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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1409974Generated: October 25, 2026

Ethynylpyridine → Ethyl 3-(pyridin-3-yl)-1H-pyrazole-5-carboxylate

https://huagongshe.com/reaction/1409974

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthynylpyridineHCID 137268—
ReactantDiazoethylacetateHCID 54217441—
ReactantEthyl 3-(trimethylsilyl)-1H-pyrazole-5-carboxylateHCID 178469409—
ProductEthyl 3-(pyridin-3-yl)-1H-pyrazole-5-carboxylateHCID 575603—

Reaction Steps

Was prepared in a similar way to ethyl 3-(trimethylsilyl)-1H-pyrazole-5-carboxylate using diazoethyl acetate (Purchased from Aldrich) and 2-ethynyl-pyridine (Purchased from Aldrich)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08921401B2
Source datasetuspto-grants-2014_12
ORD IDord-726efde8534c47babb8761842983a26a
Source noteuspto-grants-2014_12