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A new antitumor agent: methyl sulfonium perchlorate of echinomycin
1Department of Chemistry, Korea Advanced Institute of Science and Technology, Taejon, Korea.
Bioorganic & Medicinal Chemistry Letters
|January 1, 1999
Abstract:
Newly modified-echinomycin such as S-methylated sulfonium perchlorate of echinomycin (1), monosulfoxide (2), disulfoxid (3) and sulfone (4) have been prepared and evaluated for in vitro biological activities of cytotoxicity against P388, B16 and SNU-16 as well as in vivo antitumor activity against murine leukemia P388 and melanoma B16.