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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1794161Generated: November 2, 2026

2-Chloro-6-fluoro-4-ethoxy-benzylalcohol → (R)-2-Ethyl-piperazine-1,4-dicarboxylic acid 4-tert-butyl ester 1-(2-chloro-6-fluoro-4-ethoxy-benzyl) ester

https://huagongshe.com/reaction/1794161

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-6-fluoro-4-ethoxy-benzylalcoholHCID 22219888—
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-(2-chloro-6-fluoro-4-ethoxy-benzyl) esterHCID 6914287294%

Reaction Steps

This compound was prepared from 2-chloro-6-fluoro-4-ethoxy-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 (418 mg; 94%); MS (ISP): 462.4 (M+NH4)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07022707B2
Source datasetuspto-grants-2006_04
ORD IDord-eb7c91b56ea745b5a813c6857a670c2c
Source noteuspto-grants-2006_04