Glycine → Calcium glycinate

HRID 434177Notes

Reaction equation

HRID 434177 reaction equation
[O-2].[Ca+2:2].[NH2:3][CH2:4][C:5]([OH:7])=[O:6]>C(O)C>[NH2:3][CH2:4][C:5]([O-:7])=[O:6].[Ca+2:2].[NH2:3][CH2:4][C:5]([O-:7])=[O:6]

Participants

4

Reactant 2

HCID 750GlycineHCID 6850728Calciumoxide

Product 1

HCID 10130287Calcium glycinateYield 99.9%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

5.6 grams (0.1 Mole) of calcium oxide and 15 grams (0.2 Mole) of glycine were placed into a beaker provided with a reflux condenser. 100 ml ethanol was added and the mixture was stirred and boiled at atmospheric pressure for 5 hours. The reaction mixture was then cooled, and thereafter filtered yielding 18.8 grams of calcium glycinate having the physical characteristic of a fine white powder. Approximately 80% of the ethanol solvent was recovered after filtration and may be reused.

Workup

  1. customprovided with a reflux condenser
  2. temperatureThe reaction mixture was then cooled
  3. filtrationfiltered

Sources & evidence

ORD record
ord-7cbe424c3f4a4324950ac4c3d37324d5
Source dataset
uspto-grants-2003_12
Patent number
US06670494B1

Reaction notes

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