Water → 6-[6-(Acetylamino)-3-pyridinyl]-N-[(4,6-dimethyl-2-oxo-1,2-dihydro-3-pyridinyl)methyl]-1-(1-methylethyl)-1H-indazole-4-carboxamide

HRID 1476487

Reaction equation

HRID 1476487 reaction equation
Br[C:2]1[CH:3]=[C:4]([C:14]([NH:16][CH2:17][C:18]2[C:19](=[O:26])[NH:20][C:21]([CH3:25])=[CH:22][C:23]=2[CH3:24])=[O:15])[C:5]2[CH:6]=[N:7][N:8]([CH:11]([CH3:13])[CH3:12])[C:9]=2[CH:10]=1.CC1(C)C(C)(C)OB([C:35]2[CH:36]=[CH:37][C:38]([NH:41][C:42](=[O:44])[CH3:43])=[N:39][CH:40]=2)O1.C(=O)(O)[O-].[Na+].O>COCCOC.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(Cl)Cl>[C:42]([NH:41][C:38]1[N:39]=[CH:40][C:35]([C:2]2[CH:3]=[C:4]([C:14]([NH:16][CH2:17][C:18]3[C:19](=[O:26])[NH:20][C:21]([CH3:25])=[CH:22][C:23]=3[CH3:24])=[O:15])[C:5]3[CH:6]=[N:7][N:8]([CH:11]([CH3:13])[CH3:12])[C:9]=3[CH:10]=2)=[CH:36][CH:37]=1)(=[O:44])[CH3:43]

Participants

7

Reactant 4

HCID 962WaterHCID 516892Sodium BicarbonateHCID 177502022-Acetamidopyridine-5-boronic acid pinacol esterHCID 545964906-bromo-N-((1,2-dihydro-4,6-dimethyl-2-oxopyridin-3-yl)methyl)-1-isopropyl-1H-indazole-4-carboxamide

Product 1

HCID 682102886-[6-(Acetylamino)-3-pyridinyl]-N-[(4,6-dimethyl-2-oxo-1,2-dihydro-3-pyridinyl)methyl]-1-(1-methylethyl)-1H-indazole-4-carboxamideYield 80.2%

Reagents, catalysts & solvents 2

HCID 178418807HCID 178418807, compoundCatalystHCID 18180031Water 1,2-dimethoxyethaneSolvent

Conditions

Temperature
120 °C

Procedure

In a 25 mL sealable tube under nitrogen were combined 6-bromo-N-[(4,6-dimethyl-2-oxo-1,2-dihydro-3-pyridinyl)methyl]-1-(1-methylethyl)-1H-indazole-4-carboxamide (110 mg, 0.24 mmol), N-[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-pyridinyl]acetamide (104 mg, 0.4 mmol) in DME/water (3 mL:1 mL). PdCl2(dppf)-CH2Cl2 (10.76 mg, 0.013 mmol) was added and the resulting mixture was degassed with nitrogen for 10 min. Sodium bicarbonate (66.4 mg, 0.79 mmol) was added, the vessel was sealed, and the insoluble mixture was heated in a microwave at 120° C. for 20 min. Water was added and the solids that precipitated were filtered off. DCM was added to the solids and it was purified by SiO2 chromatography (eluent: gradient 100% DCM to 80:20:2 DCM/MeOH/NH4OH). Fractions were evaporated. EtOAc was added, it was sonicated and the solids that precipitated were filtered, washed with hexanes and dried to afford the title compound (91 mg, 72%) as a light beige solid. 1H NMR (400 MHz, DMSO-d6) δ ppm 11.54 (s, 1H) 10.65 (s, 1H) 8.84 (d, J=2.27 Hz, 1H) 8.64 (t, J=4.93 Hz, 1H) 8.39 (s, 1H) 8.25-8.30 (m, 1H) 8.15-8.24 (m, 2H) 7.89-7.93 (m, 1H) 5.89 (s, 1H) 5.18 (quin, J=6.63 Hz, 1H) 4.40 (d, J=4.80 Hz, 2H) 2.22 (s, 3H) 2.13 (s, 3H) 2.12 (s, 3H) 1.51 (s, 3H) 1.50 (s, 3H). MS (ES) [M+H]+ 473.1.

Workup

  1. customIn a 25 mL sealable tube under nitrogen were combined
  2. customthe resulting mixture was degassed with nitrogen for 10 min
  3. customthe vessel was sealed
  4. customthe solids that precipitated
  5. filtrationwere filtered off
  6. additionDCM was added to the solids and it
  7. customwas purified by SiO2 chromatography (eluent: gradient 100% DCM to 80:20:2 DCM/MeOH/NH4OH)
  8. customFractions were evaporated
  9. additionEtOAc was added
  10. customit was sonicated
  11. customthe solids that precipitated
  12. filtrationwere filtered
  13. washwashed with hexanes
  14. customdried

Sources & evidence

ORD record
ord-9e2443270b06440bb5bc78ed50e84f55
Source dataset
uspto-grants-2015_04
Patent number
US09018382B2

Linked notes

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