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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-[(1-methyl-1H-imidazol-4-yl)amino]-6-oxo-1,6-dihydropyridin-3-yl}pyridin-3-yl)methyl Acetate

HRID 1411969
Notes
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Reaction equation

HRID 1411969 reaction equation
Br[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[N:12]=[CH:13][N:14]([CH3:16])[CH:15]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1.[C:17]([O:20][CH2:21][C:22]1[C:23]([N:37]2[CH2:48][CH2:47][N:46]3[C:39](=[CH:40][C:41]4[CH2:42][C:43]([CH3:50])([CH3:49])[CH2:44][C:45]=43)[C:38]2=[O:51])=[N:24][CH:25]=[CH:26][C:27]=1B1OC(C)(C)C(C)(C)O1)(=[O:19])[CH3:18].[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:17]([O:20][CH2:21][C:22]1[C:23]([N:37]2[CH2:48][CH2:47][N:46]3[C:39](=[CH:40][C:41]4[CH2:42][C:43]([CH3:50])([CH3:49])[CH2:44][C:45]=43)[C:38]2=[O:51])=[N:24][CH:25]=[CH:26][C:27]=1[C:2]1[CH:3]=[C:4]([NH:10][C:11]2[N:12]=[CH:13][N:14]([CH3:16])[CH:15]=2)[C:5](=[O:9])[N:6]([CH3:8])[CH:7]=1)(=[O:19])[CH3:18]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 866839805-Bromo-1-methyl-3-(1-methyl-1H-imidazol-4-ylamino)pyridin-2(1H)-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 86684508
(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-[(1-methyl-1H-imidazol-4-yl)amino]-6-oxo-1,6-dihydropyridin-3-yl}pyridin-3-yl)methyl Acetate
Yield 94.3%

Reagents, catalysts & solvents 3

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

Conditions

Temperature
90 °C

Procedure

A 50-mL round-bottomed flask equipped with a reflux condenser was charged with 268c (150 mg, 0.53 mmol), {3-[(acetyloxy)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 (80.4 mg, 0.21 mmol), Pd(dppf)Cl2 (17.2 mg, 0.021 mmol), K3PO4 (89 mg, 0.42 mmol), sodium acetate (57.1 mg, 0.42 mmol), water (0.2 mL), and acetonitrile (10 mL). After three cycles of vacuum/argon flush, the mixture was heated at 90° C. for 2.5 hrs. 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 dichloromethane/methanol (30:1 to 20:1) to afford 268d (110 mg, 37.2%) as brown solid. MS-ESI: [M+H]+ 556.4.

Workup

  1. customA 50-mL round-bottomed flask equipped with a reflux condenser
  2. customAfter three cycles of vacuum/argon flush
  3. temperatureIt was then cooled to room temperature
  4. filtrationfiltered
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customthe resulting residue was purified by silica-gel column chromatography
  7. washeluting with dichloromethane/methanol (30:1 to 20:1)

Sources & evidence

ORD record
ord-d41fb4c36f68495fa8c72398db6d97da
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08921353B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes