Abstract:
:In the search of structure-activity relationship studies and to explore the antitumor effect associated with the pyrimidoisoquinolinequinone scaffold, several diversily substituted 8-aminopyrimido[4,5-c]isoquinolinequinones were regioselectively synthesized. Variation in the structure of the nitrogen substituent bonded to the 8-position of the pyrimidoisoquinolinequinone system led to a set of alkylamino-, phenylamino- and alkyphenylamino derivatives. The cytotoxic activity of the aminoquinone derivatives was evaluated in vitro using the MTT colorimetric method against one normal cell line (MRC-5 lung fibroblasts) and four human cancer cell lines (AGS human gastric adenocarcinoma; SK-MES-1 human lung cancer cells, and J82 human bladder carcinoma; HL-60 human leukemia) in 72-h drug exposure assays. Among the series, five compounds exhibited interesting antitumor activity against AGS human gastric adenocarcinoma and human lung cancer cells. The SAR studies revealed that both the nature of the nitrogen substituent into the quinone ring and the methyl group at the 6-position play key roles in the antitumor activity.
journal_name
Eur J Med Chemjournal_title
European journal of medicinal chemistryauthors
Vásquez D,Rodríguez JA,Theoduloz C,Calderon PB,Valderrama JAdoi
10.1016/j.ejmech.2010.08.040subject
Has Abstractpub_date
2010-11-01 00:00:00pages
5234-42issue
11eissn
0223-5234issn
1768-3254pii
S0223-5234(10)00618-5journal_volume
45pub_type
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