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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 983173Generated: October 26, 2026

1,2-Dichloroethane → 2-[4-(3-Fluoro-phenyl)-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-5-methyl-1H-pyrrole-3-carboxylic acid (2-Piperidin-1-yl-ethyl)-amide

https://huagongshe.com/reaction/983173

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,2-DichloroethaneHCID 11—
ReactantN-(2-Aminoethyl)piperidineHCID 33944—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactant2-[4-(3-fluoro-phenyl)-2-oxo-1,2-dihydro-indol-(3Z) ylidenemethyl]-5-methyl-1H-pyrrole-3-carboxylic acidHCID 69740587—
SolventDimethylformamideHCID 6228—
SolventTetrahydrofuranHCID 8028—
Product2-[4-(3-Fluoro-phenyl)-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-5-methyl-1H-pyrrole-3-carboxylic acid (2-Piperidin-1-yl-ethyl)-amideHCID 6006159170%

Reaction Steps

2-[4-(3-Fluoro-phenyl)-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-5-methyl-1H-pyrrole-3-carboxylic acid (90.5 mg) was coupled with 2-piperidin-1-yl-ethylamine (48 mg, 1.5 eq.), HOBt (1 eq.), EDC (1.5 eq.) and TEA (3 drops) in THF (2 mL), DMF (0.3 mL) at rt for overnight to give 82 mg (70%) of the titled compound as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06861418B2
Source datasetuspto-grants-2005_03
ORD IDord-4f84cf8c844a47eba0c4d92919065ce1
Source noteuspto-grants-2005_03