Ethyl 4-bromoacetoacetate

Gefahreninformationscode (GHS)

• Bildanzeige (GHS)

  

• Alarmwort

  Warnung

• Gefahrenhinweise

  H302：Gesundheitsschädlich bei Verschlucken.

  H315：Verursacht Hautreizungen.

  H319：Verursacht schwere Augenreizung.

  H335：Kann die Atemwege reizen.

• Sicherheit

  P261：Einatmen von Staub vermeiden.

  P271：Nur im Freien oder in gut belüfteten Räumen verwenden.

  P280：Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.

Ethyl 4-bromoacetoacetate Chemische Eigenschaften,Einsatz,Produktion Methoden

• Synthese

  To a solution of Ethyl acetoacetate (10.0 g, 76.9 mmol, 1 .0 eq) in acetic acid (30 mL) was added bromine (12.3 g, 76.9 mmol, 1 .0 eq) at 0 °C over 10 min. The mixture was stirred at 0 °C for 1 h, the solvent was removed under reduced pressure, and the residue was diluted with water (50 mL). The aqueous mixture was extracted with CH2CI2 (50 mL x 3). The combined organic layers were washed with brine (60 mL x 2), dried over MgS04 and concentrated under reduced pressure to give ethyl 4-bromo-3-oxobutanoate (14.3 g, 85 per cent) as a yellow oil.

Ethyl 4-bromoacetoacetate Upstream-Materialien And Downstream Produkte

Ethyl 4-bromoacetoacetate Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global(190)Suppliers

13176-46-0, Ethyl 4-bromoacetoacetate Verwandte Suche: