Synthesis and antitumor activity of novel 10-amino acids ester homocamptothecin analogues

来源 :中国化学快报(英文版) | 被引量 : 0次 | 上传用户:ZYONGF
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Nine racemic homocamptothecin derivatives were synthesized and in vitro antitumor activities were evaluated by standard MTT method.The results showed that some of the compound had higher antitumor activity than iritecan.
其他文献
A new bakkenolide-type compound,bakkenolide-Va(1),was isolated from the rhizome of Petasites tricholobus.The structure was characterized on the basis of various
Two new steroidal glucosides,26-O-β-D-glucopyranosyl (25S)-furost-5-ene-1β,3β,22α,26-tetraol 1-O-β-D-xylopyranosyl-(1→3)-[α-L-rhamnopyranosyl-(1→2)]-β-
A new cafferic ester,(+)-2-(1-hydroxyl-4-oxocyclobexyl) ethyl caffeate,was isolated from the 80% ethanol extract of the whole plants of Incarvillea mairei var.g
A new ionone glycoside (6R,9R)-blumenyl α-L-rhanmopyranosyl-(1→6)-β-D-gluco-pyranoside (1),together with a new natural product 2-methoxyl-4-trans-propenyl-ph
Ligudentatin A 1,a new phenolic norsesquiterpenes,was first synthesized starting from (+)-periUaldehyde 3 through five steps,successively,in an overall yield of
The esterifications of 9-(hydroxyimino)-4-methyl-8,9-dihydrofuro[2,3-h]chromen-2-one (4) with acid chlorides afforded normal oxime-esters 3a-e in 35-78% yields
AIM: To investigate the effect of a new infant formula supplemented with a low level (0.24 g/100 mL) of galacto-oligosaccharide (GOS) on intestinal micro-fiord
Phenylazonaphthalene peptide nucleic acid (PNA) monomers were successfully synthesized,and their photoisomerization was examined.The new PNA monomers showed rev
Interactions between plants and microbes result in plant disease and symbiosis. The former causes considerable economic damage in modern agriculture, while the
2-Oxo-3R,4S,5S,6S-tetraethoxyazepane was conveniently synthesized from D-glucono-1,5-lactone with a yield of 10% overall.The key step of synthetic route-reducti