Phenylacetyl chloride → N-(phenylacetyl)-L-alanine isobutyl ester
Reaction equation
[C:1]1([CH2:7][C:8](Cl)=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.Cl.[CH2:12]([O:16][C:17](=[O:21])[C@H:18]([CH3:20])[NH2:19])[CH:13]([CH3:15])[CH3:14]>>[CH2:12]([O:16][C:17](=[O:21])[C@H:18]([CH3:20])[NH:19][C:8](=[O:9])[CH2:7][C:1]1[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1)[CH:13]([CH3:15])[CH3:14]Participants
3
Procedure
Following General Procedure BB and using phenylacetyl chloride (Aldrich) and L-alanine iso-butyl ester hydrochlorde (from Example BB above), the title compound was prepared as a solid having a melting point of 45°-47° C. The reaction was monitored by tlc on silica gel and purification was by extraction with Et2O followed by washes with aqueous K2CO3 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-99a54fdef1ce4b16bb320c6a688efa2d
- Source dataset
- uspto-grants-2003_01
- Patent number
- US06506782B1
Reaction notes
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