4-Methoxybenzaldehyde → 6-[(3S,4S)-1-(4-methoxybenzyl)-4-methylpyrrolidin-3-yl]-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

HRID 2424815Notes

Reaction equation

[CH3:1][C@@H:2]1[CH2:6][N:5]([CH2:7][C:8]2[CH:9]=NC(C)=N[CH:13]=2)[CH2:4][C@H:3]1[C:15]1[NH:16][C:17](=[O:30])[C:18]2[CH:23]=[N:22][N:21]([CH:24]3[CH2:29][CH2:28][O:27][CH2:26][CH2:25]3)[C:19]=2[N:20]=1.C([BH3-])#N.[Na+].[CH3:35][O:36][C:37]1[CH:44]=CC(C=O)=C[CH:38]=1>>[CH3:35][O:36][C:37]1[CH:44]=[CH:13][C:8]([CH2:7][N:5]2[CH2:6][C@@H:2]([CH3:1])[C@H:3]([C:15]3[NH:16][C:17](=[O:30])[C:18]4[CH:23]=[N:22][N:21]([CH:24]5[CH2:29][CH2:28][O:27][CH2:26][CH2:25]5)[C:19]=4[N:20]=3)[CH2:4]2)=[CH:9][CH:38]=1

Participants

Reactant 3

HCID 312444-Methoxybenzaldehyde

HCID 5003444Sodium cyanoborohydride

HCID 1358864606-((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

Product 1

HCID 1358864966-[(3S,4S)-1-(4-methoxybenzyl)-4-methylpyrrolidin-3-yl]-1-(tetrahydro-2H-pyran-4-yl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one

Procedure

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 sodium cyanoborohydride and 4-methoxybenzaldehyde provided the title compound. 400 MHz 1H NMR (CDCl3) δ 8.01 (s, 1H), 7.29 (d, J=8.3 Hz, 2H), 6.87 (d, J=8.7 Hz, 2H), 4.82-4.08 (m, 1H), 4.13-4.08 (m, 2H), 3.84-3.75 (m, 4H), 3.61-3.51 (m, 3H), 3.35 (t, J=8.7 Hz, 1H), 2.97 (d, J=9.9 Hz, 1H), 2.82-2.80 (m, 1H), 2.53-2.49 (m, 1H), 2.42-2.30 (m, 3H), 1.95-1.82 (m, 3H), 1.18 (d, J=7.1 Hz, 3H).

Sources & evidence

ORD record: ord-3cae123296d744bc804115ac71b07d8c
Source dataset: uspto-grants-2011_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07964607B2

Reaction notes

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