Synthesis 2007(20): 3125-3128  
DOI: 10.1055/s-2007-990788
PAPER
© Georg Thieme Verlag Stuttgart · New York

An Efficient Preparation of Bis(indole)methanes Catalyzed by Tetrakis[3,5-bis(trifluoromethyl)phenyl]borate Salts in Aqueous Medium

Bei-Sih Liao, Jwu-Ting Chen, Shiuh-Tzung Liu*
Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
Fax: +886(2)23636359; e-Mail: stliu@ntu.edu.tw;
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Publikationsverlauf

Received 11 June 2007
Publikationsdatum:
21. September 2007 (online)

Abstract

An efficient and direct preparation of bis(indole)methanes from indole and the corresponding carbonyl compound in water catalyzed by metal salts of tetrakis[3,5-bis(trifluoromethyl)phenyl]borate has been developed.