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Life Sciences
Data on life sciences detailed by researchers at University of Auckland
April 14th, 2009
"The nitroimidazooxazine S-1 (PA-824) is a new class of bioreductive drug for tuberculosis. A series of related bicyclic nitroheterocycles was synthesized, designed to have a wide range of one-electron reduction potentials E(1) (from -570 to -338 mV, compared with -534 mV for S-1)," researchers in Auckland, New Zealand report. "The observed E(l) values closely correlated with the sigma(m) values of the heteroatom at the 4/8-position of the adjacent six-membered ring. Although the compounds spanned a range of E(1) values around that of S-1, only the nitroimidazothiazines showed significant antitubercular activity (at a similar level of potency), suggesting that E(1) is...
Source: TB & Outbreaks Week (2009-04-14)
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