Methyl 2-oxo-3-phenylpropanoate → Methyl 2-hydroxy-3-phenylpropanoate
Reaction equation
[O:1]=[C:2]([CH2:7][C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:3]([O:5][CH3:6])=[O:4].[H][H]>C1COCC1>[OH:1][CH:2]([CH2:7][C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:3]([O:5][CH3:6])=[O:4]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Methyl 2-oxo-3-phenylpropionate (16d, R18=Ph, R19=methyl) was hydrogenated according to General Procedure B in THF at 20.7 barg (300 psig) hydrogen at ambient temperature using bis(1,5-cyclooctadiene)rhodium trifluoromethanesulfonate (2.3 mg; 5 μmol; 0.01 equiv) and ligand (S,R)-2e (3.1 mg; 6 μmol; 0.012 equiv) for 6 hours to afford methyl 2-hydroxy-3-phenylpropionate (17d, R18=Ph, R19=methyl) with 83.2% ee as determined by chiral GC analysis.
Workup
- customfor 6 hours
Sources & evidence
- ORD record
- ord-d7b4d0f134de43c09b4bb1a5970247d5
- Source dataset
- uspto-grants-2003_07
- Patent number
- US06590115B2
Reaction notes
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