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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2265810Generated: October 31, 2026

Acetic Anhydride → 1-Acetyl-6-fluoro-1,3-dihydro-2H-indol-2-one

https://huagongshe.com/reaction/2265810

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant6-fluoro-2,3-dihydro-1H-indol-2-oneHCID 3731013—
Product1-Acetyl-6-fluoro-1,3-dihydro-2H-indol-2-oneHCID 58160357—

Reaction Steps

At 130° C., 82.5 g of 6-fluoro-2-indolinone (starting material IV) are stirred in 180 ml acetic anhydride for 3 hours. After cooling to room temperature, the precipitate is filtered off with suction, washed with 100 ml of petroleum ether and dried.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07858616B2
Source datasetuspto-grants-2010_12
ORD IDord-c80742ba97624b61b4d7cd8dcba4c722
Source noteuspto-grants-2010_12