Volume 90 Issue 21 | p. 7 | News of The Week
Issue Date: May 21, 2012

Frustrated Lewis Pair Starts A New Radical Family

Metal-Free Reactions: Unquenched acid-base complex captures NO to form versatile nitroxide radicals
Department: Science & Technology | Collection: Green Chemistry
News Channels: Materials SCENE, JACS In C&EN
Keywords: Lewis acid-base pair, frustrated Lewis pair, radical polymerization, nitroxide-mediated polymerization, nitric oxide

Chemists have plotted a synthetic route to a new class of persistent nitroxide radicals by taking advantage of the synergistic action of an acid-base species known as a frustrated Lewis pair (FLP) to capture nitric oxide (NO). The new radicals facilitate selective oxidation reactions and controlled radical polymerizations, adding diversity to the pool of nitroxide radicals that chemists have at their disposal for chemical reactions, the researchers say in a report (J. Am. Chem. Soc., . . .

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