Reaktion #1283121

Reaktionsgleichung

product

3-(3,4-Dihydroxy-5-nitrophenyl)-1-phenylprop-2-en-1-one

benzoylchloride

→

3-(3,4-Dibenzoyloxy-5-nitrophenyl)-1-phenylprop-2-en-1-one

Lösungsmittel

tetrahydrofuran

Reaktionsbedingungen

Aufarbeitung

1. 1
   workup.DISTILLATIONTetrahydrofuran was distilled off to
2. 2
   Temperaturthe residue was refluxed for 2 h
3. 3
   TemperaturAfter cooling ether
4. 4
   workup.ADDITIONwas added to the mixture
5. 5
   Filtrationthe product was filtered
6. 6
   Sonstigetriturated with ethylmethylketone

Vorschrift

1.0 g of the product obtained in Example 8 and 2.0 ml of benzoylchloride were dissolved in 5 ml of tetrahydrofuran. Tetrahydrofuran was distilled off to a great extend and the residue was refluxed for 2 h. After cooling ether was added to the mixture and the product was filtered and triturated with ethylmethylketone. Yield 0.50 g (29%), m.p. 206°-210° C.

Quelle