Total synthesis of thelephantin O, vialinin A/terrestrin A, and terrestrins B-D |
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Authors: | Fujiwara Kenshu Sato Takuto Sano Yusuke Norikura Toshio Katoono Ryo Suzuki Takanori Matsue Hajime |
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Institution: | Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan. fjwkn@sci.hokudai.ac.jp |
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Abstract: | The first total synthesis of natural, unsymmetrical 2',3'-diacyloxy-p-terphenyls, thelephantin O (1) and terrestrins C and D (2 and 3, respectively), was achieved via a practical route which was also applicable to the synthesis of the symmetrical diesters vialinin A/terrestrin A (4) and terrestrin B (5). Compounds 1-5 exhibited cytotoxicity against cancer cells (HepG2 and Caco2) with IC(50) values of 13.6-26.7 μmol/L. |
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