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Piperidine → N-[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]-2-cyano-4-ethoxy-4-methyl-pent-2-enamide

HRID 1843440
Notes
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Reaction equation

HRID 1843440 reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH2:25][C@H:26]([NH:28][C:29](=[O:33])[CH2:30][C:31]#[N:32])[CH3:27])[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][CH:19]=4)=[CH:13][C:12]=3[F:24])[C:3]=12.N1CCCCC1.[CH2:40]([O:42][C:43]([CH3:47])([CH3:46])[CH:44]=O)[CH3:41]>C(O)C>[NH2:1][C:2]1[N:7]=[CH:6][N:5]=[C:4]2[N:8]([CH2:25][C@H:26]([NH:28][C:29](=[O:33])[C:30]([C:31]#[N:32])=[CH:44][C:43]([O:42][CH2:40][CH3:41])([CH3:47])[CH3:46])[CH3:27])[N:9]=[C:10]([C:11]3[CH:16]=[CH:15][C:14]([O:17][C:18]4[CH:19]=[CH:20][CH:21]=[CH:22][CH:23]=4)=[CH:13][C:12]=3[F:24])[C:3]=12
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8082PiperidineHCID 147678152-Ethoxy-2-methylpropanalHCID 86714555N-[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]-2-cyano-acetamide

Product 1

HCID 86714556N-[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]-2-cyano-4-ethoxy-4-methyl-pent-2-enamideYield 8%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Conditions

Temperature
85 °C

Procedure

To a sealed tube was added N-[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]-2-cyano-acetamide (105 mg, 0.24 mmol), piperidine (0.01 mL, 0.12 mmol), 2-ethoxy-2-methyl-propanal (0.07 mL, 0.47 mmol) and ethanol (4 mL). The tube was capped, and heated to 85° C. for 60 hrs. The reaction was cooled and evaporated. The resulting crude oil was dissolved in DCM (30 mL) and washed with water (30 mL) and brine, then dried (MgSO4), filtered and concentrated. The resulting material was purified by Isolera (10 g column, 3%-7% MeOH/DCM) to obtain 10 mg (8%) of the title compound. MS (pos. ion) m/z: 544 (M+1).

Workup

  1. customThe tube was capped
  2. temperatureThe reaction was cooled
  3. customevaporated
  4. dissolutionThe resulting crude oil was dissolved in DCM (30 mL)
  5. washwashed with water (30 mL) and brine
  6. dry with materialdried (MgSO4)
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customThe resulting material was purified by Isolera (10 g column, 3%-7% MeOH/DCM)

Sources & evidence

ORD record
ord-e93c41b600a3479cbbe4539414b16bd9
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08946241B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes