Pyruvic Acid → HCID 94796, compound

HRID 235615Notes

Reaction equation

HRID 235615 reaction equation
[NH2:1][NH:2][C:3]([NH2:5])=[O:4].Cl.[C:7]([OH:12])(=[O:11])[C:8]([CH3:10])=O>O>[C:3]([NH:2][N:1]=[C:8]([CH3:10])[C:7]([OH:12])=[O:11])(=[O:4])[NH2:5]

Participants

4

Reactant 2

HCID 1060Pyruvic AcidHCID 11236Semicarbazide hydrochloride

Product 1

HCID 94796HCID 94796, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

22.3 g of hydrochloric acid semicarbazide was dissolved in 100 ml of water, and 13.9 ml of pyruvic acid was added to the solution while stirring. Precipitated crystals were filtered out, washed, and dried to obtain 21 g of 2-carbamoylhydrazonopropionic acid having a melting point of 201° C. (decomposed).

Workup

  1. customPrecipitated crystals
  2. filtrationwere filtered out
  3. washwashed
  4. customdried

Sources & evidence

ORD record
ord-eaffe5b65b4549bc95a3972b3bc260a7
Source dataset
uspto-grants-1987_02
Patent number
US04640892

Reaction notes

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