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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-[1-methyl-5-({5-methyl-6-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl}amino)-6-oxo-1,6-dihydropyridin-3-yl]pyridin-3-yl)methyl Acetate

HRID 1022198
Notes
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Reaction equation

HRID 1022198 reaction equation
Br[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[CH:21]=[C:14]3[CH2:15][N:16]([CH3:20])[C:17](=[O:19])[CH2:18][N:13]3[N:12]=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].O.C(#N)C>[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:21]=[C:14]3[CH2:15][N:16]([CH3:20])[C:17](=[O:19])[CH2:18][N:13]3[N:12]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1)(=[O:24])[CH3:23]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 866840332-(5-Bromo-1-methyl-2-oxo-1,2-dihydropyridin-3-ylamino)-5-methyl-4,5-dihydropyrazolo[1,5-a]pyrazin-6(7H)-oneHCID 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 acetate

Product 1

HCID 86684564
(2-{4,4-Dimethyl-9-oxo-1,10-diazatricyclo[6.4.0.02,6]dodeca-2(6),7-dien-10-yl}-4-[1-methyl-5-({5-methyl-6-oxo-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl}amino)-6-oxo-1,6-dihydropyridin-3-yl]pyridin-3-yl)methyl Acetate
Yield 49%

Reagents, catalysts & solvents 3

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

Conditions

Temperature
100 °C

Procedure

A 25-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser was charged with 313e (150 mg, 0.43 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 (170 mg, 0.43 mmol), K3PO4 (183 mg, 0.86 mmol), sodium acetate (71 mg, 0.86 mmol), Pd(dppf)Cl2 (35 mg, 0.043 mmol), acetonitrile (10 mL), and water (0.5 mL). The system was subjected to three cycles of vacuum/nitrogen flush and heated at 100° C. for 3 h. After this time the reaction was cooled to room temperature and filtered. The filtrate was concentrated under reduced pressure. The residue was purified by silica-gel column chromatography eluting with 30:1 dichloromethane/methanol to afford 313f (131 mg, 49%) as a yellow solid. MS-ESI: [M+H]+ 625.3.

Workup

  1. customA 25-mL single-neck round-bottomed flask equipped with a magnetic stirrer and a reflux condenser
  2. customflush
  3. temperatureAfter this time the reaction was cooled to room temperature
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customThe residue was purified by silica-gel column chromatography
  7. washeluting with 30:1 dichloromethane/methanol

Sources & evidence

ORD record
ord-48367fac4888497282a63fb20fc5304a
Source dataset
uspto-grants-2014_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08716274B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes