Beta-Alanine → 2-[(2-Carboxyethyl)carbamoyl]benzoic acid
Reaktionsgleichung
[NH2:1][CH2:2][CH2:3][C:4]([OH:6])=[O:5].[C:7]1(=[O:17])[O:12][C:10](=[O:11])[C:9]2=[CH:13][CH:14]=[CH:15][CH:16]=[C:8]12>>[CH:15]1[CH:16]=[C:8]([C:7]([NH:1][CH2:2][CH2:3][C:4]([OH:6])=[O:5])=[O:17])[C:9]([C:10]([OH:12])=[O:11])=[CH:13][CH:14]=1Komponenten
3
Versuchsvorschrift
25 grams (0.28 mole) of β-alanine and 41.6 grams (0.28 mole) of phthalic anhydride were heated at 150° C. while stirring for three hours and then cooled. On recrystallizing with ethyl acetate, N-phthalyl-β-alanine was obtained in 90% yield (55 grams).
Aufarbeitung
- temperaturecooled
- customOn recrystallizing with ethyl acetate
Quellen und Nachweise
- ORD-Eintrag
- ord-8f35ecc7832940838558759ed583ad12
- Quelldatensatz
- uspto-grants-1981_12
- Patentnummer
- US04308168
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