Triethylamine → Methyl [5-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)imidazo[1,2-c]pyrimidin-8-yl]acetate

HRID 2353318Notes

Reaction equation

HRID 2353318 reaction equation
[NH2:1][C:2]1[CH:22]=[CH:21][C:5]([CH2:6][C:7]2[N:12]3[CH:13]=[CH:14][N:15]=[C:11]3[C:10]([CH2:16][C:17]([O:19][CH3:20])=[O:18])=[CH:9][N:8]=2)=[CH:4][CH:3]=1.[F:23][C:24]([F:35])([F:34])[C:25]1[CH:33]=[CH:32][C:28]([C:29](Cl)=[O:30])=[CH:27][CH:26]=1.C(N(CC)CC)C>ClCCl>[F:23][C:24]([F:34])([F:35])[C:25]1[CH:33]=[CH:32][C:28]([C:29]([NH:1][C:2]2[CH:3]=[CH:4][C:5]([CH2:6][C:7]3[N:12]4[CH:13]=[CH:14][N:15]=[C:11]4[C:10]([CH2:16][C:17]([O:19][CH3:20])=[O:18])=[CH:9][N:8]=3)=[CH:21][CH:22]=2)=[O:30])=[CH:27][CH:26]=1

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 676074-(Trifluoromethyl)benzoyl chlorideHCID 57542079Methyl [5-(4-aminobenzyl)imidazo[1,2-c]pyrimidin-8-yl]acetate

Product 1

HCID 57542084Methyl [5-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)imidazo[1,2-c]pyrimidin-8-yl]acetateYield 80%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A mixture of methyl [5-(4-aminobenzyl)imidazo[1,2-c]pyrimidin-8-yl]acetate (17 mg, 0.06 mmol), p-trifluoromethylbenzoyl chloride (0.01 mL, 0.07 mmol) and triethylamine (0.016 mL, 0.11 mmol) in dichloromethan (1 mL) was stirred at room temperature for 1 hour. The reaction was quenched with water, and extracted with chloroform. The extracts were washed with water and brine, dried over sodium sulfate, filtered and concentrated under reduced pressure. The crude product was purified by preparative TLC (silica gel, chloroform:methanol, 95/5) to give methyl [5-(4-{[4-(trifluoromethyl)benzoyl]amino}benzyl)imidazo[1,2-c]pyrimidin-8-yl]acetate (21.5 mg, 80%) as slightly yellow solid.

Workup

  1. customThe reaction was quenched with water
  2. extractionextracted with chloroform
  3. washThe extracts were washed with water and brine
  4. dry with materialdried over sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated under reduced pressure
  7. customThe crude product was purified by preparative TLC (silica gel, chloroform:methanol, 95/5)

Sources & evidence

ORD record
ord-e8949d2058ed481abc69cf6bc8473474
Source dataset
uspto-grants-2010_07
Patent number
US07750014B2

Reaction notes

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