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| 文章：Direct regioselective esterification at O-2 of β-cyclodextrin and hydrolysis by neighboring-group participation，E-J. Chem., 2012, 9: 1562-1568 |
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2楼2016-04-24 19:48:53
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文章题目：Direct regioselective esterification at O-2 of β-cyclodextrin and hydrolysis by neighboring-group participation |
3楼2016-04-24 19:57:22
4楼2016-04-24 19:58:58
【答案】应助回帖
★ ★ ★ ★ ★
心静_依然: 金币+5, 感谢应助 2016-04-24 22:02:12
心静_依然: 金币+5, 感谢应助 2016-04-24 22:02:12
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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 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) 隐藏增强组织信息的名称 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: 隐藏增强组织信息的名称 [ 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 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 期刊信息 Impact Factor (影响因子): Journal Citation Reports® 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 |
5楼2016-04-24 20:24:22
baiyuefei
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【答案】应助回帖
★ ★ ★ ★ ★
感谢参与，应助指数 +1
wangzzsc: 金币+5, ★★★★★最佳答案, 十分感谢！ 2016-04-24 20:37:13
心静_依然: LS-EPI+1, 感谢应助 2016-04-24 22:00:44
感谢参与，应助指数 +1
wangzzsc: 金币+5, ★★★★★最佳答案, 十分感谢！ 2016-04-24 20:37:13
心静_依然: LS-EPI+1, 感谢应助 2016-04-24 22:00:44
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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® |
6楼2016-04-24 20:26:52
