尿嘧啶杂合物、制备方法及其应用。
背景技术
银粉背蕨(Aleuritopteris argentea(Gmel.)Fée)又名通经草、金丝草、铜丝草、金牛草,是中国蕨科粉背蕨属植物,其分布于尼泊尔、缅甸、印度北部、俄罗斯、蒙古、朝鲜、日本和中国。在中国,银粉背蕨广泛分布于全国各省区,多生长于海拔50至3900米石灰岩石缝及墙缝中。银粉背蕨全草可以入药,具有活血调经、补虚止咳、解毒消肿和利尿通乳等功效,被用于治疗月经不调,闭经腹痛,肺结核咳嗽,咯血等症状。在我国,银粉背蕨的民间药用历史悠久,早在十七世纪蒙古族、藏族等少数民族就将其用于治疗肺结核咯血、月经不调等病症,并被记载于《晶珠本草》等医籍中。(严岳鸿,张宪春.中国蕨类植物多样性与地理分布[M].北京:科学出版社,2013:269.)药理研究证实银粉背蕨具有抗炎功效,且其药理作用主要与黄酮类组分有关。在现代临床研究中,有关通经草临床报道很少。代明山等曾观察蒙药明目七味丸配合明目小剂的疗效,该药的主要成分来源于诃子、川楝子、栀子、银粉背蕨、铁屑、甘草、小茴香等,其对70例术后晚期青光眼患者的治疗作用具有疗程短、效果显著等特点。(代明山,阿拉坦图雅.蒙药治疗术后晚期青光眼[J].中医药学刊,2005,23(10):1918-1918.)
银粉背蕨中含有粉背蕨酸、黄脂酸等萜类化合物、多种黄酮类化合物、绿原酸、生物碱及多糖等物质。上田博之等首次从银粉背蕨中分离得到粉背蕨酸,鉴定了其结构并发现不同产地银粉背蕨粉背蕨酸含量有较显著差异。(上田博之.银粉背蕨叶中的一个新化合物[J].药学研究(日),1960,32(5):354.上田博之,岩田忠治,大竹良幸.银粉背蕨中的二萜化合物粉背蕨酸的结构[J].医学中央杂志(日),1964,195(3):287.)赵迎春等对粉背蕨酸也进行了分离、纯化和结构鉴定,并采用HPLC法测得其在通经草叶中的含量为2.36%至3.75%。(赵迎春,王晓莉,赵云丽,等.通经草叶中粉背蕨酸的分离及含量测定[J].沈阳药科大学学报,2008,25(1):52-55.)。
粉背蕨酸属于半日花烷型二萜类物质,具有抗肿瘤、抗菌、强心等生物活性,具有重要的开发价值。目前,粉背蕨酸的结构修饰研究相对较少,中国发明专利CN201910151981.2公开了粉背蕨酸的胺化衍生及其在抗肿瘤方面的用途。继续探究粉背蕨酸新系列衍生物的合成,研究其构效关系,发现具有高生物活性、低毒性的粉背蕨酸衍生物具有重要的意义。
5-氟尿嘧啶(5-Fluorouracil,5-FU)1957年由Duschinsky等合成,同年由Curreri及Ausfield首先试用于临床。该物质为白色或类白色结晶粉末,微溶于水、乙醇,几乎不溶于氯仿,溶于稀盐酸或氢氧化钠溶液,它是一种作用于DNA合成期的抗恶性肿瘤药物,对增殖性细胞各项均有杀伤作用。适应于乳腺癌、结肠癌、直肠癌、胃癌、肝癌、卵巢癌、宫颈癌、膀胱癌、前列腺癌和头颈部肿瘤等治疗,也可作为放射治疗的增敏剂,还可以局部应用与治疗基底细胞癌和某些恶性皮肤病。(扈靖,刘彦清,韩士田,等.5-氟尿嘧啶衍生物的抗癌活性研究[J].河北师范大学学报,2006,30(5):580-584.)
为寻找更多具有高效低毒的5-氟尿嘧啶的衍生物,近年来,一些5-氟尿嘧啶的6位取代的衍生物,如6-位烷氧基取代、6-位芳基取代、6-位烷硫基取代的5-氟尿嘧啶衍生物已成功被制备并用于生理活性的研究。结果表明,一些6-位取代的5-氟尿嘧啶衍生产物具有优良的抗肿瘤活性。部分苄基取代的化合物,如诺霉素、阿霉素具有良好的抗肿瘤活性。(游金宗,王彦广,邵爽,等.5-氟尿嘧啶异常6-位苄基化反应[J].浙江教育学院学报,2007,4:56-61.)
鉴于上述缺陷,本发明创作者经过长时间的研究和实践终于获得了本发明。
发明内容
本发明的目的在于解决如何对粉背蕨算进行结构修饰,增强粉背蕨酸母环的活性,从中发现具有抗肿瘤活性新分子的问题,提供了一种粉背蕨酸和5-氟尿嘧啶杂合物、制备方法及其应用。
为了实现上述目的,本发明公开了一种粉背蕨酸和5-氟尿嘧啶杂合物,所述杂合物结构通式如下:
其中,R为苯基、含取代苯基或萘基。
所述杂合物结构式如下:
化合物6a:3-苄基-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6b:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-3-(2-甲基苄基)-2,4(1H,3H)-二酮;
化合物6c:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(3-甲基苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6d:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(4-甲基苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6e:5-氟-3-(4-氟苄基)-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6f:3-(4-氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6g:3-(4-溴苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6h:3-(2,4-二氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6i:3-(3,4-二氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6j:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(4-甲氧基苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6k:4-((5-氟-3-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-2,6-二氧代-3,6-二氢嘧啶-1(2H)-基)甲基)苯甲酸甲酯;
化合物6l:5-氟-3-三氟甲基-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-((4-三氟甲基)苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6m:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-((4-三氟甲氧基)苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6n:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6o:4-((5-氟-3-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-yl)-3-甲基戊-2-烯酰基)哌嗪-1-yl)-2-氧代乙基)-2,6-dioxo-3,6-二氢嘧啶-1(2H)-基)甲基)苯甲腈;
化合物6p:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(萘-1-基甲基)嘧啶-2,4(1H,3H)-二酮;
化合物6q:5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(萘-2-基甲基)嘧啶-2,4(1H,3H)-二酮;
上述粉背蕨酸和5-氟尿嘧啶杂合物的合成路线为:
其中,R为苯基、取代苯基、萘基。
本发明还公开了上述粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,包括如下步骤:
S1:将5-氟尿嘧啶(1)与氢氧化钾粉末加入水中溶解,将反应体系升温至60℃搅拌,之后加入溴乙酸水溶液,待反应完全后,反应体系冷却至室温,缓慢滴加浓盐酸,直到析出大量白色固体,过滤,用水和乙醇洗涤得到的固体,得到中间产物5-氟尿嘧啶乙酸(2);
S2:取粉背蕨酸(3)粉末加入二氯甲烷溶解,然后依次加入二异丙基乙基胺、N,N,N',N'-四甲基脲六氟磷酸盐和哌嗪,室温下搅拌,反应完全后,用水淬灭反应,萃取,洗涤,干燥有机相,旋干,蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到中间产物粉背蕨哌嗪酰胺(4);
S3:将步骤S1、S2中得到的物5-氟尿嘧啶乙酸(2)和粉背蕨哌嗪酰胺(4)加入二氯甲烷溶解,然后依次加入二异丙基乙基胺、N,N,N',N'-四甲基脲六氟磷酸盐,室温下搅拌,待反应完全后,萃取、洗涤、干燥有机相,旋干,蒸干后得到的粗产物,用硅胶层析的方法分离纯化,得到中间产物粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5);
S4:将步骤S3中得到的粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)加入N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末及有机溴化物,室温下搅拌,待反应完全后,用水淬灭反应,萃取,洗涤,干燥有机相,旋干,蒸干后得到的粗产物,用硅胶层析的方法分离纯化,即可得粉背蕨酸和5-氟尿嘧啶杂合物。
所述步骤S1、S2、S3、S4中,通过TLC点板查看反应是否完全转化。
所述步骤S2、S3、S4中萃取溶剂均为乙酸乙酯。
所述步骤S2、S3、S4中洗涤有机相为饱和食盐水。
所述步骤S2、S3、S4中干燥有机相为无水硫酸钠。
所述步骤S2中柱层析洗脱剂体积比为二氯甲烷:甲醇=10~20:1,所述步骤S3中柱层析洗脱剂体积比为二氯甲烷:甲醇=20~30:1,所述步骤S4中柱层析洗脱剂体积比为二氯甲烷:甲醇=30~50:1。
所述步骤S4中的有机溴化物为含溴化苯结构的有机化合物。
本发明还公开了上述粉背蕨酸和5-氟尿嘧啶杂合物在制备抗肿瘤药物中的应用。
与现有技术比较本发明的有益效果在于:
1、合成过程简单方便,且合成效率高,经分离后的化合物纯度高;
2、在抗肿瘤活性筛选中,大部分的衍生物均表现出一定的抗肿瘤活性,其中部分衍生物具有较好的抗肿瘤效果,例如衍生物6a、6b、6h和6i对MCF-7的抑制活性及衍生物6c、6d、6e、6g、6h和6i对A549的抑制活性较好,IC50均小于30μM;其中,对MCF-7的抑制活性最好的是衍生物6b,IC50为24.33±2.55μM;对A549的抑制活性最好的是衍生物6g,IC50为21.64±1.27μM,衍生物6h、6i为抗肿瘤活性综合表现较好的化合物;
3、本发明的粉背蕨酸和5-氟尿嘧啶杂合物有应用于抗肿瘤药物的制备的潜力。
具体实施方式
以下具体实施例,对本发明上述的和另外的技术特征和优点作更详细的说明。
实施例1
2-(5-氟-2,4-二氧代-3,4-二氢嘧啶-1(2H)-基)乙酸(化合物2)的制备:
取650mg5-F尿嘧啶粉末(1)加入5mL水中搅拌,然后缓慢加入420mg氢氧化钾粉末,然后置于60℃反应30min。之后缓慢加入694mg溴乙酸固体,继续反应。待反应完全后冷却至室温,然后向反应体系滴加浓盐酸直至析出大量白色固体。过滤,依次用冷水及乙醇洗涤得到的固体。在真空环境当中除去溶剂后得到中间产物5-F尿嘧啶乙酸(2)。
核磁数据如下:1H NMR(400MHz,DMSO-d6)δ11.93(s,1H),8.09(d,1H,4.37(s,2H).13C NMR(101MHz,DMSO-d6)δ169.20,157.60(d,J=25.4Hz),148.53,138.15(d,J=232.5Hz),128.80(d,J=35.2Hz),47.57。
实施例2
(E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基-1-(哌嗪-1-基)戊-2-烯-1-酮(化合物4)的制备:
取粉背蕨酸(3)粉末320mg加入10mL二氯甲烷溶解,然后依次加入二异丙基乙基胺195mg、N,N,N',N'-四甲基脲六氟磷酸盐432mg和哌嗪129mg,在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到中间产物粉背蕨哌嗪酰胺(4)。
核磁数据如下:1H NMR(400MHz,CDCl3)δ5.72(d,J=12.6Hz,1H,14-H),4.87(s,1H,17-H),4.51(s,1H,17-H),4.01-3.51(m,5H,a-H),3.25(dd,J=11.9,4.2Hz,1H,3-H),3.17(m,2H,a-H),2.42(d,J=17.0Hz,1H,7-H),2.27(t,J=15.3Hz,12-H),2.02-1.92(m,2H,7,12-H),1.90(s,3H,16-CH3 ),1.82-1.47(m,7H,1-H,2-CH2,6-H,9-H,11-CH2),1.40(qd,J=12.9,4.3Hz,1H,6-H),1.16(t,J=13.2Hz,1H,1-H),1.10-1.03(m,1H,5-H),1.00(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 )。
实施例3
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-yl)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物5)的制备:
取粉背蕨酸哌嗪酰胺(4)粉末300mg加入10mL二氯甲烷溶解,然后依次加入二异丙基乙基胺150mg、N,N,N',N'-四甲基脲六氟磷酸盐334mg和中间产物5-氟尿嘧啶乙酸(2)100mg,在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到中间产物粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)。
核磁数据如下:1H NMR(600MHz,CDCl3)δ9.26(d,J=89.7Hz,1H,NH),7.31(d,J=37.4Hz,1H,g-H),5.74(s,1H,14-H),4.87(s,1H,17-H),4.56(s,2H,c-CH2 ),4.52(s,1H,17-H),3.80-3.45(m,8H,a-H),3.25(d,J=10.8Hz,1H,3-H),2.41(d,J=12.8Hz,1H,7-H),2.26(ddd,J=13.2,9.7,3.0Hz,1H,12-H),1.94(m,2H,7-H,12-H),1.90(s,3H,16-CH3 ),1.82-1.49(m,7H,1-H,2-CH2,6-H,9-H,11-CH2),1.38(td,J=12.8,3.7Hz,1H,6-H),1.19-1.13(m,1H,1-H),1.07(d,J=12.1Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).1
实施例4
3-苄基-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6a)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、苄溴4.6mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(600MHz,CDCl3)δ7.43(d,J=7.3Hz,1H,2×Ph-H),7.32-7.27(m,3H,3×Ph-H),7.23(d,J=10.3Hz,1H,g-H),5.73(s,1H,14-H),5.12(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.54(s,2H,c-CH2 ),4.52(s,1H,17-H),3.73-3.43(m,8H,a-H),3.24(dd,J=11.7,4.1Hz,1H,3-H),2.41(dt,J=12.9,3.2Hz,1H,7-H),2.26(ddd,J=14.0,9.9,3.9Hz,1H,12-H),1.98-1.92(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.80-1.55(m,7H,1-H,2-CH2,6-H,9-H,11-CH2),1.39(qd,J=13.0,4.4Hz,1H,6-H),1.16(td,J=13.3,3.6Hz,1H,1-H),1.07(dd,J=12.4,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:85%,熔点:84-86℃,质谱数据:C37H49FN4O5[M+H]+,计算值:649.3760,实测值:649.3737。
实施例5
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-3-(2-甲基苄基)-2,4(1H,3H)-二酮(化合物6b)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、2-甲基苄溴5.0mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.29(s,1H,g-H),7.18-7.07(m,3H,3×Ph-H),7.06-6.99(m,1H,Ph-H),5.73(s,1H,14-H),5.14(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.55(s,2H,c-CH2 ),4.52(s,1H,17-H),3.77-3.41(m,8H,a-CH2 ),3.24(dd,J=11.7,3.9Hz,1H,3-H),2.43(s,3H,Ph-CH3 ),2.43(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.96(m,J=15.7Hz,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.84-1.55(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(qd,J=13.0,4.3Hz,1H,6-H),1.18(d,J=13.7Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:80%,熔点:114-116℃,质谱数据:C38H51FN4O5[M+H]+,计算值:663.3916,实测值:663.3893。
实施例6
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(3-甲基苄基)嘧啶-2,4(1H,3H)-二酮(化合物6c)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、3-甲基苄溴5.0mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.26(s,1H,g-H),7.23(d,J=8.6Hz,2H,2×Ph-H),7.18(t,J=7.4Hz,1H,Ph-H),7.07(d,J=7.3Hz,1H,Ph-H),5.73(s,1H,14-H),5.09(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.54(s,2H,c-CH2 ),4.52(s,1H,17-H),3.74-3.48(m,8H,a-CH2 ),3.24(dd,J=11.7,4.4Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.31(s,3H,Ph-CH3 ),2.29-2.22(m,1H,12-H),1.99-1.92(m,2H,7-H,12-H),1.91(d,J=1.1Hz,3H,16-CH3 ),1.81-1.58(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.39(qd,J=12.9,4.3Hz,1H,6-H),1.16(td,J=13.2,3.8Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:88%,熔点:102-104℃,质谱数据:C38H51FN4O5[M+H]+,计算值:663.3916,实测值:663.3895。
实施例7
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(4-甲基苄基)嘧啶-2,4(1H,3H)-二酮(化合物6d)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-甲基苄溴5.0mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.34(d,J=7.8Hz,2H,2×Ph-H),7.21(s,1H,g-H),7.10(d,J=7.7Hz,2H,2×Ph-H),5.74(s,1H,14-H),5.09(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.53(s,1H,17-H),4.52(s,2H,c-CH2 ),3.76-3.48(m,8H,a-H),3.25(dd,J=11.7,4.2Hz,1H,3-H),2.42(d,J=12.8Hz,1H,7-H),2.30(s,3H,Ph-CH3 ),2.26(d,J=12.0Hz,1H,12-H),1.96(d,J=17.0Hz,2H,7-H,12-H),1.91(s,3H,16-H),1.82-1.55(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(dd,J=13.1,4.3Hz,1H,6-H),1.17(t,J=12.8Hz,1H,1-H),1.07(d,J=12.3Hz,1H,5-H),0.99(s,3H,18-H),0.78(s,3H,19-H),0.70(s,3H,20-H).
产率:88%,熔点:113-115℃,质谱数据:C38H51FN4O5[M+H]+,计算值:663.3916,实测值:663.3902。
实施例8
5-氟-3-(4-氟苄基)-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6e)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-氟苄溴5.0mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.45(dd,J=8.4,5.4Hz,2H),7.22(s,0H),6.97(t,J=8.5Hz,2H),5.74(s,1H,14-H),5.09(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.56(s,2H,c-CH2 ),4.52(s,1H,17-H),3.81-3.41(m,8H,a-CH2 ),3.25(dd,J=11.8,4.3Hz,1H,3-H),2.42(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.95(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.83-1.57(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.41(qd,J=13.0,4.3Hz,1H,6-H),1.18(td,J=13.0,3.5Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.70(s,3H,20-CH3 ).
产率:82%,熔点:77-79℃,质谱数据:C37H48F2N4O5[M+H]+,计算值:667.3666,实测值:667.3655。
实施例9
3-(4-氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6f)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-氯苄溴5.5mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.39(d,J=8.2Hz,2H,2×Ph-H),7.29-7.25(m,3H,2×Ph-H,g-H),5.74(s,1H,14-H),5.08(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.55(s,2H,c-CH2 ),4.52(s,1H,17-H),3.79-3.45(m,8H,a-CH2 ),3.25(dd,J=11.5,2.6Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.96(m,J=14.2Hz,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.83-1.56(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(qd,J=13.0,4.3Hz,1H,6-H),1.16(td,J=13.2,3.7Hz,1H,1-H),1.06(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:85%,熔点:80-82℃,质谱数据:C37H48FClN4O5[M+H]+,计算值:683.3370,实测值:683.3353。
实施例10
3-(4-溴苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6g)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-溴苄溴6.7mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.42(d,J=8.0Hz,2H,2×Ph-H),7.33(d,J=8.1Hz,2H,2×Ph-H),7.22(s,1H,g-H),5.75(s,1H,14-H),5.07(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.55(s,2H,c-CH2 ),4.52(s,1H,17-H),3.79-3.45(m,8H,a-H),3.25(d,J=11.3Hz,1H,3-H),2.42(d,J=12.6Hz,1H,7-H),2.33-2.22(m,1H,12-H),2.00-1.93(m,2H,7-H,12-H),1.92(s,3H,16-H),1.83-1.57(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.47-1.37(m,1H,6-H),1.17(t,J=13.0Hz,1H,1-H),1.07(d,J=12.3Hz,1H,5-H),0.99(s,3H,18-H),0.77(s,3H,19-H),0.70(s,3H,20-H).
产率:88%,熔点:94-96℃,质谱数据:C37H48FBrN4O5[M+H]+,计算值:727.2865,实测值:727.2853。
实施例11
3-(2,4-二氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6h)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、2,4-二氯苄溴6.4mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.55(d,J=2.0Hz,1H,Ph-H),7.37(d,J=8.3Hz,1H,Ph-H),7.30(dd,J=8.3,2.1Hz,1H,Ph-H),7.23(s,1H,g-H),5.74(s,1H,14-H),5.06(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.55(s,2H,c-CH2 ),4.52(s,1H,17-H),3.82-3.45(m,8H,a-CH2 ),3.24(dd,J=11.7,4.4Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.33-2.21(m,1H,12-H),2.01-1.92(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.83-1.54(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(qd,J=12.9,4.2Hz,1H,6-H),1.13(td,J=13.0,3.5Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:75%,熔点:102-103℃,质谱数据:C37H47FCl2N4O5[M+H]+,计算值:717.2980,实测值:717.2960。
实施例12
3-(3,4-二氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6i)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、3,4-二氯苄溴6.4mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.38(s,1H,Ph-H),7.29(s,1H,g-H),7.16(s,1H,Ph-H),6.99(d,J=8.4Hz,1H,Ph-H),5.73(s,1H,14-H),5.22(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.56(s,2H,c-CH2 ),4.51(s,1H,17-H),3.76-3.44(m,8H,a-CH2 ),3.24(dd,J=11.7,4.4Hz,1H,3-H),2.41(ddd,J=12.7,4.3,2.3Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.96(m,J=17.2Hz,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.82-1.57(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.39(qd,J=13.0,4.3Hz,1H,6-H),1.16(td,J=13.1,3.8Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:83%,熔点:87-89℃,质谱数据:C37H47FCl2N4O5[M+H]+,计算值:717.2980,实测值:717.2963。
实施例13
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(4-甲氧基苄基)嘧啶-2,4(1H,3H)-二酮(化合物6j)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-甲氧基苄溴5.4mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(600MHz,CDCl3)δ7.41(d,J=8.3Hz,2H,2×Ph-H),7.20(s,1H,g-H),6.84-6.80(m,2H,2×Ph-H),5.74(s,1H,14-H),5.06(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.53(s,2H,c-CH2 ),4.52(s,1H,17-H),3.77(s,3H,Ph-OCH3 ),3.74-3.48(m,8H,a-CH2 ),3.25(dd,J=11.8,4.4Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.99-1.93(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.82-1.55(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.39(qd,J=13.0,4.3Hz,1H,6-H),1.16(td,J=13.3,3.7Hz,1H,1-H),1.07(dd,J=12.3,2.6Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.70(s,3H,20-CH3 ).
产率:85%,熔点:85-86℃,质谱数据:C38H51FN4O6[M+H]+,计算值:679.3865,实测值:679.3851。
实施例14
4-((5-氟-3-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-2,6-二氧代-3,6-二氢嘧啶-1(2H)-基)甲基)苯甲酸甲酯(化合物6k)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-溴甲基苯甲酸甲酯6.1mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(600MHz,CDCl3)δ7.96(d,J=8.0Hz,2H,2×Ph-H),7.47(d,J=7.9Hz,2H,2×Ph-H),7.34(s,1H,g-H),5.73(s,1H,14-H),5.16(s,2H,Ph-CH2 ),4.86(s,1H,17-H),4.57(d,J=8.6Hz,2H,c-CH2 ),4.51(s,1H,17-H),3.89(s,3H,O=C-OCH3 ),3.75-3.50(m,8H,a-CH2 ),3.24(dd,J=11.7,4.3Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.99-1.92(m,2H,7-H,12-H),1.89(s,3H,16-CH3 ),1.80-1.51(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.41(qd,J=13.0,4.3Hz,1H,6-H),1.15(td,J=13.1,3.5Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.98(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:70%,熔点:86-87℃,质谱数据:C39H51FN4O7[M+H]+,计算值:707.3815,实测值:707.3794。
实施例15
5-氟-3-三氟甲基-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-((4-三氟甲基)苄基)嘧啶-2,4(1H,3H)-二酮(化合物6l)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-三氟甲基苄溴6.4mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(600MHz,CDCl3)δ7.60-7.52(m,4H,4×Ph-H),7.24(s,1H,g-H),5.74(s,1H,14-H),5.17(s,2H,Ph-CH2 ),4.87(d,J=1.7Hz,1H,17-H),4.55(s,2H,c-CH2 ),4.52(s,1H,17-H),3.82-3.44(m,8H,a-CH2 ),3.24(dd,J=11.8,4.3Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.31-2.23(m,1H,12-H),1.99-1.92(m,2H,7-H,12-H),1.91(d,J=1.1Hz,3H,16-CH3 ),1.82-1.55(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(qd,J=13.0,4.3Hz,1H,6-H),1.16(td,J=13.2,3.7Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.70(s,3H,20-CH3 ).
产率:90%,熔点:100-102℃,质谱数据:C38H48F4N4O5[M+H]+,计算值:717.3634,实测值:717.3605。
实施例16
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-((4-三氟甲氧基)苄基)嘧啶-2,4(1H,3H)-二酮(化合物6m)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-三氟甲氧基苄溴6.8mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.53-7.45(m,2H,2×Ph-H),7.24(s,1H,g-H),7.18-7.10(m,2H,2×Ph-H),5.74(d,J=1.7Hz,1H,14-H),5.11(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.55(s,2H,c-CH2 ),4.52(s,1H,17-H),3.63(m,J=46.9Hz,8H,a-CH2 ),3.25(dd,J=11.7,4.4Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.33-2.21(m,1H,12-H),2.01-1.92(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.83-1.55(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(qd,J=12.8,4.3Hz,1H,6-H),1.16(td,J=13.1,3.8Hz,1H,1-H),1.07(dd,J=12.6,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.70(s,3H,20-CH3 ).
产率:80%,熔点:99-101℃,质谱数据:C38H48F4N4O6[M+H]+,计算值:733.3583,实测值:733.3568。
实施例17
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮(化合物6n)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-硝基苄溴5.8mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ8.16(d,J=8.7Hz,2H,2×Ph-H),7.59(d,J=8.7Hz,2H,2×Ph-H),7.25(s,1H,g-H),5.74(s,1H,14-H),5.21(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.56(s,2H,c-CH2 ),4.51(s,1H,17-H),3.78-3.47(m,8H,a-CH2 ),3.24(dd,J=11.7,4.4Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.33-2.22(m,1H,12-H),1.98-1.93(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.82-1.55(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.38(td,J=13.0,4.3Hz,1H,6-H),1.16(td,J=13.1,3.6Hz,1H,1-H),1.07(dd,J=12.7,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:88%,熔点:102-104℃,质谱数据:C37H48FN5O7[M+H]+,计算值:694.3611,实测值:694.3598。
实施例18
4-((5-氟-3-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-yl)-3-甲基戊-2-烯酰基)哌嗪-1-yl)-2-氧代乙基)-2,6-dioxo-3,6-二氢嘧啶-1(2H)-基)甲基)苯甲腈(化合物6o)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、4-溴甲基苯甲腈5.2mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(600MHz,CDCl3)δ7.60(d,J=8.0Hz,2H,2×Ph-H),7.55-7.50(m,2H,2×Ph-H),7.26(s,1H,g-H),5.74(s,1H,14-H),5.16(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.56(s,2H,c-CH2 ),4.51(s,1H,17-H),3.76-3.48(m,8H,a-CH2 ),3.24(dd,J=11.8,4.3Hz,1H,3-H),2.41(ddd,J=12.7,4.2,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.98-1.93(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.82-1.60(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.40(qd,J=13.0,4.3Hz,1H,6-H),1.16(td,J=13.3,3.7Hz,1H,1-H),1.07(dd,J=12.5,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:86%,熔点:87-88℃,质谱数据:C38H48FN5O5[M+H]+,计算值:674.3712,实测值:674.3707。
实施例19
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(萘-1-基甲基)嘧啶-2,4(1H,3H)-二酮(化合物6p)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、1-溴甲基萘5.9mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(600MHz,CDCl3)δ8.20(d,J=8.5Hz,1H,Ph-H),7.84(dd,J=8.1,1.2Hz,1H,Ph-H),7.75(d,J=8.1Hz,1H,Ph-H),7.55(ddd,J=8.3,6.7,1.3Hz,1H,Ph-H),7.49(ddd,J=8.0,6.8,1.1Hz,1H,Ph-H),7.38(t,J=7.7Hz,1H,Ph-H),7.31(s,2H,Ph-H,g-H),5.72(s,1H,14-H),5.64(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.51(s,3H,c-CH2 ,17-H),3.76-3.36(m,8H,a-CH2 ),3.24(dd,J=11.8,4.3Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.35-2.21(m,1H,12-H),1.94(m,J=12.9,6.3Hz,2H,7-H,12-H),1.90(s,3H,16-CH3 ),1.81-1.54(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.39(qd,J=13.0,4.1Hz,1H,6-H),1.15(td,J=13.3,3.8Hz,1H,1-H),1.06(dd,J=12.5,2.8Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:86%,熔点:103-104℃,质谱数据:C41H51FN4O5[M+H]+,计算值:699.3916,实测值:699.3896。
实施例20
5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(萘-2-基甲基)嘧啶-2,4(1H,3H)-二酮(化合物6q)的制备:
取粉背蕨酸-5-氟尿嘧啶哌嗪酰胺(5)粉末15mg加入2mL N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末3.7mg、2-溴甲基萘5.9mg,混合均匀后在室温下搅拌,待反应完全后,用水淬灭反应,乙酸乙酯萃取,饱和食盐水洗涤,无水硫酸钠干燥,最后将乙酸乙酯旋干。蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到目标化合物。
核磁数据如下:1H NMR(400MHz,CDCl3)δ7.90(s,1H,Ph-H),7.79(td,J=8.6,8.1,4.6Hz,3H,3×Ph-H),7.59-7.52(m,1H,Ph-H),7.48-7.41(m,2H,2×Ph-H),7.23(s,1H,g-H),5.73(s,1H,14-H),5.29(s,2H,Ph-CH2 ),4.87(s,1H,17-H),4.52(s,3H,c-CH2 ,17-H),3.78-3.45(m,8H,a-CH2 ),3.24(dd,J=11.7,4.4Hz,1H,3-H),2.41(ddd,J=12.8,4.3,2.4Hz,1H,7-H),2.33-2.21(m,1H,12-H),2.00-1.91(m,2H,7-H,12-H),1.91(s,3H,16-CH3 ),1.82-1.57(m,7H,1-H,2-CH2 ,6-H,9-H,11-CH2 ),1.39(qd,J=12.7,4.2Hz,1H,6-H),1.16(td,J=13.1,3.7Hz,1H,1-H),1.07(dd,J=12.6,2.7Hz,1H,5-H),0.99(s,3H,18-CH3 ),0.77(s,3H,19-CH3 ),0.69(s,3H,20-CH3 ).
产率:88%,熔点:101-103℃,质谱数据:C41H51FN4O5[M+H]+,计算值:699.3916,实测值:699.3906。
将合成的17个粉背蕨酸和5-氟尿嘧啶杂合物6a-6q以及顺铂进行抗肿瘤活性研究。
抗肿瘤活性实验步骤
(1)收集对数期细胞,调整细胞悬液浓度,每孔加入100μL,铺板使待测细胞调密度至3000-5000个细胞/孔。
(2)将细胞置于5%CO2,37℃细胞培养箱中培养约24小时后进行药物处理。一般配置5-7个梯度,每孔加入含不同浓度药物的培养基100μL,设3-5个复孔。
(3)5%CO2,37℃孵育72小时,倒置显微镜下观察。
(4)每孔加入10μL MTT溶液(5mg/mL),继续培养4h。若药物与MTT能够反应,可先离心后弃去培养液,小心用PBS冲2-3遍后,再加入含MTT的培养液。
(5)吸取孔中培养液,然后每孔加入150μL二甲基亚砜,振荡5-10分钟使结晶物充分溶解。在酶标仪OD 570nm处测量各孔的吸光值。
(6)同时设置调零孔(培养基、MTT、二甲基亚砜),对照孔(细胞、相同浓度的药物溶解介质、培养液、MTT、二甲基亚砜)。
各化合物对A549和MCF-7细胞的IC50如表1所示。
表1杂合物(6a-6q)和顺铂抗肿瘤活性结果
本发明分别以粉背蕨酸和5-氟尿嘧啶为底物,首先,5-氟尿嘧啶在碱的作用下与溴代乙酸发生取代反应得到中间产物5-氟尿嘧啶乙酸;其次,在缩合剂作用下,粉背蕨酸与哌嗪反应得到中间产物粉背蕨哌嗪酰胺;接着,前两步骤获得的两组分中间产物在缩合剂作用下反应,得到中间产物粉背蕨酸-5-氟尿嘧啶哌嗪酰胺;最后,在碱的作用下,中间产物粉背蕨酸-5-氟尿嘧啶哌嗪酰胺与苄基溴化合物反应得到粉背蕨酸-5氟尿嘧啶衍生物,并对这些化合物通过理化性质和多种波谱方法进行了结构鉴定。采用MTT法对合成的衍生物进行抗肿瘤活性筛选,以顺铂为阳性对照药。其中,大部分的衍生物均表现出一定的抗肿瘤活性,部分衍生物具有较好的抗肿瘤效果,例如衍生物6a、6b、6h和6i对MCF-7的抑制活性及衍生物6c、6d、6e、6g、6h和6i对A549的抑制活性较好,IC50均小于30μM。其中,对MCF-7的抑制活性最好的是衍生物6b,IC50为24.33±2.55μM;对A549的抑制活性最好的是衍生物6g,IC50为21.64±1.27μM。衍生物6h、6i为抗肿瘤活性综合表现较好的化合物。
以上所述仅为本发明的较佳实施例,对本发明而言仅仅是说明性的,而非限制性的。本专业技术人员理解,在本发明权利要求所限定的精神和范围内可对其进行许多改变,修改,甚至等效,但都将落入本发明的保护范围内。
Claims (10)
2.如权利要求1所述的一种粉背蕨酸和5-氟尿嘧啶杂合物,其特征在于,所述杂合物结构式为以下6a-6q中的任意一种:
其中,
化合物6a为3-苄基-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6b为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-3-(2-甲基苄基)-2,4(1H,3H)-二酮;
化合物6c为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(3-甲基苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6d为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(4-甲基苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6e为5-氟-3-(4-氟苄基)-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6f为3-(4-氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6g为3-(4-溴苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6h为3-(2,4-二氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6i为3-(3,4-二氯苄基)-5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6j为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(4-甲氧基苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6k为4-((5-氟-3-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-2,6-二氧代-3,6-二氢嘧啶-1(2H)-基)甲基)苯甲酸甲酯;
化合物6l为5-氟-3-三氟甲基-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-((4-三氟甲基)苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6m为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-((4-三氟甲氧基)苄基)嘧啶-2,4(1H,3H)-二酮;
化合物6n为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)嘧啶-2,4(1H,3H)-二酮;
化合物6o为4-((5-氟-3-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-yl)-3-甲基戊-2-烯酰基)哌嗪-1-yl)-2-氧代乙基)-2,6-dioxo-3,6-二氢嘧啶-1(2H)-基)甲基)苯甲腈;
化合物6p为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(萘-1-基甲基)嘧啶-2,4(1H,3H)-二酮;
化合物6q为5-氟-1-(2-(4-((E)-5-([1R,4aS,6R,8aS]-6-羟基-5,5,8a-三甲基-2-亚甲基十氢化萘-1-基)-3-甲基戊-2-烯酰基)哌嗪-1-基)-2-氧代乙基)-3-(萘-2-基甲基)嘧啶-2,4(1H,3H)-二酮。
3.一种如权利要求1或2所述的粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,包括如下步骤:
S1:将5-氟尿嘧啶与氢氧化钾粉末加入水中溶解,将反应体系升温至60℃搅拌,之后加入溴乙酸水溶液,待反应完全后,反应体系冷却至室温,缓慢滴加浓盐酸,直到析出大量白色固体,过滤,用水和乙醇洗涤得到的固体,得到中间产物5-氟尿嘧啶乙酸;
S2:取粉背蕨酸粉末加入二氯甲烷溶解,然后依次加入二异丙基乙基胺、N,N,N',N'-四甲基脲六氟磷酸盐和哌嗪,室温下搅拌,反应完全后,用水淬灭反应,萃取,洗涤,干燥有机相,旋干,蒸干后得到的粗产物,用硅胶柱层析的方法分离纯化,得到中间产物粉背蕨哌嗪酰胺;
S3:将步骤S1、S2中得到的物5-氟尿嘧啶乙酸和粉背蕨哌嗪酰胺加入二氯甲烷溶解,然后依次加入二异丙基乙基胺、N,N,N',N'-四甲基脲六氟磷酸盐,室温下搅拌,待反应完全后,萃取、洗涤、干燥有机相,旋干,蒸干后得到的粗产物,用硅胶层析的方法分离纯化,得到中间产物粉背蕨酸-5-氟尿嘧啶哌嗪酰胺;
S4:将步骤S3中得到的粉背蕨酸-5-氟尿嘧啶哌嗪酰胺加入N,N-二甲基甲酰胺溶解,然后依次加入碳酸钾粉末及有机溴化物,室温下搅拌,待反应完全后,用水淬灭反应,萃取,洗涤,干燥有机相,旋干,蒸干后得到的粗产物,用硅胶层析的方法分离纯化,即可得粉背蕨酸和5-氟尿嘧啶杂合物。
4.如权利要求3所述的一种粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,所述步骤S1、S2、S3、S4中,通过TLC点板查看反应是否完全转化。
5.如权利要求3所述的一种粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,所述步骤S2、S3、S4中萃取溶剂均为乙酸乙酯。
6.如权利要求3所述的一种粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,所述步骤S2、S3、S4中洗涤有机相为饱和食盐水。
7.如权利要求3所述的一种粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,所述步骤S2、S3、S4中干燥有机相为无水硫酸钠。
8.如权利要求3所述的一种粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,所述步骤S2中柱层析洗脱剂体积比为二氯甲烷:甲醇=10~20:1,所述步骤S3中柱层析洗脱剂体积比为二氯甲烷:甲醇=20~30:1,所述步骤S4中柱层析洗脱剂体积比为二氯甲烷:甲醇=30~50:1。
9.如权利要求3所述的一种粉背蕨酸和5-氟尿嘧啶杂合物的制备方法,其特征在于,所述步骤S4中的有机溴化物为含溴化苯结构的有机化合物。
10.一种如权利要求1或2所述的粉背蕨酸和5-氟尿嘧啶杂合物在制备抗肿瘤药物中的应用。
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