药用天然产物全合成四川大学博士考试

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Syntheses of Natural Medicines
秦勇教授, 王光明教授,邓金根教授,张国林教授
• 课程主要内容: 课程讲授药用天然产物全合成,着重强调天然 产物骨架的有效构建方法,如何从小分子片断 或从结构相关的、资源丰富的天然产物合成结 构复杂的天然药物。授课内容包括如下四个部 分:1) 药用吲哚生物碱的合成;2)头孢类抗生 素合成及新药研发的一般程序;3) 药用大环多 肽的合成;4) 异戊二烯类天然产物的生物合成。
3. Long historic usage: Traditional Chinese medicines; Poisons for hunting, murder; euphoriants, psychedelics and stimulants in religious activities; drug abuse-serious social problem
Syntheses of Natural Medicines
秦勇教授, 王光明教授,邓金根教授,张国林教授
• 课程进度安排: 第一周:药用吲哚生物碱慨述。第二周至第三 周:长春花碱的合成。第四周:马钱子碱和利 血平的合成。第五周至第八周:头孢类抗生素合 成及新药研发的一般程序。第十周:天然环肽 的分离、纯化和结构鉴定。第十一周:环肽的 合成方法学。第十二周至第十三周:药用天然 环肽的合成。第十四周:C5单元的合成及组合。 第十五周:单萜、倍半萜和二萜的合成。第十 六周至第十七周:二倍半萜、三萜和类胡萝卜 素的合成。
NN HH
Indigo (靛兰) “当归龙惠丸”
Syntheses of Natural Medicines Structural Summaries of Medicinal Indole Alkaloids
Blood pressure lowing agents
MeO
N
N HHHHFra bibliotekOMeOOC
N
OH
MeO
N
OAc
MeH
COOMe
Vinblastine
➢Isolated in 1958 from Cathrathus roseus: 1) Nobel, R. L. et al. Ann. N.Y. Acad. Sci. 1958, 76, 882; 2) Svoboda, G.H. et al. J. Am. Pharm. Assoc. Sci. Ed. 1959,
4. Human interest-Pharmacological activities, lead compounds to synthetic analogue-drugs
Safe Drug-SAR on Vinblastine Leading to Navalbine
N
OH COOMe N H
48, 659.

L1210
RCC-2 Colon Microtuble
Leukemia Adenocarcinoma Assembly
IC50 (nM) 0.4
3
300
N
OH COOMe N H
N
OH
MeO
N
OAc
Me H
COOMe
Navalbine
➢In the middle of 1960s was used in clinic for treatment of nonmalignant disease and malignant disease: Hodgkin’s lymphoma, testicular cancer, bladder cancer; melanoma, lung cancer, breast cancer
O
OMe
Reserpine (利血平)
OMe OMe
OMe
N N HH
H MeOOC
H Me
O
Ajamalicine(阿吗碱)
OH H
N OH N HH
Ajamaline (阿吗灵)
Syntheses of Natural Medicines Structural Summaries of Medicinal Indole Alkaloids
Syntheses of Natural Medicines General Introduction of Indole Alkaloids
1. Structurally most diverse natural product, over 5000 has been identified
2. Most from plant kingdom, also from fungi,insects and mammals
Vinblastine (长春花碱)
Syntheses of Natural Medicines Structural Summaries of Medicinal Indole Alkaloids
Anti-leukemia O
OO
N
NH
HO
Indirubin (靛玉红) “当归龙惠丸”
0.05%
Structural Summaries of Medicinal Indole Alkaloids
Anticancer agents
N
OH
COOMe N H
N
MeO
H OH
N
OAc
CHO COOMe
Vincristine (长春花新碱)
N
OH
COOMe N H
N
OH
MeO
N
OAc
Me H
COOMe
➢Strong toxicity and side effects Combined usage with other anticancer reagents: methotrexate, daunomycin, cyclophosphamide
Syntheses of Natural Medicines
HOOC
NMe
NH Lysergic acid (麦角酸)
HO OH
NN OH
OH
Bipolaramide Antibiotic
O H
H HN
N
N
N H
HH O
Amauromine Antibiotic, vasodilator
Syntheses of Natural Medicines Structural Summaries of Medicinal Indole Alkaloids
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