Design of antineoplastic agents based on the "2-phenylnaphthalene-type" structural pattern. 4. Synthesis and biological activity of 2-chloro-3-(substituted phenoxy)-1, 4-naphthoquinones and related 5,8-dihydroxy-1,4-naphthoquinones |
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Authors: | HX Chang TC Chou N Savaraj LF Liu C Yu CC Cheng |
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Affiliation: | Drug Development Laboratory, Department of Pharmacology, Toxicology & Therapeutics, The University of Kansas Medical Center, Kansas City, Kansas 66160-7419, USA. |
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Abstract: | The intermediate in the preparation of 1,3,7, 10-tetrahydroxybenzob]naphtho2,3-d]furan-6,11-dione (2), 2-chloro-5,8-dimethoxy-3-(3,5-dimethoxyphenoxy)-1,4-naphthoquinone (8h), and corresponding hydroxyl, methoxyl, and acetoxyl analogues was found to possess interesting inhibitory activities in a number of cytotoxic test systems. Activities were also noticed in some 5, 8-dihydroxy-1,4-naphthoquinone derivatives. A structure-activity discussion of compounds of this series is presented. The newly uncovered biological activity of 2-chloro-3-(substituted phenoxyl)-1, 4-naphthoquinones and 2,3-bis(substituted phenoxy)-1, 4-naphthoquinones may suggest an approach for the development of new classes of antineoplastic agents. |
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