4-(5-chloro-1-methyl-2-oxo-3-pyridinyl)-N-[(1,l-dimethylethoxy)carbonyl]-L-phenylalanine methyl ester → 4-(5-chloro-1-methyl-2-oxo-3-pyridinyl)-L-phenylalanine methyl ester
Reaction equation
[CH3:1][O:2][C:3](=[O:29])[C@H:4]([CH2:13][C:14]1[CH:19]=[CH:18][C:17]([C:20]2[C:21](=[O:28])[N:22]([CH3:27])[CH:23]=[C:24]([Cl:26])[CH:25]=2)=[CH:16][CH:15]=1)[NH:5]C(OC(C)(C)C)=O>Cl.O1CCOCC1>[CH3:1][O:2][C:3](=[O:29])[C@H:4]([CH2:13][C:14]1[CH:15]=[CH:16][C:17]([C:20]2[C:21](=[O:28])[N:22]([CH3:27])[CH:23]=[C:24]([Cl:26])[CH:25]=2)=[CH:18][CH:19]=1)[NH2:5]Participants
4
Reactant 1
Product 1
Reagents, catalysts & solvents 2
Procedure
A solution of 4-(5-chloro-1-methyl-2-oxo-3-pyridinyl)-N-[(1,1-dimethylethoxy)carbonyl]-L-phenylalanine methyl ester (210 mg, 0.50 mmol) in 4 N HCl in dioxane (10 mL) was stirred for 1 hr and was concentrated to give 4-(5-chloro-1-methyl-2-oxo-3-pyridinyl)-L-phenylalanine methyl ester (140 mg) as a white powder. LR(+)LSIMS: m/z 641 (2M+H), 321 (M+H).