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Ethyl Acetate → 4-{6-Amino-7-[(R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]furo[3,2-c]pyridin-3-yl}-piperidine-1-carboxamide

HRID 911999
Notes
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Reaction equation

HRID 911999 reaction equation
[NH2:1][C:2]1[N:7]=[CH:6][C:5]2[C:8]([C:11]3[CH2:12][CH2:13][N:14]([C:17]([NH2:19])=[O:18])[CH2:15][CH:16]=3)=[CH:9][O:10][C:4]=2[C:3]=1[O:20][C@@H:21]([C:23]1[C:28]([Cl:29])=[CH:27][CH:26]=[C:25]([F:30])[C:24]=1[Cl:31])[CH3:22].CCOC(C)=O>[Pd].CO>[NH2:1][C:2]1[N:7]=[CH:6][C:5]2[C:8]([CH:11]3[CH2:12][CH2:13][N:14]([C:17]([NH2:19])=[O:18])[CH2:15][CH2:16]3)=[CH:9][O:10][C:4]=2[C:3]=1[O:20][C@@H:21]([C:23]1[C:28]([Cl:29])=[CH:27][CH:26]=[C:25]([F:30])[C:24]=1[Cl:31])[CH3:22]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 8857Ethyl AcetateHCID 441816544-{6-Amino-7-[(R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]-furo[3,2-c]pyridin-3-yl}-3,6-dihydro-2H-pyridine-1-carboxamide

Product 1

HCID 578123434-{6-Amino-7-[(R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]furo[3,2-c]pyridin-3-yl}-piperidine-1-carboxamide

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalyst
HCID 887
Methanol
Solvent

Procedure

A mixture of 4-{6-amino-7-[(R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]furo[3,2-c]pyridine-3-yl}-3,6-dihydro-2H-pyridine-1-carboxamide (17.0 mg, 0.037 mmol), palladium 10% wt on activated carbon (10 mg), EtOAc (4 mL) and MeOH (0.4 mL) was flushed with nitrogen, then a hydrogen (0.5 L) balloon was added, and the mixture was stirred at rt for 3 h. The suspension was filtered through a syringe filter pad, and the filtrate was concentrated in vacuo. The material was redissolved in MeOH (0.5 mL) and purified via HPLC. The fractions containing the pure product were concentrated in vacuo to afford the title compound as a white solid. 1H NMR (400 MHz, CD3OD): δ=1.55-1.69 (m, 2H), 1.87 (d, J=6.8 Hz, 3H), 1.98-2.06 (m, 2H), 2.89-3.03 (m, 3H), 4.11 (d, J=12.9 Hz, 2H), 6.53 (q, J=6.7 Hz, 1H), 7.18-7.25 (m, 1H), 7.37-7.43 (m, 2H), 8.02 (s, 1H). MS (ES+): m/z 467.01/469.00 (100/69) [MH+]. HPLC: tR=2.58 min (ZQ3, polar—5 min).

Workup

  1. customwas flushed with nitrogen
  2. additiona hydrogen (0.5 L) balloon was added
  3. filtrationThe suspension was filtered through a syringe
  4. filtrationfilter pad
  5. concentrationthe filtrate was concentrated in vacuo
  6. dissolutionThe material was redissolved in MeOH (0.5 mL)
  7. custompurified via HPLC
  8. additionThe fractions containing the pure product
  9. concentrationwere concentrated in vacuo

Sources & evidence

ORD record
ord-77baab77cd8141dea17bb0193e0e7260
Source dataset
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08022206B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes