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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1794166Generated: October 30, 2026

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

https://huagongshe.com/reaction/1794166

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-6-fluoro-4-(2-methoxy-ethoxy)-benzylalcoholHCID 22220010—
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-(2-methoxy-ethoxy)-benzyl) esterHCID 6914270389%

Reaction Steps

This compound was prepared from 2-chloro-6-fluoro-4-(2-methoxy-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 (370 mg; 89%); MS (ISP): 492.3 (M+NH4)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07022707B2
Source datasetuspto-grants-2006_04
ORD IDord-6f99163f8f314f499e80998c5c159b98
Source noteuspto-grants-2006_04