Synlett 2004(14): 2541-2544  
DOI: 10.1055/s-2004-834826
LETTER
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Coumarins Catalyzed by Heterobimetallic Co/Rh Nanoparticles

Kang Hyun Park, Il Gu Jung, Young Keun Chung*
School of Chemistry, College of Natural Sciences, Seoul National University, Seoul 151-742, Korea
Fax: +82(2)8890310; e-Mail: ykchung@plaza.snu.ac.kr;
Further Information

Publication History

Received 18 August 2004
Publication Date:
20 October 2004 (online)

Abstract

Described here is the use of cobalt/rhodium (Co2Rh2) heterobimetallic nanoparticles in the catalytic synthesis of coumarins via cyclocarbonylation of alkynes with 2-iodophenol under 1 atm of carbon monoxide and reaction of phenol with propiolic ­esters.