Synthesis of γ-and δ-lactones derived fr
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Claire Clémencin-Le Guillou; Sylviane Giorgi-Renault; Jean-Charles Quirion; Henr
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Article
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1997
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Elsevier Science
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French
⚖ 234 KB
New quinolones 3, 6 and 9 mmelated to either a 5-raembered or a 6-membered lactone were designed as hybrids of antibacterial 4-quinolones and antitumor epipodophyllotoxin derivatives. They were synthezised using ethyl 2-ethenyl-4-hydroxy-l,2-dihydroquinoline-3-carboxylate 2 as a key intermediate.