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Synthesis 2004(6): 865-868
DOI: 10.1055/s-2004-815979
DOI: 10.1055/s-2004-815979
PAPER
© Georg Thieme Verlag Stuttgart · New York
An Efficient Synthesis of Tetraoxaquaterene Derivatives Starting from 2,2-Difurylpropane
Weitere Informationen
Received
8 December 2003
Publikationsdatum:
19. Februar 2004 (online)
Publikationsverlauf
Publikationsdatum:
19. Februar 2004 (online)
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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.
Key words
furans - ketones - macrocycles - calixarenes - quaterenes - supramolecular chemistry
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