2-Methylpyrimidine-4-carbaldehyde → 6-{(3S,4S)-4-methyl-1-[(2-methylpyrimidin-4-yl)methyl]pyrrolidin-3-yl}-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

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Reaction Steps

Following the procedure for the preparation of 6-{(3S,4S)-4-methyl-1-[(2-methylpyrimidin-5-yl)methyl]pyrrolidin-3-yl}-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one but substituting 2-methylpyrimidine-4-carbaldehyde provided the title compound. 400 MHz 1H NMR (CDCl3) δ 8.59 (d, J=5.0 Hz, 1H), 8.03 (s, 1H), 7.20 (d, J=5.0 Hz, 1H), 4.84-4.76 (m, 1H), 4.13-4.08 (m, 2H), 3.97-3.93 (m, 1H), 3.70-3.67 (m, 1H), 3.61-3.53 (m, 2H), 3.40 (t, J=8.3 Hz, 1H), 3.14 (d, J=9.5 Hz, 1H), 2.88 (m, 1H), 2.72 (s, 3H), 2.69-2.63 (m, 1H), 2.47-2.27 (m, 3H), 2.10-2.08 (m, 1H), 1.91-1.83 (m, 2H), 1.21 (d, J=7.1 Hz, 3H). MS: (M+H m/z 410.2).

Provenance & Evidence