Organic Chemistry Portal

Abstracts

Search:

A New Route to Substituted Phenols by Cationic Rhodium(I)/BINAP Complex-Catalyzed Decarboxylative [2 + 2 + 2] Cycloaddition

Hiromi Hara, Masao Hirano and Ken Tanaka*

*Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan, Email: tanaka-kcc.tuat.ac.jp

H. Hara, M. Hirano, K. Tanaka, Org. Lett., 2009, 11, 1337-1340.

DOI: 10.1021/ol900123d (free Supporting Information)



see article for more reactions

Abstract

A cationic rhodium(I)/BINAP complex-catalyzed decarboxylative [2 + 2 + 2] cycloaddition of 1,6- and 1,7-diynes with commercially available vinylene carbonate enables a new route to substituted phenols.

see article for more examples



Cationic Rhodium(I)/Modified-BINAP Catalyzed [2+2+2] Cycloaddition of Alkynes with Nitriles

K. Tanaka, N. Suzuki, G. Nishida, Eur. J. Org. Chem., 2006, 3917-3922.


Key Words

Cyclization, Indanes, Tetrahydronaphthalenes


ID: J54-Y2009-0860