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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 24359Generated: October 25, 2026

5-Chlorooxindole → 5-Chloro-3-(2,3-dihydro-benzofuran-5-ylmethylene)-1,3-dihydroindol-2-one

https://huagongshe.com/reaction/24359

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-ChlorooxindoleHCID 152801—
Reactant2,3-Dihydrobenzofuran-5-carboxaldehydeHCID 735901—
Product5-Chloro-3-(2,3-dihydro-benzofuran-5-ylmethylene)-1,3-dihydroindol-2-oneHCID 54177963—

Reaction Steps

2,3-Dihydro-5-formylbenzofuran was condensed with 5-chloro-2-oxindole to give 0.25 g of 5-Chloro-3-(2,3-dihydro-benzofuran-5-ylmethylene)-1,3-dihydroindol-2-one as a yellow-orange solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06855730B2
Source datasetuspto-grants-2005_02
ORD IDord-519f9e4e53ff4fd4825af43ea0ea85c6
Source noteuspto-grants-2005_02