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tert-butyl N-(2-methyl-1-oxopropan-2-yl)carbamate → tert-butyl N-[4-[[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]amino]-3-cyano-1,1-dimethyl-4-oxo-but-2-enyl]carbamate

HRID 1187662
Notes
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Reaction equation

HRID 1187662 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.[CH3:34][C:35]([NH:39][C:40](=[O:46])[O:41][C:42]([CH3:45])([CH3:44])[CH3:43])([CH3:38])[CH:36]=O>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:38][C:35]([NH:39][C:40](=[O:46])[O:41][C:42]([CH3:45])([CH3:44])[CH3:43])([CH3:34])[CH3:36])[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

4

Reactant 2

HCID 14578674tert-butyl N-(2-methyl-1-oxopropan-2-yl)carbamateHCID 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 86714557tert-butyl N-[4-[[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]amino]-3-cyano-1,1-dimethyl-4-oxo-but-2-enyl]carbamateYield 35%

Reagents, catalysts & solvents 1

HCID 702
Ethanol
Solvent

Conditions

Temperature
110 °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 (160 mg, 0.36 mmol), tert-butyl N-(1,1-dimethyl-2-oxo-ethyl)carbamate (0.13 mL, 0.54 mmol) piperidine (0.02 mL, 0.18 mmol) and ethanol (4 mL). The tube was capped and heated to 110° C. for 2 hrs. The reaction was cooled and concentrated then dissolved in ethyl acetate (30 mL) and washed with water (30 mL) and brine. The organic layer was dried (MgSO4), filtered and concentrated. The crude material was purified by isolera (25 g column, 2%-7% MeOH/DCM) to obtain 77 mg, (35%) of tert-butyl N-[4-[[(1R)-2-[4-amino-3-(2-fluoro-4-phenoxy-phenyl)pyrazolo[3,4-d]pyrimidin-1-yl]-1-methyl-ethyl]amino]-3-cyano-1,1-dimethyl-4-oxo-but-2-enyl]carbamate as a solid. MS (pos. ion) m/z: 615 (M+1).

Workup

  1. customThe tube was capped
  2. temperatureThe reaction was cooled
  3. concentrationconcentrated
  4. dissolutionthen dissolved in ethyl acetate (30 mL)
  5. washwashed with water (30 mL) and brine
  6. dry with materialThe organic layer was dried (MgSO4)
  7. filtrationfiltered
  8. concentrationconcentrated
  9. customThe crude material was purified by isolera (25 g column, 2%-7% MeOH/DCM)

Sources & evidence

ORD record
ord-f28d489332bc4493abef8c367c3d3111
Source dataset
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08673925B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes