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baiyuefei

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wangzzsc: 金币+5, ★★★★★最佳答案, 十分感谢！ 2016-04-24 20:37:13
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SCI检索的：
https://apps.webofknowledge.com/ ... age=1&doc=1
Direct Regioselective Esterification at O-2 of beta-Cyclodextrin and Hydrolysis by Neighboring-group Participation
作者:Wang, ZZ (Wang, Zhi-Zhong)[ 1 ] ; Ma, XP (Ma, Xuan-Ping)[ 1 ] ; Wei, XG (Wei, Xiao-Gang)[ 1 ]

E-JOURNAL OF CHEMISTRY

卷: 9
期: 3
页: 1562-1568
出版年: 2012

查看期刊信息

E-JOURNAL OF CHEMISTRY

出版商 HINDAWI PUBLISHING CORPORATION, 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA

ISSN: 0973-4945

研究领域 Chemistry

摘要
A simple and efficient strategy for direct regioselective esterification at O-2 of beta-cyclodextrin was developed by using the combination of N, N'-carbonyldiimidazole and carbonate buffer in 1,4-dioxane, which does not require large amounts of polar organic solvents such as DMF, toxic solvents such as CH3CN, or flammable bases such as NaH. Moreover, their hydrolyses by neighboring-group participation were observed. Mono-2-tosyl-beta-cyclodextrin was liable to epoxidation, while mono-2-(p-methylbenzoyl)-beta-cyclodextrin liable to isomerization. They had different mechanisms of hydrolysis.

关键词
作者关键词:beta-Cyclodextrin; Regioselective esterification; Neighboring-group participation; Hydrolysis

KeyWords Plus

ERIVATIVES; CATALYSIS

作者信息
通讯作者地址: Wang, ZZ (通讯作者) Ningxia Med Univ, Sch Pharm, Ningxia Engn Res Ctr Hui Med Modernizat, Ningxia 750004, Peoples R China.
  增强组织信息的名称
Ningxia Medical University

地址:  [ 1 ] Ningxia Med Univ, Sch Pharm, Ningxia Engn Res Ctr Hui Med Modernizat, Ningxia 750004, Peoples R China
  增强组织信息的名称
Ningxia Medical University

电子邮件地址:wangzzsc@yahoo.com

基金资助致谢
基金资助机构授权号
Natural Science Foundation of Ningxia Medical University  XT201001
查看基金资助信息关闭基金资助信息

Financial support from the Natural Science Foundation of Ningxia Medical University (No. XT201001) is gratefully acknowledged.

出版商
HINDAWI PUBLISHING CORPORATION, 410 PARK AVENUE, 15TH FLOOR, #287 PMB, NEW YORK, NY 10022 USA

类别 / 分类
研究方向:Chemistry

Web of Science 类别:Chemistry, Multidisciplinary

文献信息
文献类型:Article

语种:English

入藏号: WOS:000302358200060

ISSN: 0973-4945

其他信息
IDS 号: 919VI

Web of Science 核心合集中的 "引用的参考文献": 11

Web of Science 核心合集中的 "被引频次": 0

JCR® 类别 JCR 分区
CHEMISTRY, MULTIDISCIPLINARY  Q4

数据来自第 2014 版 Journal Citation Reports®

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