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2-chloro-N,N-dimethylacetamide → 2-(4-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)piperidin-1-yl)-N,N-dimethylacetamide

HRID 886349
Notes
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Reaction equation

HRID 886349 reaction equation
Cl.[CH:2]([N:5]1[C:9]([C:10]2[N:19]=[C:18]3[N:12]([CH2:13][CH2:14][O:15][C:16]4[CH:23]=[C:22]([CH:24]5[CH2:29][CH2:28][NH:27][CH2:26][CH2:25]5)[CH:21]=[CH:20][C:17]=43)[CH:11]=2)=[N:8][C:7]([CH3:30])=[N:6]1)([CH3:4])[CH3:3].[CH3:31][N:32]([CH3:37])[C:33](=[O:36])[CH2:34]Cl>C(Cl)Cl.CCCC[N+](CCCC)(CCCC)CCCC.[I-]>[CH:2]([N:5]1[C:9]([C:10]2[N:19]=[C:18]3[C:17]4[CH:20]=[CH:21][C:22]([CH:24]5[CH2:29][CH2:28][N:27]([CH2:34][C:33]([N:32]([CH3:37])[CH3:31])=[O:36])[CH2:26][CH2:25]5)=[CH:23][C:16]=4[O:15][CH2:14][CH2:13][N:12]3[CH:11]=2)=[N:8][C:7]([CH3:30])=[N:6]1)([CH3:4])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 758862-chloro-N,N-dimethylacetamideHCID 67050639HCID 67050639, compound

Product 1

HCID 582049522-(4-(2-(1-isopropyl-3-methyl-1H-1,2,4-triazol-5-yl)-5,6-dihydrobenzo[f]imidazo[1,2-d][1,4]oxazepin-9-yl)piperidin-1-yl)-N,N-dimethylacetamideYield 38%

Reagents, catalysts & solvents 2

HCID 67553Tetrabutylammonium IodideCatalyst
HCID 6344
Dichloromethane
Solvent

Procedure

A suspension of 2-(2-isopropyl-5-methyl-2H-[1,2,4]triazol-3-yl)-8-piperidin-4-yl-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulene hydrochloride (310 mg, 0.72 mmol) in DCM (6 mL) and TEA (0.3 mL, 2.16 mmol) was sonicated and stirred before adding N,N-dimethyl-2-chloroacetamide (98 mg, 0.8 mmol) and TBAI (28 mg, 0.072 mmol) and the reaction mixture stirred for 72 h at RT before being concentrated in vacuo. The resultant residue was partitioned between water and DCM and the aqueous extracted five times with DCM, the combined organic extracts dried (Na2SO4), filtered and concentrated in vacuo. The resultant residue was subjected to flash chromatography (SiO2, gradient 0 to 10% methanol in DCM) then triturated in diethyl ether to give 329 as a white solid (129 mg, 38%). LCMS: RT=2.71 min, [M+H]+=478. 1H NMR 400 MHz (CDCl3) δ: 8.44 (1H, d, J=8.30 Hz), 7.61 (1H, s), 7.04 (1H, d, J=8.43 Hz), 6.91 (1H, s), 5.91 (1H, t, J=6.63 Hz), 4.45 (4H, d, J=14.92 Hz), 3.39 (2H, m), 3.11 (2H, m), 3.10 (3H, s), 2.99 (1H, m), 2.98 (3H, s), 2.54 (2H, m), 2.41 (3H, s), 1.90 (4H, s), 1.57 (6H, d, J=6.65 Hz)

Workup

  1. customwas sonicated
  2. stirringthe reaction mixture stirred for 72 h at RT
  3. concentrationbefore being concentrated in vacuo
  4. customThe resultant residue was partitioned between water and DCM
  5. extractionthe aqueous extracted five times with DCM
  6. dry with materialthe combined organic extracts dried (Na2SO4)
  7. filtrationfiltered
  8. concentrationconcentrated in vacuo
  9. customthen triturated in diethyl ether

Sources & evidence

ORD record
ord-9f2e10e106be4505b0e1fb75cdd289fa
Source dataset
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08242104B2

Reaction notes

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