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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1349331Generated: October 28, 2026

1-(2-Hydroxyethyl)piperazine → (3EZ5S)-1-[(3',4'-dichloro[1,1'-biphenyl]-4-yl)carbonyl]-5-{[4(2-hydroxyethyl)-1-piperazinyl]carbonyl}-3-pyrrolidinone O-methyloxime

https://huagongshe.com/reaction/1349331

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Hydroxyethyl)piperazineHCID 7677—
Reactant4-(3,4-Dichlorophenyl)benzoic acidHCID 2758156—
Reactant(2S,4EZ)-1(tert-butoxycarbonyl)-4-(methoxyimino)-2-pyrrolidinecarboxylic acidHCID 58714586—
Product(3EZ5S)-1-[(3',4'-dichloro[1,1'-biphenyl]-4-yl)carbonyl]-5-{[4(2-hydroxyethyl)-1-piperazinyl]carbonyl}-3-pyrrolidinone O-methyloximeHCID 131726418—

Reaction Steps

Following the general method as outlined in Example 22, starting from (2S,4EZ)-1-(tert-butoxycarbonyl)-4-(methoxyimino)-2-pyrrolidinecarboxylic acid, 3′,4′-dichloro[1,1′-biphenyl]-4carboxylic acid, and 2-(1-piperazinyl)ethanol, the title compound was obtained in 86% purity by HPLC. MS(ESI+): m/z =520.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07211601B2
Source datasetuspto-grants-2007_05
ORD IDord-876d00e00b3146b186865f19973a2c5d
Source noteuspto-grants-2007_05