Potassium Phosphate, Tribasic → 4-[1-Methyl-5-({5-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl}amino)-6-oxo-1,6-dihydropyridin-3-yl]-2-[(1R,11S)-7-oxo-3,6-diazatetracyclo[9.2.1.02,10.03,8]tetradeca-2(10),8-dien-6-yl]pyridine-3-carbaldehyde

HRID 1021807Notes

Reaction equation

HRID 1021807 reaction equation
Cl[C:2]1[CH:7]=[CH:6][N:5]=[C:4]([N:8]2[C:20](=[O:21])[C:19]3[N:11]([C:12]4[C@H:13]5[CH2:22][C@@H:16]([C:17]=4[CH:18]=3)[CH2:15][CH2:14]5)[CH2:10][CH2:9]2)[C:3]=1[CH:23]=[O:24].[CH3:25][N:26]1[CH:31]=[C:30](B2OC(C)(C)C(C)(C)O2)[CH:29]=[C:28]([NH:41][C:42]2[CH:51]=[C:45]3[CH2:46][N:47]([CH3:50])[CH2:48][CH2:49][N:44]3[N:43]=2)[C:27]1=[O:52].C([O-])(=O)C.[Na+].[O-]P([O-])([O-])=O.[K+].[K+].[K+]>[Pd].O.C(#N)C>[CH3:25][N:26]1[C:27](=[O:52])[C:28]([NH:41][C:42]2[CH:51]=[C:45]3[CH2:46][N:47]([CH3:50])[CH2:48][CH2:49][N:44]3[N:43]=2)=[CH:29][C:30]([C:2]2[CH:7]=[CH:6][N:5]=[C:4]([N:8]3[C:20](=[O:21])[C:19]4[N:11]([C:12]5[C@H:13]6[CH2:22][C@@H:16]([C:17]=5[CH:18]=4)[CH2:15][CH2:14]6)[CH2:10][CH2:9]3)[C:3]=2[CH:23]=[O:24])=[CH:31]1

Participants

8

Reactant 4

HCID 62657Potassium Phosphate, TribasicHCID 517045Sodium AcetateHCID 866839771-Methyl-3-(5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-oneHCID 866843014-Chloro-2-[(1R,11S)-7-oxo-3,6-diazatetracyclo[9.2.1.02,10.03,8]tetradeca-2(10),8-dien-6-yl]pyridine-3-carbaldehyde

Product 1

HCID 866843034-[1-Methyl-5-({5-methyl-4H,5H,6H,7H-pyrazolo[1,5-a]pyrazin-2-yl}amino)-6-oxo-1,6-dihydropyridin-3-yl]-2-[(1R,11S)-7-oxo-3,6-diazatetracyclo[9.2.1.02,10.03,8]tetradeca-2(10),8-dien-6-yl]pyridine-3-carbaldehydeYield 58.8%

Reagents, catalysts & solvents 3

HCID 23938PalladiumCatalystHCID 962WaterSolventHCID 6342AcetonitrileSolvent

Conditions

Temperature
100 °C

Procedure

A 100-mL round-bottomed flask equipped with a reflux condenser was charged with 170b (150 mg, 0.44 mmol), 1-methyl-3-(5-methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-ylamino)-5-(4,4,5,5-tetra-methyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one 135a (169 mg, 0.44 mmol), sodium acetate (72 mg, 0.88 mmol), K3PO4 (234 mg, 0.88 mmol), Pd (dppf) Cl2 (36 mg, 0.044 mmol), acetonitrile (20 mL), and water (1 mL). After bubbling nitrogen through the reaction mixture for 30 minutes, it was heated at 100° C. for 3 hours. The reaction mixture was evaporated under reduced pressure and the residue was purified by silica-gel column chromatography eluting with 25:1 dichloromethane/methanol to afford 170c (146 mg, 52%) as a brown solid. MS-ESI: [M+H]+ 565.3

Workup

  1. customA 100-mL round-bottomed flask equipped with a reflux condenser
  2. customAfter bubbling nitrogen through the reaction mixture for 30 minutes
  3. customThe reaction mixture was evaporated under reduced pressure
  4. customthe residue was purified by silica-gel column chromatography
  5. washeluting with 25:1 dichloromethane/methanol

Sources & evidence

ORD record
ord-905275fefc4a4a14a2946c2699ef184c
Source dataset
uspto-grants-2014_05
Patent number
US08716274B2

Reaction notes

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