ONLINE ISSN : 1348-0715 PRINT ISSN : 0366-7022

Chemistry Letters Vol. 38 (2009) , No. 8 p.796

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Chlorophyll-derived Thermochromic Sensor Based on α-Amino Alcohol Adduct Formation via Reversible Intramolecular Cyclization Shin-ichi Sasaki1)2), Yuki Kotegawa1), Kimiko Azuma1), Michio Kunieda1) and Hitoshi Tamiaki1) 1) Department of Bioscience and Biotechnology, Faculty of Science and Engineering, Ritsumeikan University 2) Nagahama Institute of Bio-Science and Technology (Received May 22, 2009) 3-Trifluoroacetylchlorin possessing an ω-aminoalkyl chain at the 17-propionate residue was prepared to realize a chlorophyll-based supramolecule acting as a thermochromic switch. A THF solution of the synthetic sensor molecule appeared brown, while the solution color became purple at lower temperature due to the conversion of the trifluoroacetyl group to its α-amino alcohol adduct form in a molecule.

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	doi:10.1246/cl.2009.796
	JOI  JST.JSTAGE/cl/2009.796

Copyright (c) 2009 The Chemical Society of Japan

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