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Proton‐Transfer‐Dependent Reversible Phase Changes in the 4,4′‐Bipyridinium Salt of Squaric Acid

1994; Wiley; Volume: 33; Issue: 2 Linguagem: Inglês

10.1002/anie.199401811

1521-3773

Manfred T. Reetz, Sigurd Höger, Klaus Harms,

DNA and Nucleic Acid Chemistry

Angewandte Chemie International Edition in EnglishVolume 33, Issue 2 p. 181-183 Communication Proton-Transfer-Dependent Reversible Phase Changes in the 4,4′-Bipyridinium Salt of Squaric Acid† Prof. Dr. Manfred T. Reetz, Corresponding Author Prof. Dr. Manfred T. Reetz Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (FRG), Telefax: Int. code + (208)306-2985Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (FRG), Telefax: Int. code + (208)306-2985Search for more papers by this authorDr. Sigurd Höger, Dr. Sigurd Höger Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (FRG), Telefax: Int. code + (208)306-2985Search for more papers by this authorDr. Klaus Harms, Dr. Klaus Harms Fachbereich Chemie der Universität, Hans-Meerwein-Strasse, D-35043 Marburg (FRG)Search for more papers by this author Prof. Dr. Manfred T. Reetz, Corresponding Author Prof. Dr. Manfred T. Reetz Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (FRG), Telefax: Int. code + (208)306-2985Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (FRG), Telefax: Int. code + (208)306-2985Search for more papers by this authorDr. Sigurd Höger, Dr. Sigurd Höger Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr (FRG), Telefax: Int. code + (208)306-2985Search for more papers by this authorDr. Klaus Harms, Dr. Klaus Harms Fachbereich Chemie der Universität, Hans-Meerwein-Strasse, D-35043 Marburg (FRG)Search for more papers by this author First published: February 1, 1994 https://doi.org/10.1002/anie.199401811Citations: 67 † This work was supported by the Deutsche Forschungsgemeinschaft (Leibniz-Program) and the Fonds der Chemischen Industrie. AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Graphical Abstract A color change from yellow to red is observed on heating the bipyridinium salt of squaric acid (1). This reversible process is based on a proton transfer during the phase change. According to the Bürgi–Dunitz structure-correlation principle, the structure of the anion in solid 1 represents a point on the reaction coordinate of the deprotonation of squaric acid. Citing Literature Volume33, Issue2February 1, 1994Pages 181-183 RelatedInformation