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  4. Diversity-oriented synthesis of furo[3,2-f]chromanes with antimycobacterial activity
 
research article

Diversity-oriented synthesis of furo[3,2-f]chromanes with antimycobacterial activity

Alvey, Luke
•
Prado, Soizic
•
Saint-Joanis, Brigitte
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2009
European journal of medicinal chemistry

We previously reported the synthesis and the antimycobacterial activity of 4-(7,7-dimethyl-7H-furo[3,2-f]chromen-2-yl)pyridine. From this result, we sought to design simple synthetic accesses to related structures allowing the preparation of a diverse set of analogues. Two approaches were investigated. From 3-(2-bromo-7,7-dimethyl-8,9-dihydro-7H-furo[3,2-f]chromen-1-yl)propyl acetate, we prepared 2-arylated derivatives via Suzuki-Miyaura reactions between this bromine-bearing compound and various arylboronates. Moreover, and even more simple, we prepared the ((6-hydroxy-2,2,7,8-tetramethylchroman-5-yl)methyl)triphenylphosphonium salt via a selective bromination of 2,2,5,7,8-pentamethylchroman-6-ol. From this salt, a two stage Wittig reaction with an array of activated acids allowed the quick preparation of many analogues. The biological evaluation of the effect of these compounds on the growth of Mycobacterium bovis as well as Mycobacterium tuberculosis pointed out a fourfold improvement of the antimycobacterial properties for one of the compounds made. However, the many analogues which inhibited the growth of M. tuberculosis in the 0.6-5 microg/mL range turned out to be also cytotoxic on VERO cells growth at the same concentration range.

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Type
research article
DOI
10.1016/j.ejmech.2009.01.017
PubMed ID

19232450

Author(s)
Alvey, Luke
Prado, Soizic
Saint-Joanis, Brigitte
Michel, Sylvie
Koch, Michel
Cole, Stewart T  
Tillequin, François
Janin, Yves L
Date Issued

2009

Published in
European journal of medicinal chemistry
Volume

44

Issue

6

Start page

2497

End page

505

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
UPCOL  
Available on Infoscience
September 7, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/53087
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