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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 1854895
Notes
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Reaction equation

HRID 1854895 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), H-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-cf75ec24fb5043a4ab9ea5e8ea900961
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08962831B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes