4-Phenylbutyric Acid → N-(4phenylbutanoyl)-L-alanine iso-butyl ester
Reaction equation
[C:1]1([CH2:7][CH2:8][CH2:9][C:10]([OH:12])=O)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Cl.[CH2:14]([O:18][C:19](=[O:23])[C@H:20]([CH3:22])[NH2:21])[CH:15]([CH3:17])[CH3:16]>>[CH2:14]([O:18][C:19](=[O:23])[C@H:20]([CH3:22])[NH:21][C:10](=[O:12])[CH2:9][CH2:8][CH2:7][C:1]1[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1)[CH:15]([CH3:17])[CH3:16]Participants
3
Procedure
Following General Procedure BB and using 4-phenylbutanoic acid (Aldrich) and L-alanine iso-Butyl Ester hydrochloride (from Example BB above), the title compound was prepared as an oil. The reaction was monitored by tlc on silica gel and purification was by extraction with Et2O followed by washes with aqueous K2CO and aqueous HCl.
Workup
- customThe reaction was monitored by tlc on silica gel and purification
- extractionwas by extraction with Et2O
Sources & evidence
- ORD record
- ord-45902293b5c2430db3a27fdf9b4a7839
- Source dataset
- uspto-grants-2003_06
- Patent number
- US06579867B2
Reaction notes
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