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

HRID 409055
Notes
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Reaction equation

HRID 409055 reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH2:25][C@H:26]3[CH2:30][CH2:29][CH2:28][N:27]3[C:31](=[O:35])[CH2:32][C:33]#[N:34])[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.N1[CH2:41][CH2:40][CH2:39][CH2:38]C1.C1(C=O)CC1>CO>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH2:25][C@H:26]3[CH2:30][CH2:29][CH2:28][N:27]3[C:31]([C:32](=[CH:38][CH:39]3[CH2:41][CH2:40]3)[C:33]#[N:34])=[O:35])[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
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8082PiperidineHCID 123114CyclopropanecarboxaldehydeHCID 867144643-[(2R)-2-([4-amino-3-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]methyl)pyrrolidin-1-yl]-3-oxopropanenitrile

Product 1

HCID 86714465(R)-2-(2-((4-amino-3-(4-(3-fluorophenoxyl)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)methyl)pyrrolidine-1-carbonyl)-3-cyclopropylacrylonitrileYield 29%

Reagents, catalysts & solvents

1
HCID 887MethanolSolvent

Conditions

Temperature
25 °C

Procedure

Into a 10-mL round-bottom flask, was placed 3-[(2R)-2-([4-amino-3-[4-(3-fluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]methyl)pyrrolidin-1-yl]-3-oxopropanenitrile (150 mg, 0.32 mmol, 1.00 equiv), piperidine (27 mg, 0.32 mmol, 1.00 equiv), cyclopropanecarbaldehyde (44.5 mg, 0.63 mmol, 2.00 equiv), methanol (5 mL). The resulting solution was stirred for 12 h at 25° C. and then concentrated under vacuum. The residue was loaded on a silica gel column and eluted with dichloromethane/methanol (50/1) to give 48.5 mg (29%) of the title compound as a off-white solid. LC-MS: (ES, m/z): MS (ESI, pos. ion) m/z: 524 (M+1). 1H-NMR: (CDCl3, ppm): 1HNMR (300 MHz, CD3OD, ppm), 8.253 (1H, s), 7.686˜7.749 (2H, t), 7.363˜7.440 (1H, t), 7.185˜7.232 (2H, t), 6.833˜6.941 (3H, m), 6.450˜6.600 (1H, d), 4.301˜4.555 (3H, m), 3.604˜3.638 (2H, m), 1.868˜2.005 (5H, m), 1.200˜1.294 (3H, m), 0.798˜0.810 (2H, m).

Workup

  1. customInto a 10-mL round-bottom flask, was placed
  2. concentrationconcentrated under vacuum
  3. washeluted with dichloromethane/methanol (50/1)

Sources & evidence

ORD record
ord-ea6be54afbc846daa874a83e9e7b303d
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08759358B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes