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

HRID 593000Notes

Reaction equation

HRID 593000 reaction equation
Br[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:15]=[C:14]([CH3:16])[N:13]([CH2:17][CH3:18])[N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1.[C:19]([O:22][CH2:23][C:24]1[C:25]([N:33]2[CH2:44][CH2:43][N:42]3[C:35](=[CH:36][C:37]4[CH2:38][C:39]([CH3:46])([CH3:45])[CH2:40][C:41]=43)[C:34]2=[O:47])=[N:26][CH:27]=[CH:28][C:29]=1B(O)O)(=[O:21])[CH3:20].[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:19]([O:22][CH2:23][C:24]1[C:25]([N:33]2[CH2:44][CH2:43][N:42]3[C:35](=[CH:36][C:37]4[CH2:38][C:39]([CH3:46])([CH3:45])[CH2:40][C:41]=43)[C:34]2=[O:47])=[N:26][CH:27]=[CH:28][C:29]=1[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:15]=[C:14]([CH3:16])[N:13]([CH2:17][CH3:18])[N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1)(=[O:21])[CH3:20]

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 580442355-Bromo-3-(1-ethyl-5-methyl-1H-pyrazol-3-ylamino)-1-methylpyridin-2(1H)-oneHCID 86684340[4-(Dihydroxyboranyl)-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

Product 1

HCID 86684483(2-{4,4-Dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}-4-{5-[(1-ethyl-5-methyl-1H-pyrazol-3-yl)amino]-1-methyl-6-oxo-1,6-dihydropyridin-3-yl}pyridin-3-yl)methyl AcetateYield 32.1%

Reagents, catalysts & solvents 3

HCID 178418228Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)CatalystHCID 962WaterSolventHCID 6342AcetonitrileSolvent

Conditions

Temperature
100 °C

Procedure

A round-bottomed flask equipped with a reflux condenser was charged with 252a (200 mg, 0.64 mmol), (3-(acetoxymethyl)-2-(7,7-dimethyl-1-oxo-3,4,7,8-tetrahydro-1H-cyclopenta[4,5]pyrrolo[1,2-a]pyrazin-2(6H)-yl)pyridin-4-yl)boronic acid 199e (309 mg, 0.64 mmol), PdCl2(dppf) (52.5 mg, 0.060 mmol), K3PO4 (333 mg, 1.29 mmol), sodium acetate (105 mg, 1.29 mmol), acetonitrile (10 mL), and water (0.5 mL). After three cycles of vacuum/argon flush, the mixture was heated at 100° C. for 3 h. It was then filtered and the filtrate was evaporated in vacuo. The residue was purified by silica-gel column chromatography eluting with 1:20 methanol/dichloromethane to afford 252b as a yellow solid (120 mg, 27.6%). MS-ESI: [M+H]+ 584.3

Workup

  1. customA round-bottomed flask equipped with a reflux condenser
  2. customAfter three cycles of vacuum/argon flush
  3. filtrationIt was then filtered
  4. customthe filtrate was evaporated in vacuo
  5. customThe residue was purified by silica-gel column chromatography
  6. washeluting with 1:20 methanol/dichloromethane

Sources & evidence

ORD record
ord-4787f0853a56483bb131b00919c1a927
Source dataset
uspto-grants-2016_01
Patent number
US09238655B2

Reaction notes

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