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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 686769Generated: October 30, 2026

Hydrogen Bromide → 1H-Pyrazole-5-carboxylic acid, 3-bromo-1-(3-chloro-2-pyridinyl)-4,5-dihydro-, ethyl ester

https://huagongshe.com/reaction/686769

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantDibromomethaneHCID 3024—
Reactantethyl 1-(3-chloro-2-pyridinyl)-4,5-dihydro-3-[[(4-methylphenyl)sulfonyl]oxy]-1H-pyrazole-5-carboxylateHCID 22280356—
Product1H-Pyrazole-5-carboxylic acid, 3-bromo-1-(3-chloro-2-pyridinyl)-4,5-dihydro-, ethyl esterHCID 10065383—

Provenance & Evidence

DOI10.1039/C8SC04228D
Source datasetTraining data from https://doi.org/10.1039/C8SC04228D (3/10)
ORD IDord-3422880fbd3147e0bf33ad407f673556
Source noteTraining data from https://doi.org/10.1039/C8SC04228D (3/10)