Synthesis 2006(1): 49-54  
DOI: 10.1055/s-2005-918431
PAPER
© Georg Thieme Verlag Stuttgart · New York

Reduction of 2,5-Bis(3′-indolyl)pyrazines to 2,5-Bis(3′-indolyl)piperazines: Synthesis of Bisindolylpiperazine Marine Alkaloids Dragmacidin A, B, and C

Fay Tonsiengsom, Fumiko Y. Miyake, Kenichi Yakushijin, David A. Horne*
Department of Chemistry, Oregon State University, Corvallis, OR 97333, USA
Fax: +1(541)7372062; e-Mail: horned@onid.orst.edu;
Further Information

Publication History

Received 1 May 2005
Publication Date:
25 October 2005 (online)

Abstract

A concise total synthesis of the bisindole alkaloids dragmacidin A, B and C is described that centers on the preparation and reduction of 2,5-bis(3′-indolyl)pyrazines to 2,5-bis(3′-indolyl)piperazines.