P-Anisidine → HCID 21919176, compound

HRID 1245213Notes

Reaction equation

HRID 1245213 reaction equation
[CH3:1][O:2][C:3]1[C:4](=[O:29])[C:5]([CH3:28])=[C:6]([CH2:12][C:13]2[CH:14]=[CH:15][C:16]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[C:17]([CH:21]=2)[C:18]([OH:20])=O)[C:7](=[O:11])[C:8]=1[O:9][CH3:10].[CH3:30][O:31][C:32]1[CH:37]=[CH:36][C:35]([NH2:38])=[CH:34][CH:33]=1.C(N(CC)CC)C.[Cl-].ClC1N(C)CC[NH+]1C>C(Cl)Cl.O>[CH3:1][O:2][C:3]1[C:4](=[O:29])[C:5]([CH3:28])=[C:6]([CH2:12][C:13]2[CH:14]=[CH:15][C:16]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=3)=[C:17]([CH:21]=2)[C:18]([NH:38][C:35]2[CH:36]=[CH:37][C:32]([O:31][CH3:30])=[CH:33][CH:34]=2)=[O:20])[C:7](=[O:11])[C:8]=1[O:9][CH3:10]

Participants

7

Reactant 4

HCID 7732P-AnisidineHCID 8471TriethylamineHCID 109867151H-Imidazolium, 2-chloro-4,5-dihydro-1,3-dimethyl-, chlorideHCID 21919130HCID 21919130, compound

Product 1

HCID 21919176HCID 21919176, compoundYield 67%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6344DichloromethaneSolvent

Procedure

5-(5,6-Dimethoxy-3-methyl-1,4-benzoquinon-2-yl)methyl-2-phenylbenzoic acid (33 mg, 0.0841 mmol) was dissolved in methylene chloride (3 ml), then p-anisidine (21 mg, 0.1707 mmol), triethylamine (34 mg, 0.3366 mmol) and 2-chloro-1,3-dimethylimidazolinium chloride (57 mg, 0.3372 mmol) were added thereto and the mixture was stirred at room temperature for 16 hours. The reaction solution was poured into water and extracted with ethyl acetate. The extract was washed with water and dried and the solvent was evaporated therefrom. The residue was purified by preparative thin layer silica gel (hexane:ethyl acetate=1:1) to give the title compound (28 mg, 0.0563 mmol, 67%).

Workup

  1. extractionextracted with ethyl acetate
  2. washThe extract was washed with water
  3. customdried
  4. customthe solvent was evaporated
  5. customThe residue was purified by preparative thin layer silica gel (hexane:ethyl acetate=1:1)

Sources & evidence

ORD record
ord-122e7b52bdd44f8597fd0272b29b233c
Source dataset
uspto-grants-2006_10
Patent number
US07122543B2

Reaction notes

Loading…