Reaktion #322797

Reaktionsgleichung

hydrochloric acid semicarbazide

pyruvic acid

→

2-carbamoylhydrazonopropionic acid

Lösungsmittel

water

Reaktionsbedingungen

Aufarbeitung

1. 1
   SonstigePrecipitated crystals
2. 2
   Filtrationwere filtered out
3. 3
   Waschenwashed
4. 4
   Sonstigedried

Vorschrift

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).

Quelle