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Methylamine → 1-(3-chloro-2-pyridinyl)-N-[4-iodo-2-methyl-6-[(methylamino)carbonyl]phenyl]-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide

HRID 1751754
Notes
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Reaction equation

HRID 1751754 reaction equation
[Cl:1][C:2]1[C:3]([N:8]2[C:12]([C:13]3[O:18][C:17](=[O:19])[C:16]4[CH:20]=[C:21]([I:25])[CH:22]=[C:23]([CH3:24])[C:15]=4[N:14]=3)=[CH:11][C:10]([C:26]([F:29])([F:28])[F:27])=[N:9]2)=[N:4][CH:5]=[CH:6][CH:7]=1.[CH3:30][NH2:31]>O1CCCC1>[Cl:1][C:2]1[C:3]([N:8]2[C:12]([C:13]([NH:14][C:15]3[C:16]([C:17]([NH:31][CH3:30])=[O:19])=[CH:20][C:21]([I:25])=[CH:22][C:23]=3[CH3:24])=[O:18])=[CH:11][C:10]([C:26]([F:27])([F:29])[F:28])=[N:9]2)=[N:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6329MethylamineHCID 184469312-[1-(3-chloro-2-pyridinyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl]-6-iodo-8-methyl-4H-3,1-benzoxazin-4-one2×

Product 1

HCID 444437421-(3-chloro-2-pyridinyl)-N-[4-iodo-2-methyl-6-[(methylamino)carbonyl]phenyl]-3-(trifluoromethyl)-1H-pyrazole-5-carboxamide

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 2-[1-(3-chloro-2-pyridinyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl]-6-iodo-8-methyl-4H-3,1-benzoxazin-4-one (i.e. the benzoxazinone product of Example 1, Step D) (500 mg, 0.94 mmol) in tetrahydrofuran (15 mL) was added dropwise methylamine (2.0 M solution in THF, 1.4 mL, 2.8 mmol) and the reaction mixture was stirred for 3 hours, at which point thin layer chromatography on silica gel confirmed completion of the reaction. The tetrahydrofuran solvent was evaporated under reduced pressure and the residual solid was purified by chromatography on silica gel to afford 400 mg of the title compound as a yellow solid.

Workup

  1. customThe tetrahydrofuran solvent was evaporated under reduced pressure
  2. customthe residual solid was purified by chromatography on silica gel

Sources & evidence

ORD record
ord-6dfad5b7ec49478393607065db8d8c8a
Source dataset
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09161540B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes