Potassium Carbonate → HCID 19749569, compound

HRID 1613204Notes

Reaction equation

HRID 1613204 reaction equation
[NH2:1][CH2:2][CH:3]1[CH2:8][CH2:7][NH:6][CH2:5][CH2:4]1.C(=O)([O-])[O-].[K+].[K+].[CH3:15][N:16]1[C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=2[N:18]=[C:17]1Cl>C1(C)C=CC=CC=1>[CH3:15][N:16]1[C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][C:19]=2[N:18]=[C:17]1[N:6]1[CH2:7][CH2:8][CH:3]([CH2:2][NH2:1])[CH2:4][CH2:5]1

Participants

5

Procedure

27 g of 4-aminomethylpiperidine are placed in 300 ml of anhydrous toluene in the presence of 33 g of potassium carbonate and of 33 g of 1-methyl-2-chlorobenzimidazole. The mixture is subjected to reflux for 48 hours. After evaporation, the residue is taken up in ether and an excess of hydrochloric ether. The precipitate formed is spun down, washed with ether, and then taken up in 750 ml of water and 30% caustic soda is added to give a basic pH.

Workup

  1. temperatureto reflux for 48 hours
  2. customAfter evaporation
  3. customThe precipitate formed
  4. washwashed with ether
  5. addition30% caustic soda is added
  6. customto give a basic pH

Sources & evidence

ORD record
ord-653856b14a4740c991395b773f77ab5f
Source dataset
uspto-grants-1993_03
Patent number
US05192775

Reaction notes

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