Potassium Hydroxide → L-(-)-Ornithine

HRID 259410

Reaction equation

HRID 259410 reaction equation
Cl.[NH2:2][C@H:3]([C:8]([OH:10])=[O:9])[CH2:4][CH2:5][CH2:6][NH2:7].[OH-].[K+]>C(O)C>[NH2:2][C@H:3]([C:8]([OH:10])=[O:9])[CH2:4][CH2:5][CH2:6][NH2:7]

Participants

4

Reactant 2

HCID 14797Potassium HydroxideHCID 76654Ornithine hydrochloride

Product 1

HCID 6262L-(-)-OrnithineYield 98.7%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

Into the reaction apparatus used in Example 1, 160 g of ethyl alcohol, 16.8 g of ornithine hydrochloride and 5.6 g of potassium hydroxide were added. The resulting mixture was reacted for 3 hours, refluxing the solvent, while being stirred. After the reaction was over, the resultant product was cooled to room temperature and then the by-product potassium chloride was filtered off. Then the solvent was distilled off from the resultant product under reduced pressure to obtain 13.0 g of ornithine in a syrupy state.

Workup

  1. additionwere added
  2. customThe resulting mixture was reacted for 3 hours
  3. temperaturerefluxing the solvent
  4. filtrationthe by-product potassium chloride was filtered off
  5. distillationThen the solvent was distilled off from the resultant product under reduced pressure

Sources & evidence

ORD record
ord-618c09d176a94c05b137be44b681cd93
Source dataset
uspto-grants-1977_07
Patent number
US04038287

Linked notes

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