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Diisopropylethylamine → 2-(3-Fluoro-phenyl)-4-methyl-pyrimidine-5-carboxylic acid (5-fluoro-3-methyl-pyrrolo[3,2-b]pyridin-1-yl)-amide

HRID 2382141
Notes
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Reaction equation

HRID 2382141 reaction equation
[F:1][C:2]1[CH:3]=[C:4]([C:8]2[N:13]=[C:12]([CH3:14])[C:11]([C:15]([OH:17])=O)=[CH:10][N:9]=2)[CH:5]=[CH:6][CH:7]=1.[F:18][C:19]1[N:24]=[C:23]2[C:25]([CH3:29])=[CH:26][N:27]([NH2:28])[C:22]2=[CH:21][CH:20]=1.CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[F:18][C:19]1[N:24]=[C:23]2[C:25]([CH3:29])=[CH:26][N:27]([NH:28][C:15]([C:11]3[C:12]([CH3:14])=[N:13][C:8]([C:4]4[CH:5]=[CH:6][CH:7]=[C:2]([F:1])[CH:3]=4)=[N:9][CH:10]=3)=[O:17])[C:22]2=[CH:21][CH:20]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

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 617025872-(3-Fluorophenyl)-4-methylpyrimidine-5-carboxylic acidHCID 685521755-Fluoro-3-methyl-pyrrolo[3,2-b]pyridin-1-ylamine

Product 1

HCID 59199986
2-(3-Fluoro-phenyl)-4-methyl-pyrimidine-5-carboxylic acid (5-fluoro-3-methyl-pyrrolo[3,2-b]pyridin-1-yl)-amide
Yield 66.9%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A solution of 2-(3-fluoro-phenyl)-4-methyl-pyrimidine-5-carboxylic acid (1.34 mmol), 5-fluoro-3-methyl-pyrrolo[3,2-b]pyridin-1-ylamine (1.34 mmol), DIPEA (158 mg, 4.02 mmol) and HATU (1.60 mmol) in anhydrous DMF (8 mL) is stirred at 90° C. for 16 h. DMF is evaporated off in vacuo. The residue is dissolved in EtOAc (40 mL), and washed with water (3×20 mL) and brine (10 mL). The organic layer is dried (Na2SO4), filtered, and concentrated in vacuo. The residue is purified by silica gel chromatography eluting with 0-60% EtOAc in heptane to afford 2-(3-fluoro-phenyl)-4-methyl-pyrimidine-5-carboxylic acid (5-fluoro-3-methyl-pyrrolo[3,2-b]pyridin-1-yl)-amide (340 mg) as a solid. MS: 380 (M+H); 1H NMR (300 MHz, CDCl3): δ 2.36 (s, 3H), 2.86 (s, 3H), 6.84 (d, H), 7.12-7.35 (m, 2H), 7.52 (q, H), 7.63 (t, H), 8.10-8.43 (m, 2H), 8.98 (br, N—H).

Workup

  1. customDMF is evaporated off in vacuo
  2. dissolutionThe residue is dissolved in EtOAc (40 mL)
  3. washwashed with water (3×20 mL) and brine (10 mL)
  4. dry with materialThe organic layer is dried (Na2SO4)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe residue is purified by silica gel chromatography
  8. washeluting with 0-60% EtOAc in heptane

Sources & evidence

ORD record
ord-ef3faa64d27e4b999161a7864eb236a9
Source dataset
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08258130B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes