4-Methyl-1,3-isobenzofurandione → Methyl 3-(4-methyl-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate
Reaction equation
[NH2:1][CH2:2][CH:3]([C:8]1([CH3:13])[O:12][CH2:11][CH2:10][O:9]1)[C:4]([O:6][CH3:7])=[O:5].[CH3:14][C:15]1[CH:25]=[CH:24][CH:23]=[C:17]2[C:18]([O:20][C:21](=O)[C:16]=12)=[O:19]>>[CH3:14][C:15]1[CH:25]=[CH:24][CH:23]=[C:17]2[C:16]=1[C:21](=[O:20])[N:1]([CH2:2][CH:3]([C:8]1([CH3:13])[O:9][CH2:10][CH2:11][O:12]1)[C:4]([O:6][CH3:7])=[O:5])[C:18]2=[O:19]Participants
3
Procedure
Methyl 3-(4-methyl-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.39 g, 52%) in the same manner as described in the above example 5 (1) from methyl 3-amino-2-(2-methyl-[1,3]dioxolan-2-yl)propionate (0.54 g, 2.86 mmol) and 3-methylphthalic anhydride (0.56 g, 3.44 mmol), and the obtained product was identified with the following NMR data.
Sources & evidence
- ORD record
- ord-3fcb315f756a4cc1aaa896443067c62d
- Source dataset
- uspto-grants-2006_08
- Patent number
- US07094908B2
Reaction notes
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