Triethylamine → HCID 21190217, compound

HRID 619469Notes

Reaction equation

HRID 619469 reaction equation
[CH3:1][C:2]1[N:3]=[C:4]2[CH:12]=[CH:11][CH:10]=[C:9]3[N:5]2[C:6]=1[C:7](=[O:19])[N:8]3[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][NH2:18].C(N(CC)CC)C.C([O:29][C:30](=O)[C:31]([F:37])([F:36])[C:32]([F:35])([F:34])[F:33])C>C(#N)C>[CH3:1][C:2]1[N:3]=[C:4]2[CH:12]=[CH:11][CH:10]=[C:9]3[N:5]2[C:6]=1[C:7](=[O:19])[N:8]3[CH2:13][CH2:14][CH2:15][CH2:16][CH2:17][NH:18][C:30](=[O:29])[C:31]([F:37])([F:36])[C:32]([F:35])([F:34])[F:33]

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 67928Propanoic acid, 2,2,3,3,3-pentafluoro-, ethyl esterHCID 211901113-Methyl-1-[5-(amino)pentyl]-1,4,7b-triazacyclopent[cd]inden-2-one

Product 1

HCID 21190217HCID 21190217, compoundYield 50.5%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

To a solution of 2.58 g (10.0 mmol) of 3-methyl-1-[5-(amino)pentan-1-yl]-1,4,7b-triazacyclopent[cd]inden-2-one and 1.81 ml (13.0 mmol) of triethylamine in 100 ml of acetonitrile was added, while stirring at room temperature, 2.31 g (12.0 mmol) of pentafluoropropionic acid ethyl ester. The mixture was stirred for 4 hours at the same temperature. The solvent was distilled off. To the residue was added methylene chloride, and the mixture was washed with water, and dried over anhydrous magnesium sulfate. The solvent was distilled off, and the residue was purified by column chromatography (eluent: ethyl acetate) to afford 2.04 g of the desired compound (50.4%, a pale yellow solid).

Workup

  1. stirringThe mixture was stirred for 4 hours at the same temperature
  2. distillationThe solvent was distilled off
  3. additionTo the residue was added methylene chloride
  4. washthe mixture was washed with water
  5. dry with materialdried over anhydrous magnesium sulfate
  6. distillationThe solvent was distilled off
  7. customthe residue was purified by column chromatography (eluent: ethyl acetate)

Sources & evidence

ORD record
ord-e6fad21dceda42d2a790062eae7d9050
Source dataset
uspto-grants-1999_09
Patent number
US05958942

Reaction notes

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