Water → 2-(4-(2-(3-amino-1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)-1H-pyrazol-1-yl)ethanol

HRID 886222Notes

Reaction equation

HRID 886222 reaction equation
Br[C:2]1[CH:24]=[CH:23][C:5]2[C:6]3[N:10]([CH2:11][CH2:12][O:13][C:4]=2[CH:3]=1)[CH:9]=[C:8]([C:14]1[N:18]([CH:19]([CH3:21])[CH3:20])[N:17]=[C:16]([NH2:22])[N:15]=1)[N:7]=3.C(=O)([O-])[O-].[K+].[K+].C(#N)C.O.CC1(C)C(C)(C)OB([C:43]2[CH:44]=[N:45][N:46]([CH2:48][CH2:49][O:50]C(=O)C)[CH:47]=2)O1>C(Cl)Cl.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[NH2:22][C:16]1[N:15]=[C:14]([C:8]2[N:7]=[C:6]3[C:5]4[CH:23]=[CH:24][C:2]([C:43]5[CH:44]=[N:45][N:46]([CH2:48][CH2:49][OH:50])[CH:47]=5)=[CH:3][C:4]=4[O:13][CH2:12][CH2:11][N:10]3[CH:9]=2)[N:18]([CH:19]([CH3:21])[CH3:20])[N:17]=1

Participants

8

Reactant 5

HCID 962WaterHCID 6342AcetonitrileHCID 11430Potassium CarbonateHCID 497584812-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)ethyl acetateHCID 582044395-(8-Bromo-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-2-yl)-1-isopropyl-1H-[1,2,4]triazol-3-ylamine

Product 1

HCID 582043432-(4-(2-(3-amino-1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)-1H-pyrazol-1-yl)ethanolYield 17.8%

Reagents, catalysts & solvents 2

HCID 178418397HCID 178418397, compoundCatalystHCID 6344DichloromethaneSolvent

Conditions

Temperature
140 °C

Procedure

To a microwave vial was added 5-(8-Bromo-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-2-yl)-1-isopropyl-1H-[1,2,4]triazol-3-ylamine (0.180 g, 0.000462 mol) and potassium carbonate (0.1917 g, 0.001387 mol) in acetonitrile (2.0 mL, 0.038 mol) and water (2.0 mL, 0.11 mol). The reaction was thoroughly degassed and purged with N2 for 5 minutes. Tetrakis(triphenylphosphine)palladium(0) (0.05344 g, 4.624E-5 mol) and Acetic acid 2-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyrazol-1-yl]-ethyl ester (0.1554 g, 0.0005549 mol) were added and the vial was sealed immediately. The reaction was heated to 140° C. for 20 minutes in the microwave. The mixture was diluted with methylene chloride and filtered through celite. Saturated NH4Cl was added and the mixture was extracted 3 times with methylene chloride. The organic layers were combined, dried with MgSO4 and concentrated. The crude was purified by reverse-phase HPLC to give 211 (34.6 mg) as a colorless solid. MS (ESI+) 421.1. 1H NMR (400 MHz, DMSO) δ 8.35 (d, J=8.4, 1H), 8.22 (s, 1H), 7.95 (s, 1H), 7.73 (s, 1H), 7.38 (dd, J=8.4, 1.8, 1H), 7.27 (d, J=1.7, 1H), 5.84-5.69 (m, 1H), 5.19 (s, 2H), 4.93 (t, J=5.3, 1H), 4.50 (s, 4H), 4.16 (t, J=5.6, 2H), 3.77 (q, J=5.6, 2H), 1.42 (d, J=6.6, 6H)

Workup

  1. customThe reaction was thoroughly degassed
  2. custompurged with N2 for 5 minutes
  3. customthe vial was sealed immediately
  4. filtrationfiltered through celite
  5. additionSaturated NH4Cl was added
  6. extractionthe mixture was extracted 3 times with methylene chloride
  7. dry with materialdried with MgSO4
  8. concentrationconcentrated
  9. customThe crude was purified by reverse-phase HPLC

Sources & evidence

ORD record
ord-a142de73077944d482618eefc503420d
Source dataset
uspto-grants-2012_08
Patent number
US08242104B2

Reaction notes

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