Synthesis 2009(10): 1708-1714  
DOI: 10.1055/s-0029-1216786
PAPER
© Georg Thieme Verlag Stuttgart ˙ New York

Efficient Synthesis of Azo Dye Labeled Terpenes, Sugars, and Steroids Using N-(4-Arylazobenzoyl)-1H-benzotriazoles

Alan R. Katritzky*a, Srinivasa R. Talaa, Nader E. Abo-Dyaa,b, Zakaria K. Abdel-Samiib
a Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200, USA
Fax: +1(352)3929199; e-Mail: katritzky@chem.ufl.edu;
b Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Zagazig University, Zagazig 44519, Egypt
Further Information

Publication History

Received 13 November 2008
Publication Date:
27 April 2009 (online)

Abstract

N-(4-Arylazobenzoyl)-1H-benzotriazoles react with hydroxyterpenes­, sugars, and steroids in the presence of 1,8-diaza­bicyclo[5.4.0]undec-7-ene (DBU) at room temperature in tetrahydrofuran to afford azo dye labeled terpenes, sugars, and steroids (45-82% yield).