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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1794146Generated: November 2, 2026

(4-Butoxy-2,6-difluorophenyl)methanol → (R)-2-Ethyl-piperazine-1,4-dicarboxylic acid 4-tert-butyl ester 1-(4-butoxy-2,6-difluoro-benzyl) ester

https://huagongshe.com/reaction/1794146

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(4-Butoxy-2,6-difluorophenyl)methanolHCID 22219883—
Reactant(R)-4-Chlorocarbonyl-3-ethyl-piperazine-1-carboxylic acid tert-butyl esterHCID 86586001—
Product(R)-2-Ethyl-piperazine-1,4-dicarboxylic acid 4-tert-butyl ester 1-(4-butoxy-2,6-difluoro-benzyl) esterHCID 6914222580%

Reaction Steps

This compound was prepared from 4-butoxy-2,6-difluoro-benzylalcohol and (R)-4-chlorocarbonyl-3-ethyl-piperazine-1-carboxylic acid tert-butyl ester according to the procedure described in Example 179 to give the product as a colorless oil (454 mg; 80%); MS (ISP): 479.4 (M+Na)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07022707B2
Source datasetuspto-grants-2006_04
ORD IDord-01fa652e41e6489daca77d363b99dfb7
Source noteuspto-grants-2006_04