2-Hydrazinylpyridine-4-carbonitrile hydrochloride salt → HCID 86725493, compound

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The title compound was prepared in 100% yield from 2-hydrazinylpyridine-4-carbonitrile hydrochloride salt (PREPARATION 3) and (2E)-3-(dimethylamino)-1-[4-(methylsulfonyl)phenyl]prop-2-en-1-one according to the procedure for the preparation of Example 12, part B. 1H NMR (400 MHz, CDCl3): δ 3.10 (3H, s), 6.58 (1H, d, J=1.6 Hz), 7.39 (1H, dd, J=5.2, 1.2 Hz), 7.51 (2H, d, J=8.4 Hz), 7.81 (1H, d, J=1.6 Hz), 7.93 (2H, d, J=8.4 Hz), 8.20 (1H, s), 8.29 (1H, d, J=5.2 Hz).

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