Antitumor benzothiazoles. Frontier molecular orbital analysis predicts bioactivation of 2-(4-aminophenyl)benzothiazoles to reactive intermediates by cytochrome P4501A1

文献情報

出版日 2003-01-17

DOI 10.1039/B209067H

インパクトファクター 3.876

著者

Sean E. O'Brien, Helen L. Browne, Tracey D. Bradshaw, Andrew D. Westwell, Malcolm F. G. Stevens, Charles A. Laughton

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要旨

The antitumor and metabolic activities of 2-(4-aminophenyl)benzothiazoles and their fluorinated analogues cannot be explained or predicted by conventional chemical means. Their mode of anti-cancer action involves metabolism of the benzothiazoles to an as yet unidentified reactive species. This species then forms DNA adducts which provoke cell death. The electronic structures and possible intermediates of these compounds have been computed quantum mechanically. The counter-intuitive patterns of metabolism can only be explained by considering the active intermediate to be a nitrenium ion. The distribution of the highest occupied molecular orbital for the nitrenium species derived from each fluorinated analogue correlates perfectly with the production, or otherwise, of an exportable metabolite. Further related compounds have been analyzed by this method and the predictions of their metabolism have subsequently been verified experimentally.

掲載誌

Organic & Biomolecular Chemistry

CiteScore: 3.4

自己引用率: 10.3%

年間論文数: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

Antitumor benzothiazoles. Frontier molecular orbital analysis predicts bioactivation of 2-(4-aminophenyl)benzothiazoles to reactive intermediates by cytochrome P4501A1

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