Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1775952Generated: October 30, 2026

Formaldehyde → HCID 44242505, compound

https://huagongshe.com/reaction/1775952

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantTrifluoroacetic acidHCID 6422—
ReactantEthyl bromoacetateHCID 7748—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
ReactantPyrrolidineHCID 31268—
ReactantHydrazine, (4-chlorophenyl)-, hydrochloride (1:1)HCID 71600—
Reactant4,4-Diethoxy-N-methylbutan-1-amineHCID 13994547—
ReactantHCID 44242581HCID 44242581—
ReactantHCID 57930382HCID 57930382—
ReactantHCID 57930384HCID 57930384—
SolventAcetonitrileHCID 6342—
SolventTriethylamineHCID 8471—
SolventSodium HydroxideHCID 14798—
SolventHCID 57930381HCID 57930381—
ProductHCID 44242505HCID 44242505—

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, pyrrolidine and EDCI (General Method 7).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260429B2
Source datasetuspto-grants-2016_02
ORD IDord-447dbe631631458dac11fc2ee3eb7507
Source noteuspto-grants-2016_02