3,4,5,6-Tetrahydrophthalic anhydride → Ethyl 3-(1,3-dioxo-1,3,4,5,6,7-hexahydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate

HRID 10863

Reaction equation

HRID 10863 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].[C:15]1(=O)[O:20][C:18](=[O:19])[C:17]2[CH2:21][CH2:22][CH2:23][CH2:24][C:16]1=2>>[O:19]=[C:18]1[C:17]2[CH2:21][CH2:22][CH2:23][CH2:24][C:16]=2[C:15](=[O:20])[N:1]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]

Participants

3

Procedure

Ethyl 3-(1,3-dioxo-1,3,4,5,6,7-hexahydro-isoindol-2-yl)-2-(2-methyl-[1,3]dioxolan-2-yl)propionate was prepared (0.91 g, 69%) 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 (0.80 g, 3.94 mmol) and 3,4,5,6-tetrahydrophthalic anhydride (0.78 g, 4.33 mmol), and the obtained product was identified with the following NMR data.

Sources & evidence

ORD record
ord-62631dd2405c45b2ad8f5dbb8fd5e602
Source dataset
uspto-grants-2006_08
Patent number
US07094908B2

Linked notes

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