(2S)-2-[[2-(3,5-difluorophenyl)acetyl]amino]propanoic acid → Methyl N-[N-(3,5-difluorophenylacetyl)-L-alaninyl]-(S)-2-aminobutanoate
Reaction equation
[F:1][C:2]1[CH:3]=[C:4]([CH2:9][C:10]([NH:12][C@H:13]([C:15]([OH:17])=O)[CH3:14])=[O:11])[CH:5]=[C:6]([F:8])[CH:7]=1.Cl.[NH2:19][C@@H:20]([CH2:25][CH3:26])[C:21]([O:23][CH3:24])=[O:22]>>[F:8][C:6]1[CH:5]=[C:4]([CH2:9][C:10]([NH:12][C@H:13]([C:15]([NH:19][C@@H:20]([CH2:25][CH3:26])[C:21]([O:23][CH3:24])=[O:22])=[O:17])[CH3:14])=[O:11])[CH:3]=[C:2]([F:1])[CH:7]=1Participants
3
Procedure
Following General Procedure C and using N-(3,5-difluorophenylacetyl)-L-alanine (from Example B2 above) and methyl (S)-2-aminobutanoate hydrochloride (prepared from (S)-(+)-2-aminobutyric acid (Aldrich) using General Procedure H), the title compound was prepared as a solid (mp=103-106° C.).
Sources & evidence
- ORD record
- ord-84c80c42a3054f42a8f1cf2f83e8a331
- Source dataset
- uspto-grants-2002_11
- Patent number
- US06476263B1
Reaction notes
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