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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1728086Generated: October 30, 2026

Pyrrolidine → Z-6-chloro-3-(4-chloro-thiophen-2-ylmethylene)-1,3-dihydro-indol-2-one

https://huagongshe.com/reaction/1728086

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyrrolidineHCID 31268—
Reactant6-Chloro-1,3-dihydroindol-2-oneHCID 736344—
Reactant4-chlorothiophene-2-carbaldehydeHCID 10997182—
ProductZ-6-chloro-3-(4-chloro-thiophen-2-ylmethylene)-1,3-dihydro-indol-2-oneHCID 6861403162%

Reaction Steps

In a manner similar to the method described in example 1a, 6-chlorooxindole (1.2 g, 7.2 mmol) was reacted with 4-chloro-thiophene-2-carbaldehyde (1.05 g, 7.2 mmol) and pyrrolidine (0.7 g, 9.9 mmol) to give E/Z-6-chloro-3-(4-chloro-thiophen-2-ylmethylene)-1,3-dihydro-indol-2-one as a yellow solid (Yield 1.3 g, 62%)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07495007B2
Source datasetuspto-grants-2009_02
ORD IDord-e2f1338e73144c3f91d4f33a6a49c1d9
Source noteuspto-grants-2009_02