CN108047355A - 双叶酸修饰的β-环糊精及其合成方法和应用 - Google Patents
双叶酸修饰的β-环糊精及其合成方法和应用 Download PDFInfo
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- 239000011724 folic acid Substances 0.000 title claims abstract description 25
- OVBPIULPVIDEAO-UHFFFAOYSA-N N-Pteroyl-L-glutaminsaeure Natural products C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)NC(CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-UHFFFAOYSA-N 0.000 title claims abstract description 23
- WHGYBXFWUBPSRW-FOUAGVGXSA-N beta-cyclodextrin Chemical compound OC[C@H]([C@H]([C@@H]([C@H]1O)O)O[C@H]2O[C@@H]([C@@H](O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O[C@H]3O[C@H](CO)[C@H]([C@@H]([C@H]3O)O)O3)[C@H](O)[C@H]2O)CO)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@@H]3O[C@@H]1CO WHGYBXFWUBPSRW-FOUAGVGXSA-N 0.000 title claims abstract description 23
- 235000019152 folic acid Nutrition 0.000 title claims abstract description 23
- 229960000304 folic acid Drugs 0.000 title claims abstract description 23
- 229920000858 Cyclodextrin Polymers 0.000 title claims abstract description 21
- 239000001116 FEMA 4028 Substances 0.000 title claims abstract description 20
- 229960004853 betadex Drugs 0.000 title claims abstract description 20
- 235000011175 beta-cyclodextrine Nutrition 0.000 title claims abstract description 18
- 238000010189 synthetic method Methods 0.000 title claims description 6
- 125000003929 folic acid group Chemical group 0.000 title 1
- 206010006187 Breast cancer Diseases 0.000 claims abstract description 16
- 208000026310 Breast neoplasm Diseases 0.000 claims abstract description 16
- -1 folic acid modified β-cyclodextrin Chemical class 0.000 claims abstract description 7
- 239000003937 drug carrier Substances 0.000 claims abstract description 5
- 229940125782 compound 2 Drugs 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229940125904 compound 1 Drugs 0.000 claims description 5
- 229940126214 compound 3 Drugs 0.000 claims description 2
- 229940014144 folate Drugs 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims 3
- 230000004048 modification Effects 0.000 claims 3
- 229930012538 Paclitaxel Natural products 0.000 abstract description 12
- 229960001592 paclitaxel Drugs 0.000 abstract description 12
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 abstract description 12
- 230000008685 targeting Effects 0.000 abstract description 8
- 229940079593 drug Drugs 0.000 abstract description 6
- 239000003814 drug Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000003786 synthesis reaction Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000001308 synthesis method Methods 0.000 abstract description 3
- HFHDHCJBZVLPGP-UHFFFAOYSA-N schardinger α-dextrin Chemical compound O1C(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC(C(O)C2O)C(CO)OC2OC(C(C2O)O)C(CO)OC2OC2C(O)C(O)C1OC2CO HFHDHCJBZVLPGP-UHFFFAOYSA-N 0.000 description 3
- 230000001225 therapeutic effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010033128 Ovarian cancer Diseases 0.000 description 1
- 206010061535 Ovarian neoplasm Diseases 0.000 description 1
- 241001149649 Taxus wallichiana var. chinensis Species 0.000 description 1
- 208000002495 Uterine Neoplasms Diseases 0.000 description 1
- 230000000259 anti-tumor effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 239000003560 cancer drug Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 102000006815 folate receptor Human genes 0.000 description 1
- 108020005243 folate receptor Proteins 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
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- 229940126585 therapeutic drug Drugs 0.000 description 1
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Abstract
本发明涉及双叶酸修饰的β‑环糊精及其合成方法和应用。本发明中以叶酸作为乳腺癌细胞的识别单元,以β‑环糊精作为治疗乳腺癌的药物紫杉醇的载药分子,通过叶酸修饰β‑环糊精,得到的β‑环糊精衍生物能够提高紫杉醇的溶解性、稳定性以及靶向性。本发明的合成步骤简单,原料物质易于获得,为治疗乳腺癌的药物载体的合成提供了一种新思路。
Description
技术领域
本发明涉及双叶酸修饰的β-环糊精及其合成方法和应用。
背景技术
紫杉醇是一种从裸子植物红豆杉的树皮分离提纯的天然次生代谢产物,经临床验证,具有良好的抗肿瘤作用,特别是对癌症发病率较高的卵巢癌、子宫癌和乳腺癌等有特效。近20年来,紫杉醇作为优良的抗乳腺癌药物被使用。但是,由于紫杉醇较低的水溶性、稳定性以及靶向性,其治疗功效并不够好。因此,设计合成紫杉醇的药物载体,解决其水溶性、稳定性和靶向性,是提高紫杉醇治疗功效的重要手段。
在乳腺癌细胞表面存在过量的叶酸受体,因此叶酸可以作为乳腺癌细胞的识别片段,将治疗药物靶向递送至乳腺癌细胞。环糊精具有略呈锥形的中空圆筒立体环状结构,具有良好的溶解度,其空洞结构能够负载紫杉醇等药物分子。因此,叶酸修饰环糊精有望成为治疗乳腺癌细胞的药物的负载和识别分子,并可以提高紫杉醇溶解性、稳定性和靶向性。
通常,可以用1个、2个或6个叶酸分子修饰β-环糊精。用1个叶酸分子修饰β-环糊精时,其对乳腺癌细胞的识别能力不足,而用6个叶酸分子修饰β-环糊精时,由于空间结构的位阻限制了靶向性。因此,比较合适的是用2个叶酸分子来修饰β-环糊精。
发明内容
针对现有技术的不足,本发明的目的是提供一种双叶酸修饰的β-环糊精及其合成方法。本发明中用叶酸修饰β-环糊精的6A和6D位,提高了载药分子对乳腺癌细胞的靶向性。本发明的合成步骤简单,原料物质易于获得,合成的载药分子提高了紫杉醇的溶解性、稳定性和靶向性。
本发明是通过以下技术方案实现的:
双叶酸修饰的β-环糊精,具有如下所示的结构:
所述β-环糊精的合成方法,包括以下步骤:
将化合物1(炔基-叶酸)溶于干燥的DMF中,加入化合物2(6A,6D-二-叠氮-β-环糊精),然后加CuI和Et3N,反应后得到化合物3,即双叶酸修饰的β-环糊精。
优选地,化合物1与化合物2的摩尔比为2:1。
优选地,反应的温度为室温。
优选地,反应的产率为75%。
本发明合成的双叶酸修饰的β-环糊精用作乳腺癌药物载体。
本发明的有益效果:本发明中以叶酸作为乳腺癌细胞的识别单元,以β-环糊精作为治疗乳腺癌的药物紫杉醇的载药分子,通过叶酸修饰β-环糊精,得到的β-环糊精衍生物能够提高紫杉醇的溶解性、稳定性以及靶向性。本发明的合成步骤简单,原料物质易于获得,为治疗乳腺癌的药物载体的合成提供了一种新思路。
具体实施方式
以下结合具体实施方式,对本发明作进一步说明。
将化合物1(80mg)溶解于干燥的DMF(5mL)中,加入化合物2(100mg),然后加入化合物2摩尔量10%的CuI和化合物2摩尔量10%的Et3N,在室温下反应后,得到产物双叶酸修饰的β-环糊精,产率为75%。
双叶酸修饰的β-环糊精的碳[13]谱数据如下:
[600MHz,D2O]数据:146.0,146.1,125.9,125.9,102.1,102.1,101.9,101.9,101.9,101.9,
101.8,83.0,83.4,81.0,81.1,81.2,81.3,81.3,81.4,81.3,81.4,61.4,61.0,61.0,61.0,60.7,51.2,51.3。
双叶酸修饰的β-环糊精的ESI-质谱数据如下:2172[M-H+42]-,2164[M+23]+。
以上核磁和质谱数据表面,合成了目标产物双叶酸修饰的β-环糊精。
Claims (6)
1.双叶酸修饰的β-环糊精,其特征在于,具有如下所示的结构:
2.权利要求1所述的双叶酸修饰的β-环糊精的合成方法,其特征在于,包括以下步骤:
将化合物1(炔基-叶酸)溶于干燥的DMF中,加入化合物2(6A,6D-二-叠氮-β-环糊精),然后加CuI和Et3N,反应后得到化合物3,即双叶酸修饰的β-环糊精。
3.根据权利要求2所述的双叶酸修饰的β-环糊精的合成方法,其特征在于,化合物1与化合物2的摩尔比为2:1。
4.根据权利要求2所述的双叶酸修饰的β-环糊精的合成方法,其特征在于,反应的温度为室温。
5.根据权利要求2所述的双叶酸修饰的β-环糊精的合成方法,其特征在于,反应的产率为75%。
6.双叶酸修饰的β-环糊精作为乳腺癌药物载体的应用。
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CN109666087A (zh) * | 2019-01-14 | 2019-04-23 | 哈尔滨师范大学 | 一种环糊精类衍生物及其制备方法与应用 |
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CN101809039A (zh) * | 2007-09-28 | 2010-08-18 | 那诺蒂克株式会社 | 叶酸修饰的环糊精化合物、其制备方法、靶向性药物传递系统用的药物传递剂、药物组合物及造影剂 |
CN107158410A (zh) * | 2017-02-28 | 2017-09-15 | 福州大学 | 一种具有肿瘤靶向性的叶酸‑壳聚糖‑Cy7聚合物及其制备方法 |
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Patent Citations (2)
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CN101809039A (zh) * | 2007-09-28 | 2010-08-18 | 那诺蒂克株式会社 | 叶酸修饰的环糊精化合物、其制备方法、靶向性药物传递系统用的药物传递剂、药物组合物及造影剂 |
CN107158410A (zh) * | 2017-02-28 | 2017-09-15 | 福州大学 | 一种具有肿瘤靶向性的叶酸‑壳聚糖‑Cy7聚合物及其制备方法 |
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Title |
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Cited By (2)
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CN109666087A (zh) * | 2019-01-14 | 2019-04-23 | 哈尔滨师范大学 | 一种环糊精类衍生物及其制备方法与应用 |
CN109666087B (zh) * | 2019-01-14 | 2021-04-30 | 哈尔滨师范大学 | 一种环糊精类衍生物及其制备方法与应用 |
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