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

HRID 2424812Notes

Reaction equation

[CH3:1][C@@H:2]1[CH2:6][N:5](CC2C=NC(C)=NC=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+].[F:35][C:36]1[CH:43]=[CH:42][CH:41]=[CH:40][C:37]=1[CH:38]=O>>[F:35][C:36]1[CH:43]=[CH:42][CH:41]=[CH:40][C:37]=1[CH2:38][N:5]1[CH2:6][C@@H:2]([CH3:1])[C@H:3]([C:15]2[NH:16][C:17](=[O:30])[C:18]3[CH:23]=[N:22][N:21]([CH:24]4[CH2:29][CH2:28][O:27][CH2:26][CH2:25]4)[C:19]=3[N:20]=2)[CH2:4]1

Participants

Reactant 3

HCID 67970o-Fluorobenzaldehyde

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 1358864956-[(3S,4S)-1-(2-fluorobenzyl)-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 2-fluorobenzaldehyde provided the title compound. 400 MHz 1H NMR (CD3OD) δ 7.98 (s, 1H), 7.47-7.42 (m, 1H), 7.33-7.26 (m, 2H), 7.18-7.07 (m, 1H), 4.08-4.04 (m, 2H), 3.85 (s, 2H), 3.69-3.56 (m, 3H), 3.20-2.93 (m, 4H), 2.69-2.62 (m, 1H), 2.40-2.19 (m, 3H), 1.88-1.85 (m, 2H), 1.14 (d, J=6.6 Hz, 3H). MS: (M+H m/z 412.1).

Sources & evidence

ORD record: ord-2741d83a0e6d44cc96c7465c0ec8957c
Source dataset: uspto-grants-2011_06
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07964607B2

Reaction notes

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