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Potassium Phosphate, Tribasic → {2-[5-({5-[(2S)-2-Ethyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl}amino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl]-4-fluoro-6-{6-oxo-8-thia-4,5-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3-trien-5-yl]phenyl}methyl Acetate

HRID 1026481
Notes
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Reaction equation

HRID 1026481 reaction equation
Br[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:16]=[CH:15][C:14]([N:17]3[CH2:22][CH2:21][N:20]([CH:23]4[CH2:26][O:25][CH2:24]4)[CH2:19][C@@H:18]3[CH2:27][CH3:28])=[CH:13][N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1.[C:29]([O:32][CH2:33][C:34]1[C:39](B2OC(C)(C)C(C)(C)O2)=[CH:38][C:37]([F:49])=[CH:36][C:35]=1[N:50]1[C:62](=[O:63])[C:61]2[S:60][C:59]3[CH2:58][CH2:57][CH2:56][CH2:55][C:54]=3[C:53]=2[CH:52]=[N:51]1)(=[O:31])[CH3:30].[O-]P([O-])([O-])=O.[K+].[K+].[K+].C([O-])(=O)C.[Na+]>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].O.C(#N)C>[C:29]([O:32][CH2:33][C:34]1[C:35]([N:50]2[C:62](=[O:63])[C:61]3[S:60][C:59]4[CH2:58][CH2:57][CH2:56][CH2:55][C:54]=4[C:53]=3[CH:52]=[N:51]2)=[CH:36][C:37]([F:49])=[CH:38][C:39]=1[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:16]=[CH:15][C:14]([N:17]3[CH2:22][CH2:21][N:20]([CH:23]4[CH2:26][O:25][CH2:24]4)[CH2:19][C@@H:18]3[CH2:27][CH3:28])=[CH:13][N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1)(=[O:31])[CH3:30]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 58043634(4-Fluoro-2-{6-oxo-8-thia-4,5-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3-trien-5-yl}-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methyl acetateHCID 86683708(S)-5-bromo-3-(5-(2-ethyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one

Product 1

HCID 86683751
{2-[5-({5-[(2S)-2-Ethyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl}amino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl]-4-fluoro-6-{6-oxo-8-thia-4,5-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3-trien-5-yl]phenyl}methyl Acetate
Yield 41%

Reagents, catalysts & solvents 3

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 962WaterSolventHCID 6342AcetonitrileSolvent

Procedure

A 25-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser was charged with (S)-5-bromo-3-(5-(2-ethyl-4-(oxetan-3-yl)piperazin-1-yl)pyridin-2-ylamino)-1-methylpyridin-2(1H)-one 114e (179 mg, 0.40 mmol), (4-fluoro-2-{6-oxo-8-thia-4,5-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3-trien-5-yl}-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methyl acetate 117e (200 mg, 0.40 mmol), Pd(dppf)Cl2 (29 mg, 0.04 mmol), K3PO4 (170 mg, 0.8 mmol), sodium acetate (66 mg, 0.8 mmol), acetonitrile (5 mL), and water (1.0 mL). After three cycles of vacuum/argon flush, the mixture was heated at reflux for 2 h. It was then cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure and the resulting residue was purified by silica-gel column chromatography eluting with 30:1 dichloromethane/methanol to afford 120a as a yellow solid (120 mg, 41%). MS: [M+H]+ 740.3

Workup

  1. customA 25-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser
  2. customAfter three cycles of vacuum/argon flush
  3. temperaturethe mixture was heated
  4. temperatureat reflux for 2 h
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated under reduced pressure
  7. customthe resulting residue was purified by silica-gel column chromatography
  8. washeluting with 30:1 dichloromethane/methanol

Sources & evidence

ORD record
ord-5a85eda127f94ee9b3c4fd03ffa60a8d
Source dataset
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08729072B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes