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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2198337Generated: October 29, 2026

Formaldehyde → HCID 44242506, compound

https://huagongshe.com/reaction/2198337

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantTrifluoroacetic acidHCID 6422—
ReactantEthyl bromoacetateHCID 7748—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
ReactantHydrazine, (4-chlorophenyl)-, hydrochloride (1:1)HCID 71600—
Reactant4,4-Diethoxy-N-methylbutan-1-amineHCID 13994547—
Reactant1,2,2-TrimethylpiperazineHCID 21973776—
ReactantHCID 44242581HCID 44242581—
ReactantHCID 57930382HCID 57930382—
ReactantHCID 57930384HCID 57930384—
SolventAcetonitrileHCID 6342—
SolventTriethylamineHCID 8471—
SolventSodium HydroxideHCID 14798—
SolventHCID 57930381HCID 57930381—
ProductHCID 44242506HCID 44242506—

Reaction Steps

The title compound is prepared by following General Methods 1, 3, 4, 5 and 7 by using 4-chlorophenylhydrazine hydrochloride, ethyl bromoacetate, and triethylamine (General Method 1), ethyl 2-(1-(4-chlorophenyl)hydrazinyl)acetate and 4,4-diethoxy-N-methylbutan-1-amine (General Method 3), ethyl 2-(5-chloro-3-(2-(methylamino)ethyl)-1H-indol-1-yl)acetate, formaldehyde and TFA in acetonitrile (General Method 4), ethyl 2-(6-chloro-1,2,3,4-tetrahydro-2-methylpyrido[3,4-b]indol-9-yl)acetate and NaOH (General Method 5), and 2-(6-chloro-1,2,3,4-tetrahydro-2-methylpyrido[3,4-b]indol-9-yl)acetic acid, 1,2,2-trimethylpiperazine and EDCI (General Method 7).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08338447B2
Source datasetuspto-grants-2012_12
ORD IDord-8b98025787ce4e7dad51ee769ad743ad
Source noteuspto-grants-2012_12