Piperidine → (R)-2-(3-(4-amino-3-(4-(2-fluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carbonyl)-3-cyclopropylacrylonitrile

HRID 1853545Notes

Reaction equation

HRID 1853545 reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([C@@H:25]3[CH2:30][CH2:29][CH2:28][N:27]([C:31](=[O:35])[CH2:32][C:33]#[N:34])[CH2:26]3)[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=4[F:24])=[CH:13][CH:12]=3)[C:3]=12.[CH:36]1([CH:39]=O)[CH2:38][CH2:37]1.N1CCCCC1>CO>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([C@@H:25]3[CH2:30][CH2:29][CH2:28][N:27]([C:31]([C:32](=[CH:39][CH:36]4[CH2:38][CH2:37]4)[C:33]#[N:34])=[O:35])[CH2:26]3)[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=4[F:24])=[CH:13][CH:12]=3)[C:3]=12

Participants

5

Reactant 3

HCID 8082PiperidineHCID 123114CyclopropanecarboxaldehydeHCID 867144823-[(3R)-3-[4-amino-3-[4-(2-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-oxopropanenitrile

Product 1

HCID 86714483(R)-2-(3-(4-amino-3-(4-(2-fluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carbonyl)-3-cyclopropylacrylonitrileYield 23%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

Into a 10 mL round-bottom flask, was placed a solution of 3-[(3R)-3-[4-amino-3-[4-(2-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-oxopropanenitrile (60 mg, 0.13 mmol, 1.00 equiv) in methanol (10 mL), cyclopropanecarbaldehyde (50 mg, 0.71 mmol, 5.61 equiv), and piperidine (70 mg, 0.82 mmol, 6.46 equiv). The resulting solution was stirred for 30 min at room temperature and then concentrated under vacuum. The residue was loaded onto a silica gel column and eluted with dichloromethane/methanol (100:1) to give 0.015 g (23%) of the title compound as an off-white solid. LC-MS0: (ES, m/z): 524 [M+H]+. H-NMR (CD3OD, ppm) 8.270 (1H, s), 7.711 (2H, d), 7.316˜7.242 (4H, m), 7.149 (2H, d), 6.450 (1H, d), 4.872 (1H, s), 4.192 (1H, s), 3.966 (2H, d), 3.556-3.488 (1H, m), 2.392˜2.363 (1H, m), 2.253˜2.209 (2H, m), 1.951 (1H, s); 1.306-1.181 (3H, m); 0.918-0.793 (2H, m)

Workup

  1. customInto a 10 mL round-bottom flask, was placed
  2. concentrationconcentrated under vacuum
  3. washeluted with dichloromethane/methanol (100:1)

Sources & evidence

ORD record
ord-fb8fdb0cc2f340f3b07260433d602928
Source dataset
uspto-grants-2015_02
Patent number
US08962635B2

Reaction notes

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