Abstract:
:In this study, some novel 2,6-dimethyl-N'-substituted phenylmethylene-imidazo[2,1-b][1,3,4]thiadiazole-5-carbohydrazides (3a-3h) were synthesized from 2,6-dimethylimidazo-[2,1-b][1,3,4]thiadiazole-5-carbohydrazide (2). The newly synthesized compounds (3a-3h) were evaluated in the National Cancer Institute's 3-cell line, one dose in vitro primary cytotoxicity assay. Compounds 3c and 3h which passed the criteria for activity in this assay (20-29% growth percentages) were scheduled automatically for evaluation against the full panel of 60 human tumor cell lines at a minimum of five concentrations at 10-fold dilutions. Sulforhodamine B (SRB) protein assay was used to estimate cell stability or growth. 2,6-Dimethyl-N'-(2-hydroxyphenylmethylidene)imidazo[2,1-b][1,3,4]thiadiazole-5-carbohydrazide (3c) showed the most favorable cytotoxicity. This compound demonstrated the most marked effects in the National Cancer Institute's 60 human tumor cell line in vitro screen on an ovarian cancer cell line (OVCAR log(10)GI(50) value -5.51).
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Terzioglu N,Gürsoy Adoi
10.1016/s0223-5234(03)00138-7subject
Has Abstractpub_date
2003-07-01 00:00:00pages
781-6issue
7-8eissn
0223-5234issn
1768-3254pii
S0223523403001387journal_volume
38pub_type
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