金或银离子催化的内炔基环丙基硅醚的分子内环化反应

J4 ›› 2009, Vol. 47 ›› Issue (4): 827-831.

金或银离子催化的内炔基环丙基硅醚的分子内环化反应

刘春丽^1,2, 班大明^1, 山本嘉则^3

1. 贵州大学精细化工研究中心, 贵阳 550025|2. 贵州师范大学化学与材料科学学院, 贵阳 550001;3. 日本东北大学大学院理学研究科化学系, 日本仙台 9808578

收稿日期:2008-09-18 出版日期:2009-07-26 发布日期:2009-08-24
通讯作者: 班大明 E-mail:bdaming@gznu.edu.cn.

Cationic Gold or Silver Catalyzed Intramolecular Carbocyclizationof Carbon Tethered Internal Alkynyl Cyclopropanol Silyl Ethers

LIU Chunli^1,2, BAN Daming^1, Yamamoto Yoshinori^3

1. Research and Development Center of Fine Chemicals, Guizhou University, Guiyang 550025, China;2. School of Chemistry and Material Science, Guizhou Normal University, Guiyang 550001, China;3. Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 9808578, Japan

Received:2008-09-18 Online:2009-07-26 Published:2009-08-24
Contact: BAN Daming E-mail:bdaming@gznu.edu.cn.

摘要/Abstract

摘要：

在金或银离子的催化下, 对7种内炔基环丙基硅醚化合物进行催化环化反应, 得到了相应的α,β不饱和环戊烯基酮的分子内环化产物, 最高收率为78%, 并通过红外光谱、核磁共振氢谱/碳谱证实了新化合物的结构, 提出了环化反应机理.

关键词: 金或银离子；非端炔基；分子内环化；反应机理

Abstract:

The reactions of seven carbon tethered internal alkynyl cyclopropanol silyl ethers under the catalyzation of cationic gold or silver af
forded the corresponding α,βunsaturated enone with the highest yield of 78%. The structures of these compounds were identified by IR, ¹ H NMR, ¹³C NMR spectra. The mechanism of cycloreaction was also dicussed.

Key words: cationic gold or silver, internal alkynyl, intramolecular carbocyclization, reaction mechanism

中图分类号:

O623.522

刘春丽, 班大明, 山本嘉则. 金或银离子催化的内炔基环丙基硅醚的分子内环化反应[J]. J4, 2009, 47(4): 827-831.

LIU Chun-Li, BAN Da-Meng, SHAN Ben-Jia-Ze. Cationic Gold or Silver Catalyzed Intramolecular Carbocyclizationof Carbon Tethered Internal Alkynyl Cyclopropanol Silyl Ethers[J]. J4, 2009, 47(4): 827-831.