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Methylhydrazine → 4-(azetidin-1-yl)-1-methyl-3-{1-methyl-5-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-4-yl}-1H-pyrazolo[3,4-d]pyrimidine

HRID 72713
Notes
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Reaction equation

HRID 72713 reaction equation
[CH3:1][NH:2][NH2:3].[N:4]1([C:8]2[C:13]([C:14]([C:16]3[CH:17]=[N:18][N:19]([CH3:31])[C:20]=3[C:21]3[CH:26]=[CH:25][C:24]([C:27]([F:30])([F:29])[F:28])=[CH:23][N:22]=3)=O)=[C:12](Cl)[N:11]=[CH:10][N:9]=2)[CH2:7][CH2:6][CH2:5]1>O1CCOCC1>[N:4]1([C:8]2[N:9]=[CH:10][N:11]=[C:12]3[N:2]([CH3:1])[N:3]=[C:14]([C:16]4[CH:17]=[N:18][N:19]([CH3:31])[C:20]=4[C:21]4[CH:26]=[CH:25][C:24]([C:27]([F:30])([F:29])[F:28])=[CH:23][N:22]=4)[C:13]=23)[CH2:7][CH2:6][CH2:5]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6061MethylhydrazineHCID 86712564[4-(azetidin-1-yl)-6-chloropyrimidin-5-yl]{1-methyl-5-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-4-yl}methanone

Product 1

HCID 711142984-(azetidin-1-yl)-1-methyl-3-{1-methyl-5-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-4-yl}-1H-pyrazolo[3,4-d]pyrimidine

Reagents, catalysts & solvents 1

HCID 312751,4-DioxaneSolvent

Procedure

Methylhydrazine (98%, 0.254 mL, 4.73 mmol) was added to a solution of [4-(azetidin-1-yl)-6-chloropyrimidin-5-yl]{1-methyl-5-[5-(trifluoromethyl)pyridin-2-yl]-1H-pyrazol-4-yl}methanone (C16) (200 mg, 0.473 mmol) in 1,4-dioxane (4 mL), and the reaction mixture was allowed to stir for 18 hours at room temperature. After removal of solvent in vacuo, the residue was chromatographed on silica gel to provide the product as a solid. Yield: 120 mg, 0.290 mmol, 61%. LCMS m/z 415.0 (M+1). 1H NMR (400 MHz, CD3OD) δ 2.25-2.34 (m, 2H), 3.79-4.04 (br m, 4H), 3.94 (s, 3H), 3.98 (s, 3H), 7.80 (s, 1H), 7.85 (d, J=8.2 Hz, 1H), 8.12-8.16 (m, 1H), 8.17 (s, 1H), 8.77-8.79 (m, 1H).

Workup

  1. customAfter removal of solvent in vacuo
  2. customthe residue was chromatographed on silica gel

Sources & evidence

ORD record
ord-3f6f130e11684da59bae748a646efecb
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08829010B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes