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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1957239Generated: October 30, 2026

Propargyl bromide → 3-Chloro-2-(4-chloro-2-fluoro-5-propargyloxyphenyl)-5-trifluoromethylpyridine

https://huagongshe.com/reaction/1957239

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPropargyl bromideHCID 7842—
Reactant2-Chloro-5-(3-chloro-5-trifluoromethylpyrid-2-yl)-4-fluorophenolHCID 11823568—
Reactant3-Chloro-2-(4-chloro-3-propargyloxyphenyl)-5-trifluoromethylpyridineHCID 19068758—
Product3-Chloro-2-(4-chloro-2-fluoro-5-propargyloxyphenyl)-5-trifluoromethylpyridineHCID 1145135267%

Reaction Steps

In a preparation similar to that described above for 3-chloro-2-(4-chloro-3-propargyloxyphenyl)-5-trifluoromethylpyridine, reaction of 1.4 g (4.5 mmol) of 3-chloro-2-(4-chloro-2-fluoro-5-hydroxyphenyl)-5-trifluoromethylpyridine and 0.6 g (5 mmol) of propargyl bromide resulted in 1.1 g of colorless crystals. Yield: 67%; melting point: 97°-98° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05783522
Source datasetuspto-grants-1998_07
ORD IDord-e098c80d18ca491ba9f935c04f4ec9e6
Source noteuspto-grants-1998_07