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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 490595Generated: October 30, 2026

1-(2-Methoxyethyl)piperazine → [(2s,4s)-1-Benzyl-4-(2,4-difluoro-benzylamino)-pyrrolidin-2-yl]-[4-(2-methoxy-ethyl)-piperazin-1-yl]-methanone

https://huagongshe.com/reaction/490595

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Methoxyethyl)piperazineHCID 2734638—
Reactant1-Benzyl-4-[tert-butoxycarbonyl-(2,4-difluoro-benzyl)-amino]-pyrrolidine-2-carboxylic acidHCID 67547470—
Product[(2s,4s)-1-Benzyl-4-(2,4-difluoro-benzylamino)-pyrrolidin-2-yl]-[4-(2-methoxy-ethyl)-piperazin-1-yl]-methanoneHCID 675493968.9%

Reaction Steps

As described for Example 1f, 1-benzyl-4-[tert-butoxycarbonyl-(2,4-difluoro-benzyl)-amino]-pyrrolidine-2-carboxylic acid (60.0 mg, 0.134 mmol) was converted, using 1-(2-methyoxy-ethyl)-piperazine instead of 2-piperazin-1-yl-benzonitrile, to the title compound (5.7 mg, 8.9%) as light yellow oil. MS m/e=473.4 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07528136B2
Source datasetuspto-grants-2009_05
ORD IDord-30368b5e50684c5381760d51cc8cbf5e
Source noteuspto-grants-2009_05