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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2198317Generated: October 29, 2026

Formaldehyde → HCID 44242375, compound

https://huagongshe.com/reaction/2198317

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantTrifluoroacetic acidHCID 6422—
ReactantEthyl bromoacetateHCID 7748—
Reactant4-FluoroanilineHCID 9731—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactantm-Chlorophenylhydrazine hydrochlorideHCID 75331—
Reactant4,4-Diethoxy-N-methylbutan-1-amineHCID 13994547—
ReactantHCID 66911693HCID 66911693—
ReactantHCID 66911765HCID 66911765—
ReactantHCID 66911796HCID 66911796—
SolventAcetonitrileHCID 6342—
SolventTriethylamineHCID 8471—
SolventSodium HydroxideHCID 14798—
SolventHCID 68994055HCID 68994055—
ProductHCID 44242375HCID 44242375—

Reaction Steps

The title compound is prepared by following General Methods 1, 3, 4, 5 and 7 by using 3-chlorophenylhydrazine hydrochloride, ethyl bromoacetate, and triethylamine (General Method 1), ethyl 2-(1-(3-chlorophenyl)hydrazinyl)acetate and 4,4-diethoxy-N-methylbutan-1-amine (General Method 3), ethyl 2-(4-chloro-3-(2-(methylamino)ethyl)-1H-indol-1-yl)acetate, formaldehyde and TFA in acetonitrile (General Method 4), ethyl 2-(5-chloro-1,2,3,4-tetrahydro-2-methylpyrido[3,4-b]indol-9-yl)acetate and NaOH (General Method 5), and 2-(5-chloro-1,2,3,4-tetrahydro-2-methylpyrido[3,4-b]indol-9-yl)acetic acid, 4-fluoroaniline and EDCI (General Method 7).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08338447B2
Source datasetuspto-grants-2012_12
ORD IDord-6698439e1fa549b289058d5dd074c7e1
Source noteuspto-grants-2012_12