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Ethanol → HCID 178466890, compound

HRID 450403
Notes
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Reaction equation

HRID 450403 reaction equation
[CH2:1]([O:3][C:4]1[NH:8][N:7]=[C:6]([NH:9][C:10]2[C:15]([N+:16]([O-])=O)=[CH:14][CH:13]=[C:12]([NH:19][C@H:20]([C:22]3[N:27]=[CH:26][C:25]([F:28])=[CH:24][N:23]=3)[CH3:21])[N:11]=2)[CH:5]=1)[CH3:2].[CH2:29](O)C.C(OCC)(=O)C>[Cl-].[Na+].O.[Pd]>[CH2:1]([O:3][C:4]1[NH:8][N:7]=[C:6]([N:9]2[C:10]3=[N:11][C:12]([NH:19][C@H:20]([C:22]4[N:27]=[CH:26][C:25]([F:28])=[CH:24][N:23]=4)[CH3:21])=[CH:13][CH:14]=[C:15]3[N:16]=[CH:29]2)[CH:5]=1)[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 702EthanolHCID 8857Ethyl AcetateHCID 178466925HCID 178466925, compound2×

Product 1

HCID 178466890HCID 178466890, compound

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 57417360
Sodium chloride; water
Solvent

Procedure

N2-(5-Ethoxy-1H-pyrazol-3-yl)-N6-[(1S)-1-(5-fluoropyrimidin-2-yl)ethyl]-3-nitropyridine-2,6-diamine (Intermediate 28, 0.3 g) was dissolved into ethanol (20 mL) with Pd—C (90 mg) and a hydrogen inlet. The mixture was stirred at room temperature until no starting material was detected with TLC or LCMS. Formylamidine acetate (0.5 g) was added to the filtrate after the filtration of resulting mixture. The mixture was stirred at 85° C. for 4 hours. Ethyl acetate (40 mL) was added into the resulting mixture, and brine (10 mL×3) was used to wash the organic layer. The organic layer was dried and concentrated. The resulting residue was separated by silica gel column (Ethyl acetate/MeOH) to afford 0.034 g of the title compound. MS (electrospray): 369 (M+1) for C17H17FN8O. 1H NMR (300 MHz, CD3OD) δ ppm 8.70 (s, 2H) 8.30 (s, 1H) 7.80 (d, 1H) 6.80 (d, 1H) 6.30 (s, 1H) 5.40 (m, 1H) 4.30 (q, 2H) 1.70 (d, 3H) 1.55 (t, 3H).

Workup

  1. filtrationafter the filtration
  2. customof resulting mixture
  3. stirringThe mixture was stirred at 85° C. for 4 hours
  4. washto wash the organic layer
  5. customThe organic layer was dried
  6. concentrationconcentrated
  7. customThe resulting residue was separated by silica gel column (Ethyl acetate/MeOH)

Sources & evidence

ORD record
ord-7d8a20b9f7c84b7ca383cd2b7efa416c
Source dataset
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08486966B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes