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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2109161Generated: October 27, 2026

2-Chloro-5-ethynylpyridine → 3-Ethynyl-2-methylpyridine

https://huagongshe.com/reaction/2109161

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-Chloro-5-ethynylpyridineHCID 10654281—
Reactant2-Methylpyridin-3-yl trifluoromethanesulfonateHCID 10776465—
Product3-Ethynyl-2-methylpyridineHCID 14526587—

Reaction Steps

2-Methyl-3-ethynyl pyridine was prepared from trifluoro-methanesulfonic acid 2-methyl-pyridin-3-yl ester in the same manner as 2-chloro-5-ethynyl-pyridine (Example 1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07514458B2
Source datasetuspto-grants-2009_04
ORD IDord-d40912fae6384cc19e6325acee120a8d
Source noteuspto-grants-2009_04