4-Chlorophthalic anhydride → Ethyl 3-(5-chloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate

HRID 10866

Reaction equation

HRID 10866 reaction equation
[NH2:1][CH2:2][CH:3]([C:9]1([CH3:14])[O:13][CH2:12][CH2:11][O:10]1)[C:4]([O:6][CH2:7][CH3:8])=[O:5].[Cl:15][C:16]1[CH:17]=[C:18]2[C:23](=O)[O:22][C:20](=[O:21])[C:19]2=[CH:25][CH:26]=1>>[Cl:15][C:16]1[CH:17]=[C:18]2[C:19](=[CH:25][CH:26]=1)[C:20](=[O:21])[N:1]([CH2:2][CH:3]([C:9]1([CH3:14])[O:10][CH2:11][CH2:12][O:13]1)[C:4]([O:6][CH2:7][CH3:8])=[O:5])[C:23]2=[O:22]

Participants

3

Procedure

Ethyl 3-(5-chloro-1,3-dioxo-1,3-dihydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.37 g, 50%) in the same manner as described in the above example 5 (20) from ethyl 3-amino-2-(2-methyl-[1,3]dioxolan-2-yl)propionate (0.40 g, 1.97 mmol) and 4-chlorophthalic anhydride (0.47 g, 2.56 mmol), and the obtained product was identified with the following NMR data.

Sources & evidence

ORD record
ord-0bbbc01340ee40928ac299d561b6d223
Source dataset
uspto-grants-2006_08
Patent number
US07094908B2

Linked notes

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