Gold(I)-catalyzed intramolecular hydroarylation and the subsequent ring enlargement of methylenecyclopropanes to cyclobutenes

被引：24
|
作者：
Fang, Wei [1 ,2 ]
Tang, Xiang-Ying [3 ]
Shi, Min [1 ,2 ,3 ]
机构：
[1] E China Univ Sci & Technol, Key Lab Adv Mat, Meilong Rd 130, Shanghai 200237, Peoples R China
[2] E China Univ Sci & Technol, Inst Fine Chem, Meilong Rd 130, Shanghai 200237, Peoples R China
[3] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organometall Chem, 354 Fenglin Lu, Shanghai 200032, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 46期
基金：
中国国家自然科学基金;
关键词：
ACID-MEDIATED CYCLOADDITION; OPENING REACTIONS; SUBSTITUTED METHYLENECYCLOPROPANES; CYCLOPROPYLMETHYL CATION; PYRROLIDINE SKELETONS; ACETYLENIC-COMPOUNDS; HIGHLY EFFICIENT; LEWIS; GOLD; CYCLIZATION;
D O I：
10.1039/c6ra02549h
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The gold(I)-catalyzed intramolecular hydroarylation of methylenecyclopropanes containing aryl propargyl ethers proceeded smoothly to give 2H-chromene derivatives in good to excellent yields under mild conditions. Furthermore, in the presence of IPrAuSbF6, these 2H-chromene derivatives containing a methylenecyclopropane could undergo ring enlargement to give the corresponding cyclobutenes.
引用
收藏
页码：40474 / 40479
页数：6
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