Synthesis 2017; 49(09): 1983-1992
DOI: 10.1055/s-0036-1588376
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of 6,7-Dibromoflavone and Its Regioselective Diversification via Suzuki–Miyaura Reactions

Sándor Jordán
a   Department of Organic Chemistry, University of Debrecen, 4032 Debrecen, Egyetem tér 1, Hungary
,
Dávid Pajtás
a   Department of Organic Chemistry, University of Debrecen, 4032 Debrecen, Egyetem tér 1, Hungary
,
Tamás Patonay
a   Department of Organic Chemistry, University of Debrecen, 4032 Debrecen, Egyetem tér 1, Hungary
,
Peter Langer*
b   Department of Chemistry, Organic Chemistry, University of Rostock, Albert-Einstein-Str. 3a, 18059 Rostock, Germany
c   Leibniz-Institute for Catalysis e.V. at the University of Rostock (LIKAT), Albert-Einstein-Str. 3a, 18059 Rostock, Germany   Email: konya.krisztina@science.unideb.hu
,
Krisztina Kónya*
a   Department of Organic Chemistry, University of Debrecen, 4032 Debrecen, Egyetem tér 1, Hungary
› Author Affiliations
Further Information

Publication History

Received: 23 October 2016

Accepted after revision: 20 November 2016

Publication Date:
10 January 2017 (online)


Dedicated to the memory of Prof. Tamás Patonay

Abstract

The first synthesis pathway to 6,7-dibromoflavone and its transformations to 7-aryl-6-bromo- and 6,7-diarylflavones by Suzuki–Miyaura reactions are presented. Due to the different electronic effects of bromo substituents, the first attack proceeded with good site selectivity at position 7.

Supporting Information

 
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