4.4 Article

Novel synthesis of alkoxy substituted oxa[9]helicenes by the reaction of helical quinone with alcohols

Journal

TETRAHEDRON LETTERS
Volume 52, Issue 49, Pages 6591-6593

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2011.09.126

Keywords

pTSA; Quinones; Bronsted acid; Furan; Cyclization; Helicenes

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The reaction reaction of helical quinone with alcohols in the presence of Bronsted acid such as para-toluenesulfonic acid (pTSA) or HCl proceeded smoothly to produce the corresponding alkoxy substituted oxa[9]helicenes in good yields. (C) 2011 Elsevier Ltd. All rights reserved.

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