Synthesis 2004(6): 865-868  
DOI: 10.1055/s-2004-815979
PAPER
© Georg Thieme Verlag Stuttgart · New York

An Efficient Synthesis of Tetraoxaquaterene Derivatives Starting from 2,2-Difurylpropane

Robert Pajewskia, Ryszard Ostaszewskia, Krzysztof Ziachb, Artur Kuleszab, Janusz Jurczak*a,b
a Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
b Department of Chemistry, Warsaw University, Pasteura 1, 02-093 Warsaw, Poland
Fax: +48(22)8230944; e-Mail: jjurczak@chem.uw.edu.pl;
Further Information

Publication History

Received 8 December 2003
Publication Date:
19 February 2004 (eFirst)

Abstract

Four non-symmetric tetraoxaquaterenes (5, 6, 8, and 9) and two cyclic hexamers 11 and 13 were efficiently prepared via the condensation reaction of furyl precursors 3 and 4 with various ketones, catalysed by 90.5% sulfuric acid.