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Ethanol → HCID 178466891, compound

HRID 450402
Notes
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Reaction equation

HRID 450402 reaction equation
[CH2:1]([O:3][C:4]1[NH:8][N:7]=[C:6]([NH:9][C:10]2[N:15]=[C:14]([NH:16][C@H:17]([C:20]3[CH:25]=[CH:24][C:23]([F:26])=[CH:22][N:21]=3)[CH2:18][OH:19])[CH:13]=[CH:12][C:11]=2[N+:27]([O-])=O)[CH:5]=1)[CH3:2].[CH2:30](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:15][C:14]([NH:16][C@H:17]([C:20]4[CH:25]=[CH:24][C:23]([F:26])=[CH:22][N:21]=4)[CH2:18][OH:19])=[CH:13][CH:12]=[C:11]3[N:27]=[CH:30]2)[CH:5]=1)[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 702EthanolHCID 8857Ethyl AcetateHCID 178466927(2R)-2-({6-[(5-Ethoxy-1H-pyrazol-3-yl)amino]-5-nitropyridin-2-yl}amino)-2-(5-fluoropyridin-2-yl)ethanol2×

Product 1

HCID 178466891HCID 178466891, compound

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalyst
HCID 57417360
Sodium chloride; water
Solvent

Procedure

(2R)-2-({6-[(5-ethoxy-1H-pyrazol-3-yl)amino]-5-nitropyridin-2-yl}amino)-2-(5-fluoropyridin-2-yl)ethanol (Intermediate 27, 0.2 g) was dissolved into ethanol (20 mL) with Pd—C (50 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 0.06 g of the title compound MS (electrospray): 384 (M+1) for C18H18FN7O2. 1H NMR (300 MHz, CD3OD) δ ppm 8.20 (d, 1H) 8.15 (s, 1H) 7.50 (d, 1H) 7.30 (dd, 1H) 6.40 (d, 1H) 5.85 (s, 1H) 5.00 (m, 1H) 4.00 (d, 2H) 3.80 (m, 2H) 1.00 (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-c639769955764ba98079db4680dc9f6b
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