Methyl formate → Nalpha-formyl-DL-methionine amide
Reaktionsgleichung
[NH2:1][CH:2]([C:7]([NH2:9])=[O:8])[CH2:3][CH2:4][S:5][CH3:6].[CH:10](OC)=[O:11]>>[CH:10]([NH:1][CH:2]([C:7]([NH2:9])=[O:8])[CH2:3][CH2:4][S:5][CH3:6])=[O:11]Komponenten
3
Versuchsvorschrift
30 g (0.20 mole) DL-methionine amide were agitated with 250 ml methyl formate for two days at room temperature, during which fine, slightly yellow crystals developed. They were filtered off and recrystallized out of a mixture of 150 ml hexane and 160 ml ethanol. After cooling off, filtering, washing and drying, 23 g (55%) Nα -formyl-DL-methionine amide were obtained in the form of colorless crystals with a melting point of 121-122° C.
Aufarbeitung
- filtrationThey were filtered off
- customrecrystallized out of a mixture of 150 ml hexane and 160 ml ethanol
- temperatureAfter cooling off
- filtrationfiltering
- washwashing
- customdrying
Quellen und Nachweise
- ORD-Eintrag
- ord-2bfbf8db1e2b4e1da89df3c38f14a767
- Quelldatensatz
- uspto-grants-1999_11
- Patentnummer
- US05985632
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