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Synthesis and evaluation of tryprostatin B and demethoxyfumitremorgin C analogues

Wang, H. S., Usui, T., Osada, H. and Ganesan, A. (2000) Synthesis and evaluation of tryprostatin B and demethoxyfumitremorgin C analogues Journal of Medicinal Chemistry, 43, (8), pp. 1577-1585. (doi:10.1021/jm9905662).

Record type: Article


Tryprostatin B and demethoxyfumitremorgin C are fungal inhibitors of mammalian cell cycle progression at the G(2)/M transition. N-Alkyl derivatives of the L-TrP-L-Pro diketopiperazine were prepared as analogues of tryprostatin B, and two of these were more active than the natural product. A second series of cis- and trans-tetrahydro-beta-carbolines annulated to a diketopiperazine were prepared as analogues of demethoxyfumitremorgin C. The nature of the alkyl substituent, as well as its cis or trans relationship in the tetrahydro-beta-carboline ring, was found to have a significant effect on cytotoxic activity. Small cis-alkyl substituents fall into the demethoxyfumitremorgin C family, whereas bulky benzyl trans compounds appear to act via a different mechanism of action.

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Published date: 20 April 2000
Keywords: mammalian-cell cycle, pictet-spengler reaction, dna topoisomerase-ii, aspergillus-fumigatus, spirotryprostatin-b, g2/m phase, inhibitors, fumitremorgins, azatoxin, cleavage


Local EPrints ID: 18885
ISSN: 0022-2623
PURE UUID: d70e9467-d727-4aff-a4bc-2d821a2732e3

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Date deposited: 05 Jan 2006
Last modified: 17 Jul 2017 16:34

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Author: H. S. Wang
Author: T. Usui
Author: H. Osada
Author: A. Ganesan

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