Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2176674Generated: October 31, 2026

1-Ethyl-1H-pyrazole-4-boronic acid, pinacol ester → 1-(Tetrahydrofuran-3-YL)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1H-pyrazole

https://huagongshe.com/reaction/2176674

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-Ethyl-1H-pyrazole-4-boronic acid, pinacol esterHCID 11379045—
Reactant4-bromo-1-(oxolan-3-yl)-1H-pyrazoleHCID 59231683—
Product1-(Tetrahydrofuran-3-YL)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-YL)-1H-pyrazoleHCID 59231712—

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 starting with 4-bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09066954B2
Source datasetuspto-grants-2015_06
ORD IDord-10098b2b414640eb86de74ded9c8c136
Source noteuspto-grants-2015_06