A Route to Amino Functionalized Hypericin Derivatives and their Chemical and Photochemical Properties Pertaining to Photodynamic Therapy |
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| Authors: | Bernd Lackner Klaus Bretterbauer Clemens Schwarzinger and Heinz Falk |
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| Institution: | (1) Institute of Chemistry, Academia Sinica, 128 Academia Road, Section 2, Nankang, Taipei, 115, Taiwan, ROC;(2) Department of Chemistry, State University of New York at Binghamton, Binghamton, NY 13902-6016, USA; |
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| Abstract: | Syntheses of amino functionalized hypericin derivatives could be achieved starting from the recently prepared emodin derived
1,3,8-trimethoxy-6-amino-9,10-anthraquinone. Our strategies for the preparation of 10,11-didemethyl-10,11-diaminohypericin,
10,11-didemethyl-10,11-di(acetylamino) hypericin, and its hypericinoidic diazepine derivative include synthetical modifications
on the levels of the anthraquinone, anthron, and the phenanthroperylenequinone system itself. The chemical as well as photochemical
properties of these unique hypericin derivatives, which might constitute new photodynamic therapy agents, are reported. |
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