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Mar. Drugs 2011, 9(2), 256-277; doi:10.3390/md9020256
Article

Synthesis of 1-Substituted Carbazolyl-1,2,3,4-tetrahydro- and Carbazolyl-3,4-dihydro-β-carboline Analogs as Potential Antitumor Agents

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Received: 30 December 2010; in revised form: 31 January 2011 / Accepted: 7 February 2011 / Published: 10 February 2011
(This article belongs to the Special Issue Marine Alkaloids)
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Abstract: A series of 1-substituted carbazolyl-1,2,3,4-tetrahydro- and carbazolyl-3,4-dihydro-b-carboline analogs have been synthesized and evaluated for antitumor activity against human tumor cells including KB, DLD, NCI-H661, Hepa, and HepG2/A2 cell lines. Among these, compounds 2, 6, 7, and 9 exhibited the most potent and selective activity against the tested tumor cells. As for inhibition of topoisomerase II, compounds 114 and 18 showed better activity than etoposide. Among them, compounds 3, 4, 7, 9, and 10 exhibited potent activity. The structure and activity relationship (SAR) study revealed correlation between carbon numbers of the side chain and biological activities. The molecular complex with DNA for compound 2 was proposed.
Keywords: carbazolyl-1,2,3,4-tetrahydro-b-carbolines; carbazolyl-3,4-dihydro-b-carbolines; antitumor agents; structure activity relationship carbazolyl-1,2,3,4-tetrahydro-b-carbolines; carbazolyl-3,4-dihydro-b-carbolines; antitumor agents; structure activity relationship
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Shen, Y.-C.; Chang, Y.-T.; Lin, C.-L.; Liaw, C.-C.; Kuo, Y.H.; Tu, L.-C.; Yeh, S.F.; Chern, J.-W. Synthesis of 1-Substituted Carbazolyl-1,2,3,4-tetrahydro- and Carbazolyl-3,4-dihydro-β-carboline Analogs as Potential Antitumor Agents. Mar. Drugs 2011, 9, 256-277.

AMA Style

Shen Y-C, Chang Y-T, Lin C-L, Liaw C-C, Kuo YH, Tu L-C, Yeh SF, Chern J-W. Synthesis of 1-Substituted Carbazolyl-1,2,3,4-tetrahydro- and Carbazolyl-3,4-dihydro-β-carboline Analogs as Potential Antitumor Agents. Marine Drugs. 2011; 9(2):256-277.

Chicago/Turabian Style

Shen, Ya-Ching; Chang, Yao-To; Lin, Chun-Ling; Liaw, Chia-Ching; Kuo, Yao Haur; Tu, Lan-Chun; Yeh, Sheau Farn; Chern, Ji-Wang. 2011. "Synthesis of 1-Substituted Carbazolyl-1,2,3,4-tetrahydro- and Carbazolyl-3,4-dihydro-β-carboline Analogs as Potential Antitumor Agents." Mar. Drugs 9, no. 2: 256-277.


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