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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1775935Generated: November 2, 2026

Formaldehyde → HCID 44242375, compound

https://huagongshe.com/reaction/1775935

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 numberUS09260429B2
Source datasetuspto-grants-2016_02
ORD IDord-2edc98336f5f4e71a8ee40e5f6b46e39
Source noteuspto-grants-2016_02