Synthesis 2013; 45(10): 1387-1405
DOI: 10.1055/s-0032-1316906
paper
© Georg Thieme Verlag Stuttgart · New York

Selective Sequential Cross-Coupling Reactions on Imidazole towards Neurodazine and Analogues

Lisa-Maria Recnik
a   Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163-OC, 1060 Vienna, Austria   Fax: +43(1)58801163616   Email: michael.schnuerch@tuwien.ac.at   Email: marko.mihovilovic@tuwien.ac.at
,
Mohammed Abd El Hameid
b   Faculty of Pharmacy, Cairo University, 33 Kasr El-Aini Street, P.O. Box 11562, Cairo, Egypt
,
Maximilian Haider
a   Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163-OC, 1060 Vienna, Austria   Fax: +43(1)58801163616   Email: michael.schnuerch@tuwien.ac.at   Email: marko.mihovilovic@tuwien.ac.at
,
Michael Schnürch*
a   Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163-OC, 1060 Vienna, Austria   Fax: +43(1)58801163616   Email: michael.schnuerch@tuwien.ac.at   Email: marko.mihovilovic@tuwien.ac.at
,
Marko D. Mihovilovic*
a   Institute of Applied Synthetic Chemistry, Vienna University of Technology, Getreidemarkt 9/163-OC, 1060 Vienna, Austria   Fax: +43(1)58801163616   Email: michael.schnuerch@tuwien.ac.at   Email: marko.mihovilovic@tuwien.ac.at
› Author Affiliations
Further Information

Publication History

Received: 03 December 2012

Accepted after revision: 20 March 2013

Publication Date:
04 April 2013 (online)


Abstract

Polysubstituted imidazoles represent a common structural motif in bioactive molecules. A modular and flexible strategy towards 2,4,5-triarylated imidazoles is reported applying a Suzuki–Miyaura cross-coupling protocol. Employing 1-protected 2,4,5-tribromoimidazole as starting material, both stepwise and one-pot protocols towards the title compounds are disclosed. The utility of the approach was demonstrated by synthesizing neurodazine, a biologically active molecule affecting neuronal cell differentiation.