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Updated: Jul 19, 2026
11:51
Facile Preparation of 4-Substituted Quinazoline Derivatives
Published on: February 15, 2016
Isoindolo[2,1-c]benzo[1,2,4]triazines: a new ring system with antiproliferative activity
Patrizia Diana1, Annamaria Martorana, Paola Barraja
1Dipartimento Farmacochimico Tossicologico e Biologico, Università degli Studi di Palermo, Via Archirafi 32, 90123 Palermo, Italy. diana@unipa.it
Bioorganic & Medicinal Chemistry
|October 27, 2006
Summary
Researchers synthesized novel isoindolo-benzo-triazines and screened them for anticancer activity. Several compounds demonstrated significant antiproliferative effects against various human cancer cell lines in vitro.
Area of Science:
- Medicinal Chemistry
- Organic Synthesis
- Cancer Research
Background:
- Isoindolo-benzo-triazines represent a class of heterocyclic compounds with potential biological activities.
- The development of novel anticancer agents is crucial for improving patient outcomes.
Purpose of the Study:
- To synthesize a series of novel isoindolo-benzo-triazines.
- To evaluate the in vitro antitumor activity of these synthesized compounds against a panel of human cancer cell lines.
Main Methods:
- Synthesis of isoindolo-benzo-triazines via diazotization of 2-(2-aminoaryl)-1-cyanoisoindoles.
- In vitro screening of synthesized derivatives against human cancer cell lines by the National Cancer Institute (NCI).
- Evaluation of promising compounds in a broader panel of approximately 50 human tumor cell lines.
Main Results:
- A series of isoindolo-benzo-triazines (type 4) were successfully synthesized.
- Compounds 4a, f, i, and j exhibited antiproliferative activity in the micromolar range against multiple cancer cell lines.
- Specific sensitivity was observed in leukemia (MOLT-4, SR), non-small cell lung (A549/ATCC, EKVX), colon (COLO-205), melanoma (LOX IMVI), ovarian (OVCAR-8), and breast (MCF7, BT-549) cancer cell lines.
Conclusions:
- The synthesized isoindolo-benzo-triazines possess significant in vitro antitumor potential.
- These compounds represent promising candidates for further investigation as anticancer agents.
- The study highlights the utility of this chemical scaffold in cancer drug discovery.
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