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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 40231Generated: October 25, 2026

1-Ethyl-1H-pyrazole-4-boronic acid, pinacol ester → 1-(2-Methoxyethyl)-1H-pyrazole-4-boronic acid, pinacol ester

https://huagongshe.com/reaction/40231

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-1H-pyrazole-4-boronic acid, pinacol esterHCID 11379045—
Reactant4-Bromo-1-(2-methoxyethyl)-1H-pyrazoleHCID 23247855—
Product1-(2-Methoxyethyl)-1H-pyrazole-4-boronic acid, pinacol esterHCID 11230491—

Reaction Steps

The title compound was prepared in the same manner as 1-ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, using 1-(2-methoxyethyl)-4-bromo-1H-pyrazole (see Ivachtchenko, A. V., et al J. Het. Chem. 2004, 41, 931-939).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08524900B2
Source datasetuspto-grants-2013_09
ORD IDord-738567d13b6c4202acae2a4452b09ffe
Source noteuspto-grants-2013_09