Dichloromethane → (R)-2-(3-(4-amino-3-(4-(3,5-difluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carbonyl)-3-cyclopropylacrylonitrile

HRID 1187586Notes

Reaction equation

HRID 1187586 reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([C@@H:26]3[CH2:31][CH2:30][CH2:29][N:28]([C:32](=[O:36])[CH2:33][C:34]#[N:35])[CH2:27]3)[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:23]=[C:22]([F:24])[CH:21]=[C:20]([F:25])[CH:19]=4)=[CH:13][CH:12]=3)[C:3]=12.[CH:37]1([CH:40]=O)[CH2:39][CH2:38]1.N1CCCCC1.ClCCl>CO>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([C@@H:26]3[CH2:31][CH2:30][CH2:29][N:28]([C:32]([C:33](=[CH:40][CH:37]4[CH2:39][CH2:38]4)[C:34]#[N:35])=[O:36])[CH2:27]3)[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:19]=[C:20]([F:25])[CH:21]=[C:22]([F:24])[CH:23]=4)=[CH:13][CH:12]=3)[C:3]=12

Participants

6

Reactant 4

HCID 6344DichloromethaneHCID 8082PiperidineHCID 123114CyclopropanecarboxaldehydeHCID 710151333-[(3R)-3-[4-amino-3-[4-(3,5-difluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-oxopropanenitrile

Product 1

HCID 86714494(R)-2-(3-(4-amino-3-(4-(3,5-difluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carbonyl)-3-cyclopropylacrylonitrileYield 42%

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-(3,5-difluorophenoxy)phenyl]-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidin-1-yl]-3-oxopropanenitrile (150 mg, 0.31 mmol, 1.00 equiv) in methanol (20 mL), cyclopropanecarbaldehyde (64 mg, 0.91 mmol, 3.00 equiv), piperidine (13 mg, 0.15 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 70 mg (42%) of the title compound as a white solid. LC-MS: (ES, m/z): 542 [M+H]+. 1HNMR (300 MHz, CDCl3, ppm) 8.405 (1H, s), 7.762˜7.715 (2H, m), 7.282˜7.223 (2H, m), 6.656˜6.575 (4H, m), 6.696 (2H, s),5.022˜4.924 (1H, m),4.8˜2.9 (4H, m), 2.424˜2.301 (2H, m),2.271˜2.259 (3H, d),1.295˜1.228 (2H, t),0.903˜0.892 (2H, d).

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-d3df1866f08d4109b76471fa4e399bbd
Source dataset
uspto-grants-2014_03
Patent number
US08673925B1

Reaction notes

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