1,4-Benzodioxan-6-ylamine → N2,N4-bis(3,4-ethylenedioxyphenyl)-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 3,4-ethylenedioxyaniline were reacted to yield N2,N4-bis(3,4-ethylenedioxyphenyl)-5-fluoro-2,4-pyrimidinediamine. 1H NMR (CDCl3): δ 7.88 (d, 1H, J=3.6 Hz), 7.23 (d, 1H, J=2.3 Hz), 7.15 (d, 1H, J=2.4 Hz), 7.00 (dd, 1H, J=3 and 8.1 Hz), 6.98 (dd, 1H, J=3 and 8 Hz), 6.83 (d, 1H, J=8.7 Hz), 6.81 (d, 1H, J=8.7 Hz), 6.7 (s, 1H), 6.58 (s, 1H), 4.23 (m, 4H), 4.24 (m, 4H); 19F NMR (CDCl3): δ−47445; LCMS: ret. time: 21.81 min.; purity: 96%; MS (m/e): 397 (MH|).

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