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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2114864Generated: October 25, 2026

7-Fluoro-1-methylindoline-2,3-dione → 7-Fluoro-1-methylindolin-2-one

https://huagongshe.com/reaction/2114864

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-Fluoro-1-methylindoline-2,3-dioneHCID 11845967—
SolventHydrazine hydrate (1:1)HCID 24654—
Product7-Fluoro-1-methylindolin-2-oneHCID 11951674—

Reaction Steps

7-Fluoro-1-methyl-1H-indole-2,3-dione (6, 2.48 g, 0.0138 mol) is heated with neat hydrazine hydrate (30 ml) at 130° C. for 30 minutes. The mixture is cooled, diluted with ice water and extracted with ethyl acetate. The extract is washed with brine, dried (Na2SO4), and evaporated to give the title compound as a solid. HPLC r.t. 4.07 min; MS for C9H8FNO m/z 165.16 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07435751B2
Source datasetuspto-grants-2008_10
ORD IDord-fc5b0e397e1b4beabe3556877bc5b85f
Source noteuspto-grants-2008_10