4-Amino-2,5-dimethylphenol → N2,N4-bis(2,5-dimethyl-4-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamine

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In like manner to the preparation of N2,N4-bis(3-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamine, 2,4-dichloro-5-fluoropyrimidine and 2,5-dimethyl-4-hydroxyaniline were reacted to yield N2,N4-bis(2,5-dimethyl-4-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamine. 1H NMR (CD3OD): δ 7.63 (d, 1H, J=4.2 Hz), 7.05 (s, 1H), 6.97 (s, 1H), 6.64 (1H), 6.54 (s, 1H), 2.12 (s, 6H), 2.06 (s, 3H), 2.03 (s, 3H), 2.03 (s, 3H); 19F NMR (CD3OD): −48488; LCMS: ret. time: 18.28; purity; 94%; MS (m/e): 369 (MH+).

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