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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1918583Generated: October 26, 2026

6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dione → 1-(1,3-Dihydroisobenzofuran-5-yl)-2-oxopyrrolidine-3-carboxylic acid

https://huagongshe.com/reaction/1918583

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6,6-Dimethyl-5,7-dioxaspiro(2.5)octane-4,8-dioneHCID 79720—
Reactant1,3-Dihydro-2-benzofuran-5-amineHCID 12445339—
SolventEthanolHCID 702—
Product1-(1,3-Dihydroisobenzofuran-5-yl)-2-oxopyrrolidine-3-carboxylic acidHCID 6683216684%

Reaction Steps

This compound was prepared according to general method 1 starting from 6,6-dimethyl-5,7-dioxaspiro[2.5]octane-4,8-dione (0.250 g; 1.45 mmol) and 1,3-dihydroisobenzofuran-5-amine (0.608 g; 4.36 mmol) in ethanol (3 mL). 1-(1,3-dihydroisobenzofuran-5-yl)-2-oxopyrrolidine-3-carboxylic acid 0.300 g (84%) was obtained as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08618138B2
Source datasetuspto-grants-2013_12
ORD IDord-96996e79c05247b094d34051687de30c
Source noteuspto-grants-2013_12