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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 62939Generated: October 28, 2026

Ethyl 2-(3,5-difluoro-4-hydroxyphenyl)cyclopropanecarboxylate → 2-[4-(6-Cyclopentylsulfanyl-pyridin-2-ylmethoxy)-3,5-difluoro-phenyl]-cyclopropane carboxylic acid

https://huagongshe.com/reaction/62939

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-(3,5-difluoro-4-hydroxyphenyl)cyclopropanecarboxylateHCID 59419842—
Reactant2-Chloromethyl-6-cyclopentylsulfanyl-pyridineHCID 90118181—
Product2-[4-(6-Cyclopentylsulfanyl-pyridin-2-ylmethoxy)-3,5-difluoro-phenyl]-cyclopropane carboxylic acidHCID 7422252977.6%

Reaction Steps

2-Chloromethyl-6-cyclopentylsulfanyl-pyridine (0.033 g, 0.143 mmol) obtained in Step C of Preparation Example 27 and 2-(3,5-difluoro-4-hydroxy-phenyl)-cyclopropanecarboxylic acid ethyl ester (0.033 g, 0.143 mmol) obtained in Step B of Preparation Example 31 were used to react sequentially in the same manner as in Steps A and B of Example 1 to obtain the title compound (0.045 g, 77%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09447044B2
Source datasetuspto-grants-2016_09
ORD IDord-aa9de6d6332a406bbdc74a897e5a618d
Source noteuspto-grants-2016_09