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Potassium Phosphate, Tribasic → 2-{4,4-Dimethyl-9-oxo-7-thia-10,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),11-trien-10-yl}-4-(5-{[5-(2-methoxyethyl)-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl]amino}-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)pyridine-3-carbaldehyde

HRID 1412048
Notes
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Reaction equation

HRID 1412048 reaction equation
Cl[C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[N:19]=[CH:18][C:17]3[C:16]4[CH2:15][C:14]([CH3:21])([CH3:20])[CH2:13][C:12]=4[S:11][C:10]=3[C:9]2=[O:22])[C:3]=1[CH:23]=[O:24].[CH3:25][O:26][CH2:27][CH2:28][N:29]1[CH2:34][CH2:33][N:32]2[N:35]=[C:36]([NH:38][C:39]3[C:40](=[O:55])[N:41]([CH3:54])[CH:42]=[C:43](B4OC(C)(C)C(C)(C)O4)[CH:44]=3)[CH:37]=[C:31]2[CH2:30]1.[O-]P([O-])([O-])=O.[K+].[K+].[K+].C([O-])(=O)C.[Na+]>O.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>[CH3:20][C:14]1([CH3:21])[CH2:13][C:12]2[S:11][C:10]3[C:9](=[O:22])[N:8]([C:4]4[C:3]([CH:23]=[O:24])=[C:2]([C:43]5[CH:44]=[C:39]([NH:38][C:36]6[CH:37]=[C:31]7[CH2:30][N:29]([CH2:28][CH2:27][O:26][CH3:25])[CH2:34][CH2:33][N:32]7[N:35]=6)[C:40](=[O:55])[N:41]([CH3:54])[CH:42]=5)[CH:7]=[CH:6][N:5]=4)[N:19]=[CH:18][C:17]=3[C:16]=2[CH2:15]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 866839943-(5-(2-Methoxyethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-1-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-oneHCID 866845164-Chloro-2-{4,4-dimethyl-9-oxo-7-thia-10,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),11-trien-10-yl}pyridine-3-carbaldehyde

Product 1

HCID 86684551
2-{4,4-Dimethyl-9-oxo-7-thia-10,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),11-trien-10-yl}-4-(5-{[5-(2-methoxyethyl)-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl]amino}-1-methyl-6-oxo-1,6-dihydropyridin-3-yl)pyridine-3-carbaldehyde

Reagents, catalysts & solvents 3

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

Conditions

Temperature
100 °C

Procedure

A 50-mL round-bottomed flask equipped with a reflux condenser was charged with 4-chloro-2-{4,4-dimethyl-9-oxo-7-thia-10,11-diazatricyclo[6.4.0.02,6]dodeca-1(8),2(6),11-trien-10-yl}pyridine-3-carbaldehyde 282i (60 mg, 0.167 mmol), 304d (143.4 mg, 0.334 mmol), Pd(dppf)Cl2 (6.8 mg, 0.0084 mol), K3PO4 (70.8 mg, 0.334 mmol), sodium acetate (27.4 mg, 0.334 mmol), acetonitrile (10 mL), and water (3 drops). The system was subjected to three cycles of vacuum/nitrogen flush and heated at 100° C. for 1 h under N2 protection. Analysis of reaction mixture by LCMS showed complete conversion to the desired product. It 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 40:1 dichloromethane/methanol to afford 304e (80 mg, 77%) as white solid. MS-ESI: [M+H]+ 626.8

Workup

  1. customA 50-mL round-bottomed flask equipped with a reflux condenser
  2. customflush
  3. customAnalysis of reaction mixture by LCMS

Sources & evidence

ORD record
ord-29db9062c0d34be38357ca0f4b8b24b6
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