Issue 46, 2016, Issue in Progress

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

Abstract

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.

Graphical abstract: Gold(i)-catalyzed intramolecular hydroarylation and the subsequent ring enlargement of methylenecyclopropanes to cyclobutenes

Supplementary files

Article information

Article type
Paper
Submitted
28 Jan 2016
Accepted
01 Apr 2016
First published
06 Apr 2016

RSC Adv., 2016,6, 40474-40479

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

W. Fang, X. Tang and M. Shi, RSC Adv., 2016, 6, 40474 DOI: 10.1039/C6RA02549H

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