Journal
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
Volume 44, Issue 3, Pages 1257-1264Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2008.09.007
Keywords
3,5-Bis(arylmethylene)-1-methyl-4-piperidinones; Dispiro[3H-indole-3,2 '-pyrrolidine-3 ',3 ''-piperidine]-2(1H),4 ''-diones; Azomethine ylides; Anti-tumor; Anti-inflammatory
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Funding
- US-Egypt Science and Technology Joint Fund [MAN10-007-002]
- Swedish International Development Cooperation Agency (SIDA) for the International Collaborative Research Grant (MENA)
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Reaction of 3,5-bis(arylmethylene)-1-methyl-4-piperidinones 1a-1g with azomethine ylides (generated in situ via decarboxylative condensation of isatins 2a,2b with sarcosine 3) in refluxing ethanol afforded 4'-aryl-5 ''-(arylmethylene)-dispiro[3H-indole-3,2'-pyrrolidine-3',3 ''-piperidine]-2(1H),4 ''-diones 4a-4m as the sole product in a high regioselective manner. Anti-tumor activity screening of 4e,4f,4k,4m, as representative examples of the synthesized compounds, at a dose of 10 mu M utilizing 59 different human tumor cell lines representing leukemia, melanoma and cancers of the lung, colon, brain, ovary, breast, prostate and kidney exhibited that, the tested compounds reflect mild activity against most of the used human tumor cells. Meanwhile, all the tested compounds reveal considerable anti-tumor properties against colon (HCT-116), breast (T-47D), leukemia [HL-60 (TB), MOLT-4, RPMI-8226] and prostate (PC-3) cancers, Anti-inflammatory properties of the prepared compounds (at a dose of 50 mg/kg body weight) using in vivo acute carrageenan-induced paw oedema in rats exhibited that all the tested compounds possess considerable anti-inflammatory activity especially 4a,4k,4l which reveal remarkable activities with potency 125.5, 139.3 and 126.4, respectively, relative to indomethacin which was used as a reference standard (at a dose of 10 mg/kg body weight). (C) 2008 Elsevier Masson SAS. All rights reserved.
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