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Water → HCID 59016634, compound

HRID 968926
Notes
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Reaction equation

HRID 968926 reaction equation
[OH-].[Na+].[CH3:3][C:4]1[CH:5]=[C:6]([C:11]2[N:15]([NH2:16])[C:14]([CH3:18])([CH3:17])[O:13][N:12]=2)[CH:7]=[C:8]([CH3:10])[CH:9]=1.[CH2:19]([C:21]1[C:29]([O:30][CH3:31])=[CH:28][CH:27]=[CH:26][C:22]=1[C:23](Cl)=[O:24])[CH3:20].O>C1(C)C=CC=CC=1.C(Cl)(Cl)Cl>[CH3:3][C:4]1[CH:5]=[C:6]([C:11]2[N:15]([NH:16][C:23](=[O:24])[C:22]3[CH:26]=[CH:27][CH:28]=[C:29]([O:30][CH3:31])[C:21]=3[CH2:19][CH3:20])[C:14]([CH3:18])([CH3:17])[O:13][N:12]=2)[CH:7]=[C:8]([CH3:10])[CH:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 14798Sodium Hydroxide2×HCID 221445622-Ethyl-3-methoxybenzoyl chlorideHCID 59016633HCID 59016633, compound

Product 1

HCID 59016634HCID 59016634, compoundYield 29%

Reagents, catalysts & solvents 2

HCID 1140
Toluene
Solvent
HCID 6212ChloroformSolvent

Procedure

A 20% aqueous solution of NaOH (275 mg, 1.37 mmol) was added to a solution of 3-(3,5-dimethyl-phenyl)-5,5-dimethyl-[1,2,4]oxadiazol-4-ylamine (200 mg, 0.91 mmol) in 2 mL of toluene. 2-Ethyl-3-methoxybenzoyl chloride (199 mg, 1 mmol) was then added to the mixture. The reaction was stirred at room temperature for 2 hours, and then heated at 50° C. for 1 hour. TLC indicated 3 spots. Water, dilute NaOH, and CHCl3 were then added to the reaction mixture. The organic phase was separated, dried over MgSO4, and the solvent removed in vacuo. The residue was triturated with 10% ether in hexane. Filtration and air-drying of the resultant solid provided 100 mg (29% yield) of N-[3-(3,5-dimethyl-phenyl)-5,5-dimethyl-[1,2,4]oxadiazol-4-yl]-2-ethyl-3-methoxy-benzamide. 1H-NMR (300 MHz, CDCl3)δ(ppm): 7.42 (s, 2H), 7.11 (s, 1H), 7.11 (t, 1H), 6.9 (d,1H), 6.67 (d, 1H), 3.81 (s, 3H), 2.55 (q, 2H), 2.34 (s, 6H), 1.7 (br s, 6H), 1.05 (t, 3H), Rf=0.5 (1:1 ethyl acetate:hexane).

Workup

  1. temperatureheated at 50° C. for 1 hour
  2. customThe organic phase was separated
  3. dry with materialdried over MgSO4
  4. customthe solvent removed in vacuo
  5. customThe residue was triturated with 10% ether in hexane
  6. filtrationFiltration
  7. customair-drying of the resultant solid

Sources & evidence

ORD record
ord-240701b4223a4d94a8a82a690f90a1d3
Source dataset
uspto-grants-2007_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07304162B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes