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Cesium fluoride → 1-[4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-1-(tetrahydro-pyran-2-yl)-1H-imidazol-2-yl]-2-methyl-propan-2-ol

HRID 1629322
Notes
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Reaction equation

HRID 1629322 reaction equation
[CH:1]([N:4]1[C:8]([C:9]2[N:10]=[C:11]3[C:17]4[CH:18]=[CH:19][C:20](B5OC(C)(C)C(C)(C)O5)=[CH:21][C:16]=4[O:15][CH2:14][CH2:13][N:12]3[CH:31]=2)=[N:7][CH:6]=[N:5]1)([CH3:3])[CH3:2].Br[C:33]1[N:34]=[C:35]([CH2:44][C:45]([CH3:48])([OH:47])[CH3:46])[N:36]([CH:38]2[CH2:43][CH2:42][CH2:41][CH2:40][O:39]2)[CH:37]=1.[F-].[Cs+]>CN(C=O)C.[Cu]I.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>[CH:1]([N:4]1[C:8]([C:9]2[N:10]=[C:11]3[N:12]([CH2:13][CH2:14][O:15][C:16]4[CH:21]=[C:20]([C:33]5[N:34]=[C:35]([CH2:44][C:45]([CH3:48])([OH:47])[CH3:46])[N:36]([CH:38]6[CH2:43][CH2:42][CH2:41][CH2:40][O:39]6)[CH:37]=5)[CH:19]=[CH:18][C:17]=43)[CH:31]=2)=[N:7][CH:6]=[N:5]1)([CH3:3])[CH3:2]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 25953Cesium fluorideHCID 582043011-(4-bromo-1-(tetrahydro-pyran-2-yl)-1H-imidazol-2-yl)-2-methyl-propan-2-olHCID 582047132-(1-isopropyl-1H-1,2,4-triazol-5-yl)-9-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine

Product 1

HCID 582048951-[4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-1-(tetrahydro-pyran-2-yl)-1H-imidazol-2-yl]-2-methyl-propan-2-ol
Yield 149.7%

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418397HCID 178418397, compoundCatalystHCID 6228DimethylformamideSolvent

Conditions

Temperature
120 °C

Procedure

To a mixture of 2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-9-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepine (600 mg, 1.42 mmol) and 1-(4-bromo-1-(tetrahydro-pyran-2-yl)-1H-imidazol-2-yl)-2-methyl-propan-2-ol (648 mg, 2.1 mmol) in dry DMF (6 mL) under nitrogen was added CsF (534 mg, 3.53 mmol), CuI (27 mg, 0.14 mmol) and Pd(PPh3)4 (81 mg, 0.07 mmol). The reaction mixture was heated at 120° C. for 20 min in a microwave reactor. It was filtered, concentrated and purified by column chromatography (DCM/MeOH=20:1) to give 1-[4-[2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-yl]-1-(tetrahydro-pyran-2-yl)-1H-imidazol-2-yl]-2-methyl-propan-2-ol as brown oil (1.1 g). LCMS: (ESI, m/z)=518 [M+H]+.

Workup

  1. filtrationIt was filtered
  2. concentrationconcentrated
  3. custompurified by column chromatography (DCM/MeOH=20:1)

Sources & evidence

ORD record
ord-13d99373e6724487a043e81874903697
Source dataset
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08785626B2

Reaction notes

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