Molecules 2009, 14(7), 2306-2316; doi:10.3390/molecules14072306

Synthesis and Antitumor Evaluation of Novel Bis-Triaziquone Derivatives

1 Cathay General Hospital, 280 Renai Rd. Sec.4, Taipei, Taiwan 2 Department of Biochemistry, Taipei Medical University, 250 Wu-Hsin St. Taipei, Taiwan 3 College of Medicine, Fu-Jen Catholic University, 510 Chung Cheng Rd, Hsin-Chuang,Taipei Hsien 24205, Taiwan
* Author to whom correspondence should be addressed.
Received: 30 April 2009; in revised form: 19 June 2009 / Accepted: 23 June 2009 / Published: 29 June 2009
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Abstract: Aziridine-containing compounds have been of interest as anticancer agents since late 1970s. The design, synthesis and study of triaziquone (TZQ) analogues with the aim of obtaining compounds with enhanced efficacy and reduced toxicity are an ongoing research effort in our group. A series of bis-type TZQ derivatives has been prepared and their cytotoxic activities were investigated. The cytotoxicity of these bis-type TZQ derivatives were tested on three cancer lines, including breast cancer (BC-M1), oral cancer (OEC-M1), larynx epidermal cancer (Hep2) and one normal skin fibroblast (SF). Most of these synthetic derivatives displayed significant cytotoxic activities against human carcinoma cell lines, but weak activities against SF. Among tested analogues the bis-type TZQ derivative 1a showed lethal effects on larynx epidermal carcinoma cells (Hep2), with an LC50 value of 2.02 mM, and also weak cytotoxic activity against SF cells with an LC50 value over 10 mM for 24 hr treatment. Comparing the viability of normal fibroblast cells treated with compound 1a and TZQ, the LC50 value of the latter was 2.52 mM, indicating more toxicity than compound 1a. This significantly decreased cytotoxicity of compound 1a towards normal SF cells, while still maintaining the anticancer activity towards Hep2 cells is an interesting feature. Among the seven compounds synthesized, compound 1c has similar toxicity effects on the three cancer cell lines and SF normal cells as the TZQ monomer.
Keywords: bioreductive compound; bis-triaziquone derivatives; cytotoxicity

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MDPI and ACS Style

Huang, C.H.; Kuo, H.-S.; Liu, J.-W.; Lin, Y.-L. Synthesis and Antitumor Evaluation of Novel Bis-Triaziquone Derivatives. Molecules 2009, 14, 2306-2316.

AMA Style

Huang CH, Kuo H-S, Liu J-W, Lin Y-L. Synthesis and Antitumor Evaluation of Novel Bis-Triaziquone Derivatives. Molecules. 2009; 14(7):2306-2316.

Chicago/Turabian Style

Huang, Cheng Hua; Kuo, Hsien-Shou; Liu, Jia-Wen; Lin, Yuh-Ling. 2009. "Synthesis and Antitumor Evaluation of Novel Bis-Triaziquone Derivatives." Molecules 14, no. 7: 2306-2316.

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