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Water → HCID 59016634, compound

HRID 968927
Notes
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Reaction equation

HRID 968927 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 HydroxideHCID 221445622-Ethyl-3-methoxybenzoyl chlorideHCID 59016633HCID 59016633, compound

Product 1

HCID 59016634HCID 59016634, compoundYield 40%

Reagents, catalysts & solvents 2

HCID 1140
Toluene
Solvent
HCID 6212ChloroformSolvent

Procedure

A 5% aqueous solution of NaOH (4 mL) was added to a solution of 3-(3,5-dimethyl-phenyl)-5,5-dimethyl-[ 1 ,2,4]oxadiazol-4-ylamine (90 mg) in 6 mL of toluene. 2-Ethyl-3-methoxybenzoyl chloride (140 mg) was then added to the mixture. The reaction was stirred at room temperature for 30 hours. Water and CHCl3 were added. The organic phase was separated, dried over MgSO4, and the solvent was removed in vacuo. The residue was triturated with 100 mL of 10% ether in hexane by magnetic stirring of the mixture in a vessel for 1 hour. Filtration and air-drying of the resultant solid provided 62 mg (40% 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). The filtrate contained an additional quantity of the intended product.

Workup

  1. customThe organic phase was separated
  2. dry with materialdried over MgSO4
  3. customthe solvent was removed in vacuo
  4. customThe residue was triturated with 100 mL of 10% ether in hexane
  5. stirringby magnetic stirring of the mixture in a vessel for 1 hour
  6. filtrationFiltration
  7. customair-drying of the resultant solid

Sources & evidence

ORD record
ord-159b359d193f4347b13deb7ba0a2382b
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