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Diisopropylethylamine → (R,E)-1-(3-(4-amino-3-(4-(3-fluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidin-1-yl)-4-(cyclobutyl(methyl)amino)but-2-en-1-one

HRID 2280252
Notes
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Reaction equation

HRID 2280252 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([CH:27]=[CH:28][CH:29]=1)[O:5][C:6]1[CH:11]=[CH:10][C:9]([C:12]2[C:20]3[C:15](=[N:16][CH:17]=[N:18][C:19]=3[NH2:21])[N:14]([C@@H:22]3[CH2:26][CH2:25][NH:24][CH2:23]3)[N:13]=2)=[CH:8][CH:7]=1.Cl.[CH:31]1([N:35]([CH3:42])[CH2:36]/[CH:37]=[CH:38]/[C:39](O)=[O:40])[CH2:34][CH2:33][CH2:32]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C.CC(=O)OCC>[NH2:21][C:19]1[N:18]=[CH:17][N:16]=[C:15]2[N:14]([C@@H:22]3[CH2:26][CH2:25][N:24]([C:39](=[O:40])/[CH:38]=[CH:37]/[CH2:36][N:35]([CH:31]4[CH2:34][CH2:33][CH2:32]4)[CH3:42])[CH2:23]3)[N:13]=[C:12]([C:9]3[CH:10]=[CH:11][C:6]([O:5][C:4]4[CH:27]=[CH:28][CH:29]=[C:2]([F:1])[CH:3]=4)=[CH:7][CH:8]=3)[C:20]=12
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 71209019(R)-3-(4-(3-fluorophenoxy)phenyl)-1-(pyrrolidin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amineHCID 71209048(E)-4-(cyclobutyl(methyl)amino)but-2-enoic acid hydrochloride

Product 1

HCID 71208320
(R,E)-1-(3-(4-amino-3-(4-(3-fluorophenoxy)phenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)pyrrolidin-1-yl)-4-(cyclobutyl(methyl)amino)but-2-en-1-one
Yield 17.2%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a solution of 4a (134 mg, 0.344 mmol), (E)-4-(cyclobutyl(methyl)amino)but-2-enoic acid hydrochloride (0.344 mmol) and HATU (122 mg, 0.38 mmol) in DMF (1.5 ml) was dropwise added DIPEA (134 mg, 1.032 mmol) at rt. Stirring was continued for 30 min at rt (monitored by HPLC). The reaction mixture was diluted with EA, washed with water and brine, and dried over sodium sulfate. Filtration followed by concentration under reduced pressure provided a residue which was purified by flash chromatography using silica gel (1-12% MeOH/DCM) to give 32 mg of the title compound (4b). MS (ESI) m/e (M+1H)+: 542.1.

Workup

  1. customat rt
  2. washwashed with water and brine
  3. dry with materialdried over sodium sulfate
  4. filtrationFiltration
  5. concentrationfollowed by concentration under reduced pressure
  6. customprovided a residue which
  7. customwas purified by flash chromatography

Sources & evidence

ORD record
ord-1b68c5b88d2c411886d17d40a679da29
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09138436B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes