Methanol → methyl (2R)-2-amino-3-phenylpropanoate;hydrochloride
Reaction equation
[NH2:1][C@@H:2]([C:10]([OH:12])=[O:11])[CH2:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1.S(Cl)([Cl:15])=O.[CH3:17]O>>[ClH:15].[CH3:17][O:11][C:10](=[O:12])[C@@H:2]([CH2:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)[NH2:1]Participants
4
Procedure
(D)-Phenylalanine (25.0 g) was dissolved in 450 mL of methanol and 22 mL thionyl chloride were slowly added at −20° C. The mixture was refluxed for 1 h, followed by evaporation of the volatiles to give 31.2 g (97%) of the title compound as a white solid. M.p. 155-163° C.
Workup
- temperatureThe mixture was refluxed for 1 h
- customfollowed by evaporation of the volatiles
Sources & evidence
- ORD record
- ord-16d8ddbb06a24471b0b4b9931700a15f
- Source dataset
- uspto-grants-2004_09
- Patent number
- US06797710B2
Reaction notes
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