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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1775949Generated: October 30, 2026

Formaldehyde → HCID 44242442, compound

https://huagongshe.com/reaction/1775949

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
ReactantTrifluoroacetic acidHCID 6422—
ReactantHydrazine, (4-chlorophenyl)-, hydrochloride (1:1)HCID 71600—
Reactant4,4-Diethoxy-N-methylbutan-1-amineHCID 13994547—
Reactanttert-Butyl 4-(2-bromoethyl)piperazine-1-carboxylateHCID 15946441—
ReactantTrifluoroacetic acid methylene chlorideHCID 21863450—
ReactantHCID 66911717HCID 66911717—
SolventAcetonitrileHCID 6342—
SolventTriethylamineHCID 8471—
ProductHCID 44242442HCID 44242442—

Reaction Steps

The title compound is prepared by following General Methods 1, 3 and 4 using 4-chlorophenylhydrazine hydrochloride, tert-butyl 4-(2-bromoethyl)piperazine-1-carboxylate, and triethylamine (General Method 1), N-Boc-1-(4-chlorophenyl)-1-(2-(piperazin-1-yl)ethyl)hydrazine and 4,4-diethoxy-N-methylbutan-1-amine (General Method 3), tert-butyl 4-(2-(5-chloro-3-(2-(methylamino)ethyl)-1H-indol-1-yl)ethyl)piperazine-1-carboxylate, formaldehyde and TFA in acetonitrile (General Method 4), and Boc deprotection by using TFA/dichloromethane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09260429B2
Source datasetuspto-grants-2016_02
ORD IDord-2debe482041049dfa92ef3b3207bad86
Source noteuspto-grants-2016_02