Hydrogen Bromide → HCID 70576814, Verbindung

HRID 225306

Reaktionsgleichung

Reaktionsgleichung von HRID 225306
[NH2:1][CH:2]([C:6]1[CH:11]=[CH:10][C:9]([OH:12])=[CH:8][CH:7]=1)[C:3]([OH:5])=[O:4].[BrH:13].[CH2:14]=O>>[BrH:13].[NH2:1][CH:2]([C:6]1[CH:11]=[CH:10][C:9]([OH:12])=[C:8]([CH2:14][Br:13])[CH:7]=1)[C:3]([OH:5])=[O:4]

Komponenten

4

Edukt 3

HCID 260Hydrogen Bromide2×HCID 712FormaldehydeHCID 921434-Hydroxyphenylglycine

Produkt 1

HCID 70576814HCID 70576814, Verbindung

Versuchsvorschrift

To a solution of (-)-α-amino-4-hydroxybenzeneacetic acid (0.6 mole) in a minimum amount of concentrated hydrobromic acid at 35°-40° C. is added 50 ml of aqueous formaldehyde (35-37%) (0.6 mole). The addition of hydrogen bromide gas is begun. After 5-10 minutes, a solid begins to precipitate. Stirring is continued for 30 minutes. The title compound is collected and washed with ether and acetone.

Aufarbeitung

  1. customto precipitate
  2. waitis continued for 30 minutes
  3. customThe title compound is collected
  4. washwashed with ether and acetone

Quellen und Nachweise

ORD-Eintrag
ord-bfac019684294d10844af47e66f9c982
Quelldatensatz
uspto-grants-1980_11
Patentnummer
US04236002

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