PyBOP → 3-bromo-N-((4,6-dimethyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)-1-isopropyl-6-(4-(morpholinomethyl)phenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxamide

HRID 1501559Notes

Reaction equation

HRID 1501559 reaction equation
[Br:1][C:2]1[C:10]2[C:9]([C:11](O)=[O:12])=[CH:8][C:7]([C:14]3[CH:19]=[CH:18][C:17]([CH2:20][N:21]4[CH2:26][CH2:25][O:24][CH2:23][CH2:22]4)=[CH:16][CH:15]=3)=[N:6][C:5]=2[N:4]([CH:27]([CH3:29])[CH3:28])[N:3]=1.[NH2:30][CH2:31][C:32]1[C:33](=[O:40])[NH:34][C:35]([CH3:39])=[CH:36][C:37]=1[CH3:38].C1CN([P+](ON2N=NC3C=CC=CC2=3)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F>CS(C)=O>[Br:1][C:2]1[C:10]2[C:9]([C:11]([NH:30][CH2:31][C:32]3[C:33](=[O:40])[NH:34][C:35]([CH3:39])=[CH:36][C:37]=3[CH3:38])=[O:12])=[CH:8][C:7]([C:14]3[CH:15]=[CH:16][C:17]([CH2:20][N:21]4[CH2:22][CH2:23][O:24][CH2:25][CH2:26]4)=[CH:18][CH:19]=3)=[N:6][C:5]=2[N:4]([CH:27]([CH3:29])[CH3:28])[N:3]=1

Participants

5

Procedure

A solution of 3-bromo-1-isopropyl-6-(4-(morpholinomethyl)phenyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (0.8 g, 1.74 mmol) and 3-(aminomethyl)-4,6-dimethylpyridin-2(1H)-one (0.531 g, 3.49 mmol) in DMSO (8 mL) and was stirred at room temperature for 15 min. Then PYBOP (1.36 g, 2.62 mmol) was added to it and stirring was continued for 12 hr. After completion of the reaction, reaction mass was poured into ice to obtain solid, which was filtered and solid was purified by silica gel column chromatography to obtain the desired compound (39% yield). LCMS: 593.20 (M+1)+; HPLC: 97.49% (@ 254 nm) (Rt; 5.338); 1H NMR (DMSO-d6, 400 MHz) δ 11.48 (bs, 1H), 8.67 (t, 1H, J=4.8 Hz), 8.18 (d, 2H, J=8.4 Hz), 7.73 (s, 1H), 7.47 (d, 2H, J=8.4 Hz), 5.87 (s, 1H), 5.33-5.30 (m, 1H), 4.40 (d, 2H, J=4.4 Hz), 3.58 (bs, 4H), 3.53 (s, 2H), 2.38 (bs, 4H), 2.26 (s, 3H), 2.11 (s, 3H), 1.52 (d, 6H, J=6.4 Hz).

Workup

  1. customAfter completion of the reaction, reaction mass
  2. additionwas poured into ice
  3. customto obtain solid, which
  4. filtrationwas filtered
  5. customsolid was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-8bad6e7a43f84155907923f06dd07e9e
Source dataset
uspto-grants-2015_12
Patent number
US09206157B2

Reaction notes

Loading…