https://www.selleckchem.com/pr....oducts/FK-506-(Tacro
A new synthetic pathway to diradical organic systems is proposed. The effectiveness of this approach was exemplified by the synthesis of a new nitroxide diradical. An interaction of perfluorobiphenyl with lithium tert-butylamide, followed by oxidation of the thusly formed N4,N4'-di-tert-butyl-2,2',3,3',5,5',6,6'-octafluorobiphenyl-4,4'-diamine with meta-chloroperoxybenzoic acid, led to the polyfluorinated nitroxide diradical, N,N'-(perfluorobiphenyl-4,4'-diyl)bis(N-tert-butyl(oxyl)amine), with a good total yield. The polyflu
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