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

HRID 1529902
Notes
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Reaction equation

HRID 1529902 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]=[C:20]([F:24])[CH:19]=4)=[CH:13][CH:12]=3)[C:3]=12.[CH:36]1([CH:39]=O)[CH2:38][CH2:37]1.N1CCCCC1.ClCCl>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]=[C:20]([F:24])[CH:19]=4)=[CH:13][CH:12]=3)[C:3]=12
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6344DichloromethaneHCID 8082PiperidineHCID 123114CyclopropanecarboxaldehydeHCID 867144853-[(3R)-3-[4-amino-3-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-oxopropanenitrile

Product 1

HCID 86714486(R)-2-(3-(4-amino-3-(4-(3-fluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carbonyl)-3-cyclopropylacrylonitrile
Yield 27.5%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

Into a 50 mL round-bottom flask, was placed a solution of 3-[(3R)-3-[4-amino-3-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-oxopropanenitrile (120 mg, 0.25 mmol, 1.00 equiv) in methanol (20 mL), cyclopropanecarbaldehyde (54 mg, 0.77 mmol, 3.00 equiv), piperidine (11 mg, 0.13 mmol, 0.50 equiv), and dichloromethane (5 mL). The resulting solution was stirred for 12 h 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 36 mg (27%) of the title compounds as a white solid. LC-MS: (ES, m/z): 524 [M+H]+. H-NMR: (300MHz,CDCl3, ppm) 8.396 (1H, s), 7.721˜7.674 (2H, m), 7.393˜7.316 (1H, m), 7.237˜7.191 (2H, m), 6.923˜6.786 (3H,m),6.607˜6.570 (1H,d,J=11.1), 5.795 (2H, s), 5.018˜4.919 (1H, m), 4.8˜3.1 (4H,m), 2.465˜2.269 (5H,m),1.274 (2H m), 0.887 (2H,m).

Workup

  1. customInto a 50 mL round-bottom flask, was placed
  2. concentrationconcentrated under vacuum
  3. washeluted with dichloromethane/methanol (100:1)

Sources & evidence

ORD record
ord-f5eec0c0660a4881bcb636cd238c4d83
Source dataset
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09090621B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes