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5. Synthesis and antitumor activity of 20(S)-camptothecin derivatives. A-ring-substituted 7-ethylcamptothecins and their E-ring-modified water-soluble derivatives. Yaegashi T; Sawada S; Nagata H; Furuta T; Yokokura T; Miyasaka T Chem Pharm Bull (Tokyo); 1994 Dec; 42(12):2518-25. PubMed ID: 7697767 [TBL] [Abstract][Full Text] [Related]
6. Modification of the hydroxy lactone ring of camptothecin: inhibition of mammalian topoisomerase I and biological activity. Hertzberg RP; Caranfa MJ; Holden KG; Jakas DR; Gallagher G; Mattern MR; Mong SM; Bartus JO; Johnson RK; Kingsbury WD J Med Chem; 1989 Mar; 32(3):715-20. PubMed ID: 2537428 [TBL] [Abstract][Full Text] [Related]
7. Synthesis and preliminary anticancer evaluation of 10-hydroxycamptothecin analogs. Yu P; Xia L; Zhao J; Zhang G; Zhang Z; Lang M; Wang Y Biol Pharm Bull; 2012; 35(8):1295-9. PubMed ID: 22863928 [TBL] [Abstract][Full Text] [Related]
8. [Synthesis of camptothecin glycosides by phase transfer-catalysis and its inhibitory activity against topo I]. Li QY; Zhang Y; Yao LP; Fu YJ; Zu YG; Chen XQ; Zheng CY Yao Xue Xue Bao; 2005 Dec; 40(12):1116-21. PubMed ID: 16496676 [TBL] [Abstract][Full Text] [Related]
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10. Plant antitumor agents. 23. Synthesis and antileukemic activity of camptothecin analogues. Wani MC; Nicholas AW; Wall ME J Med Chem; 1986 Nov; 29(11):2358-63. PubMed ID: 3783593 [TBL] [Abstract][Full Text] [Related]
11. Synthesis and antitumor activity of 7-ethyl-9-alkyl derivatives of camptothecin. Gao H; Zhang X; Chen Y; Shen H; Sun J; Huang M; Ding J; Li C; Lu W Bioorg Med Chem Lett; 2005 Apr; 15(8):2003-6. PubMed ID: 15808456 [TBL] [Abstract][Full Text] [Related]
12. Synthesis of water-soluble (aminoalkyl)camptothecin analogues: inhibition of topoisomerase I and antitumor activity. Kingsbury WD; Boehm JC; Jakas DR; Holden KG; Hecht SM; Gallagher G; Caranfa MJ; McCabe FL; Faucette LF; Johnson RK J Med Chem; 1991 Jan; 34(1):98-107. PubMed ID: 1846923 [TBL] [Abstract][Full Text] [Related]
13. Synthesis and antitumor activity of a series of lactone-opened camptothecin derivatives. Zheng C; Li MZ; You TP; Tang WP; Lou LG J Asian Nat Prod Res; 2019 Jan; 21(1):51-61. PubMed ID: 29063792 [TBL] [Abstract][Full Text] [Related]
14. Plant antitumor agents. 22. Isolation of 11-hydroxycamptothecin from Camptotheca acuminata Decne: total synthesis and biological activity. Wall ME; Wani MC; Natschke SM; Nicholas AW J Med Chem; 1986 Aug; 29(8):1553-5. PubMed ID: 3735324 [TBL] [Abstract][Full Text] [Related]
15. Synthesis and antitumor activity of novel 10-substituted camptothecin analogues. Li Q; Zu Y; Shi R; Yao L; Fu Y; Yang Z; Li L Bioorg Med Chem; 2006 Nov; 14(21):7175-82. PubMed ID: 16870453 [TBL] [Abstract][Full Text] [Related]
16. Chemical modification of antitumor alkaloids, 20(S)-camptothecin and 7-ethylcamptothecin: reaction of the E-lactone ring portion with hydrazine hydrate. Yaegashi T; Sawada S; Furuta T; Yokokura T; Yamaguchi K; Miyasaka T Chem Pharm Bull (Tokyo); 1993 May; 41(5):971-4. PubMed ID: 8339343 [TBL] [Abstract][Full Text] [Related]
17. Ethyl substitution at the 7 position extends the half-life of 10-hydroxycamptothecin in the presence of human serum albumin. Burke TG; Mi Z J Med Chem; 1993 Aug; 36(17):2580-2. PubMed ID: 8355258 [No Abstract] [Full Text] [Related]
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19. [Antitumor activity of new derivatives of camptothecin]. Nitta K; Yokokura T; Sawada S; Kunimoto T; Tanaka T; Uehara N; Baba H; Takeuchi M; Miyasaka T; Mutai M Gan To Kagaku Ryoho; 1987 Mar; 14(3 Pt 2):850-7. PubMed ID: 3566296 [TBL] [Abstract][Full Text] [Related]
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