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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 970702Generated: October 29, 2026

1,3-Dihydro-3-oxo-1-isobenzofuranacetic acid → 2-(3-Phthalidyl)ethanol

https://huagongshe.com/reaction/970702

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,3-Dihydro-3-oxo-1-isobenzofuranacetic acidHCID 589730—
Reactant(Dimethyl sulfide)trihydroboronHCID 12423031—
SolventTetrahydrofuranHCID 8028—
Product2-(3-Phthalidyl)ethanolHCID 22274970—

Reaction Steps

A solution of phthalide-3-acetic acid (1 mmole) in THF was treated with borane dimethylsulfide (1.5 mmole) at 0° C. for 1 h, and at 25° C. for 24 h. Extraction and chromatography gave 2-(3-phthalidyl)ethanol as a light yellow oil: Rf=0.25, 50% EtOAc-hexane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07312219B2
Source datasetuspto-grants-2007_12
ORD IDord-39adde3dbd67406cad24141fbaad4d20
Source noteuspto-grants-2007_12