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  1. Home
  2. TMU Publications / 北醫出版品
  3. .博碩士學位論文
  4. .97學年度
  5. Isosteviol化學結構修飾
 
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Isosteviol化學結構修飾

Other Title
Chemical Modification of Isosteviol
Type
thesis
Date Issued
2009-07-13
Author(s)
陳怡君
Advisor
林美香
Subjects
系所名稱:藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:林美香
共同指導教授:徐鳳麟
口試委員:李安榮;劉景平
中文關鍵字:化學修飾;雙萜
Abstract
Isosteviol為甜菊主要成分stevioside之水解產物。根據文獻記載具有降血壓、降血糖、抗發炎、抗菌和腫瘤等生物活性,過去曾有isosteviol經微生物轉換之衍生物被報導,但因轉換率不高無完整探討結構與活性之關係。本實驗室利用化學修飾法來進行isosteviol C16和C19等化學部位之結構修飾,並探討其生物活性,以尋求作藥物開發之先導化合物。 實驗中,已合成出C16-hydrazone衍生物105、 acyl amine衍生物106-113和amine衍生物115等10個化合物。另一方面,isosteviol C19之修飾,亦已合成出amide衍生物114、116、227、119和120、ether衍生物121、ester衍生物122共7個化合物。在activation AMPK in C2C12 cells實驗初步得知衍生物HSU-STD 012和HSU-STD 004在P-AMPK/T-AMPK 比值與AMPK活化比對照組AICAR比較活性高出4.2%和12%;而從activation glucose uptake in C2C12 cells之實驗中,則是以loperamid作正向對照組 (positive contol),根據實驗數據得知衍生物HSU-STD 001 (114.54 ± 0.95)、HSU-STD 003 (114.28 ± 0.56)和HSU-STD 004 (115.38 ± 1.45)較好,衍生物HSU-STD 015 (111.28 ± 0.66)和HSU-STD 023 (107.76 ± 1.07)次之。
URI
https://203.71.86.71/handle/123456789/13046
File(s)
No Thumbnail Available
Name

C0191158.pdf

Size

9.43 MB

Format

Adobe PDF

Checksum

(MD5):9a77cc6818125db722ae17a00003d23c

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