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Potassium Phosphate, Tribasic → {4-[5-({1,3-Dimethyl-1H-pyrazolo[3,4-c]pyridin-5-yl}amino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl]-2-{4,4-dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}pyridin-3-yl}methyl Acetate

HRID 1022224
Notes
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Reaction equation

HRID 1022224 reaction equation
Br[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:12]=[C:13]3[C:19]([CH3:20])=[N:18][N:17]([CH3:21])[C:14]3=[CH:15][N:16]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1.[C:22]([O:25][CH2:26][C:27]1[C:28]([N:42]2[CH2:53][CH2:52][N:51]3[C:44](=[CH:45][C:46]4[CH2:47][C:48]([CH3:55])([CH3:54])[CH2:49][C:50]=43)[C:43]2=[O:56])=[N:29][CH:30]=[CH:31][C:32]=1B1OC(C)(C)C(C)(C)O1)(=[O:24])[CH3:23].[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].C(#N)C.O>[C:22]([O:25][CH2:26][C:27]1[C:28]([N:42]2[CH2:53][CH2:52][N:51]3[C:44](=[CH:45][C:46]4[CH2:47][C:48]([CH3:55])([CH3:54])[CH2:49][C:50]=43)[C:43]2=[O:56])=[N:29][CH:30]=[CH:31][C:32]=1[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:12]=[C:13]3[C:19]([CH3:20])=[N:18][N:17]([CH3:21])[C:14]3=[CH:15][N:16]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1)(=[O:24])[CH3:23]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 86684419(2-(7,7-dimethyl-1-oxo-3,4,7,8-tetrahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2(6H)-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)methyl acetateHCID 86684586HCID 86684586, compound

Product 1

HCID 86684585
{4-[5-({1,3-Dimethyl-1H-pyrazolo[3,4-c]pyridin-5-yl}amino)-1-methyl-6-oxo-1,6-dihydropyridin-3-yl]-2-{4,4-dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}pyridin-3-yl}methyl Acetate
Yield 33%

Reagents, catalysts & solvents 3

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

Procedure

A 100-mL round-bottomed flask equipped with a magnetic stirrer and a reflux condenser was charged with 325f (120 mg, 0.35 mmol), {3-[(acetoxy)methyl]-2-{4,4-dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}pyridin-4-yl}boronic acid 199e (417 mg, 1.05 mmol), Pd(dppf)Cl2 (29 mg, 0.035 mmol), K3PO4 (148.0 mg, 0.70 mmol), sodium acetate (57.4 mg, 0.70 mmol), water (0.5 mL), and acetonitrile (15 mL). After three cycles of vacuum/nitrogen flush, the mixture was heated at reflux for 1 hr. 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 325g as a yellow solid (70 mg, 33%). MS-ESI: [M+H]+ 620.8.

Workup

  1. customA 100-mL round-bottomed flask equipped with a magnetic stirrer and a reflux condenser
  2. customAfter three cycles of vacuum/nitrogen flush
  3. temperaturethe mixture was heated
  4. temperatureat reflux for 1 hr
  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-5ad14c0bb7474cdc8c23e0c9c225d5d5
Source dataset
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08716274B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes