×
验证码:
换一张
忘记密码?
记住我
×
登录
中文版
|
English
中国科学院昆明植物研究所知识管理系统
Knowledge Management System of Kunming Institute of Botany,CAS
登录
注册
ALL
ORCID
题名
作者
学科领域
关键词
资助项目
文献类型
出处
收录类别
出版者
发表日期
存缴日期
学科门类
学习讨论厅
图片搜索
粘贴图片网址
首页
研究单元&专题
作者
文献类型
学科分类
知识图谱
新闻&公告
在结果中检索
研究单元&专题
昆明植物所硕博研究生... [1]
作者
文献类型
学位论文 [1]
发表日期
2010 [1]
语种
中文 [1]
出处
资助项目
This thesi... [1]
收录类别
资助机构
×
知识图谱
KIB OpenIR
开始提交
已提交作品
待认领作品
已认领作品
未提交全文
收藏管理
QQ客服
官方微博
反馈留言
浏览/检索结果:
共1条,第1-1条
帮助
限定条件
资助项目:This thesis elaborated the studies on the alkaloids from three Daphniphyllum species, the leaves and twigs of Daphniphyllum himalense (Benth.) Mull.-Arg., Daphniphyllum paxianum Rosenth., and Daphniphyllum oldhami Rosenth. along with alkaloids from root-stems of Lycoris radiate. Seventy-nine alkaloids were acquired totally from those four plants by variety of chromatographies over various materials, and their structures were identified by spectroscopic data analysis. Among them, sixteen Daphniphyllum alkaloids were new ones, including two novel ones with unprecedented skeleton.Chapter 1 Alkaloids from Daphniphyllum himalense (Benth.) Mull.-Arg.Twenty-four alkaloids, including seven new Daphniphyllum alkaloids were isolated and elucidated from the leaves of D. himalense (Benth.) Mull.-Arg. Among the seven new alkaloids, compound 1 (daphhimalenine A) was a novel one with rearranged skeleton. Biogenetically, compound 1 may originated from the two yuzurimine-type alkaloids, 2 (daphhimalenine B) and 3 (daphnezomine T), which were also isolated from the same plants. Seven alkaloids were also isolated and identified from the twigs of D. himalense (Benth.) Mull.-Arg.Chapter 2 Alkaloids from Daphniphyllum paxianum Rosenth.Investigation of alkaloid constituents of the leaves and twigs of Daphniphyllum paxianum Rosenth. has resulted in the isolation of seventeen alkaloids. And five were new ones. Among them, compound 1 (paxiphylline A) was a novel Daphniphyllum alkaloid with an unprecedented additional carbon daphnicyclidin skeleton. From a biogenetic perspective, the “extra” carbon unit may be provided by formaldehyde through aldol condensation.Chapter 3 Alkaloids from Daphniphyllum oldhami Rosenth.In this work, twelve alkaloids, including four new ones, were isolated and elucidated from the leaves of Daphniphyllum oldhami Rosenth. Among them, compound 2 (dapholdhamine B) was the third daphnezomine types of Daphniphyllum alkaloid till now.Chapter 4 Alkaloids from Lycoris radiate.Nineteen alkaloids were isolated and elucidated from rough alkaloids of the root-stems of Lycoris radiate, which was bought from Guangde Bio-tech Ltd of Kunming. The inhibition activities against HBV of these alkaloids were evaluated which indicated that some subclass of benzylphenethylamine alkaloids has high inhibition activities against DNA replication of HBV. Meanwhile, structural modification of several types of benzylphenethylamine alkaloids were in progress.Chapter 5 Review.Advances research of Mannich-like reactions in terpenoids alkaloids, including monoterpenoid indole alkaloids as the “true alkaloids”, diterpenoid alkaloids as the “pseudo alkaloids”, and the Daphniphyllum alkaloids as the “unusal alkaloids” from biosynthetic and total synthesis point of view was reviewed.
已选(
0
)
清除
条数/页:
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
排序方式:
请选择
发表日期升序
发表日期降序
WOS被引频次升序
WOS被引频次降序
题名升序
题名降序
提交时间升序
提交时间降序
作者升序
作者降序
期刊影响因子升序
期刊影响因子降序
三种虎皮楠属植物及石蒜生物碱成分研究
学位论文
: 中国科学院研究生院, 2010
张于
Adobe PDF(3248Kb)
  |  
收藏
  |  
浏览/下载:378/34
  |  
提交时间:2013/01/28