Amphimic acids and related long-chain fa
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Takayuki Nemoto; Go Yoshino; Makoto Ojika; Youji Sakagami
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Article
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1997
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Elsevier Science
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French
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Several C27-C30 unsaturated fatty acids have been isolated from an Australian sponge, Amphimedon sp., as human DNA topoisomerasΒ’ I inhibitors. Three of them, amphimic acids A (1)-C (3), are unusual fatty acids possessing a cyclopropylidene group, and one is a new C30 fatty acid 4. Their structures