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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 43357Generated: October 26, 2026

Triethylamine → 1,1-Dimethylethyl (2S)-4-({2-chloro-4-[2-(methyloxy)-2-oxoethyl]phenyl}methyl)-2-methyl-1-piperazinecarboxylate

https://huagongshe.com/reaction/43357

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantPhenylmethyl (2S)-4-[(4-bromophenyl)methyl]-2-methyl-1-piperazine CarboxylateHCID 25224210—
Reactant(S)-tert-butyl 2-methylpiperazine-1-carboxylate hydrochlorideHCID 45072182—
ReactantMethyl (3-chloro-4-formylphenyl)acetateHCID 59520437—
Product1,1-Dimethylethyl (2S)-4-({2-chloro-4-[2-(methyloxy)-2-oxoethyl]phenyl}methyl)-2-methyl-1-piperazinecarboxylateHCID 67128047—

Reaction Steps

The title compound was prepared from methyl (3-chloro-4-formylphenyl)acetate (Epple, R. et al., PCT Int. Appl. WO2005116000) and 1,1-dimethylethyl (2S)-2-methyl-1-piperazinecarboxylate hydrochloride using a method similar to that described for D6 with the addition of triethylamine (1.1 eq) to the reaction mixture and a reaction time of ˜3 days.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08536182B2
Source datasetuspto-grants-2013_09
ORD IDord-e9595488509d4501862848e21dae7740
Source noteuspto-grants-2013_09