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Potassium Carbonate → 2-{4-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-piperidin-1-yl}-N-methyl-acetamide

HRID 708252
Notes
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Reaction equation

HRID 708252 reaction equation
OC(C(F)(F)F)=O.[CH:8]([N:11]1[C:15]([C:16]2[S:17][C:18]3[CH2:19][CH2:20][O:21][C:22]4[CH:29]=[C:28]([CH:30]5[CH2:35][CH2:34][NH:33][CH2:32][CH2:31]5)[CH:27]=[CH:26][C:23]=4[C:24]=3[N:25]=2)=[N:14][CH:13]=[N:12]1)([CH3:10])[CH3:9].C(=O)([O-])[O-].[K+].[K+].Br[CH2:43][C:44]([NH:46][CH3:47])=[O:45]>C1COCC1.C(Cl)Cl.O>[CH:8]([N:11]1[C:15]([C:16]2[S:17][C:18]3[CH2:19][CH2:20][O:21][C:22]4[CH:29]=[C:28]([CH:30]5[CH2:35][CH2:34][N:33]([CH2:43][C:44]([NH:46][CH3:47])=[O:45])[CH2:32][CH2:31]5)[CH:27]=[CH:26][C:23]=4[C:24]=3[N:25]=2)=[N:14][CH:13]=[N:12]1)([CH3:10])[CH3:9]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 11430Potassium CarbonateHCID 154907452-Bromo-N-methylacetamideHCID 866523172-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene TFA salt

Product 1

HCID 670505562-{4-[2-(2-Isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-8-yl]-piperidin-1-yl}-N-methyl-acetamideYield 82.1%

Reagents, catalysts & solvents 3

HCID 962WaterSolventHCID 6344DichloromethaneSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulene 375 TFA salt (300 mg, 0.59 mmol) in THF (5 mL) was added potassium carbonate (285 mg, 2.10 mmol) followed by 2-bromo-N-methylacetamide (99 mg, 0.65 mmol). The reaction mixture was stirred for 3 hours before being diluted with DCM and water. The organic layer was dried over anhydrous magnesium sulfate and concentrated in vacuo. The resulting residue was triturated with diethyl ether to give 508 as a brown solid (226 mg, 82%). LCMS: RT=3.21 min, [M+H]+=467. 1H NMR δ (ppm) (DMSO-d6): 8.28 (1H, d, J=8.19 Hz), 8.10 (1H, s), 7.75-7.68 (1H, m), 7.10 (1H, dd, J=8.24, 1.81 Hz), 6.96 (1H, d, J=1.76 Hz), 5.86-5.77 (1H, m), 4.36 (2H, t, J=5.02 Hz), 3.42 (2H, t, J=5.03 Hz), 2.91-2.87 (4H, m), 2.64 (3H, d, J=4.74 Hz), 2.55-2.45 (1H, m), 2.19-2.17 (2H, m), 1.76-1.75 (4H, m), 1.55 (6H, d, J=6.59 Hz)

Workup

  1. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  2. concentrationconcentrated in vacuo
  3. customThe resulting residue was triturated with diethyl ether

Sources & evidence

ORD record
ord-9903f0d3adb24a558dff0e96246d3802
Source dataset
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09175009B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes