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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 624633Generated: October 30, 2026

N-bromobutanimide → Ethyl 2-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoate

https://huagongshe.com/reaction/624633

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
ReactantEthyl 2-methyl-2-(1H-pyrazol-1-yl)propanoateHCID 90403665—
Solvent2-MethyltetrahydrofuranHCID 7301—
ProductEthyl 2-(4-bromo-1H-pyrazol-1-yl)-2-methylpropanoateHCID 59231678—

Reaction Steps

Ethyl 2-methyl-2-(1H-pyrazol-1-yl)propanoate 17 was reacted with N-bromosuccinimide (NBS) in 2-methyltetrahydrofuran to give IV (CAS Reg. No. 1040377-17-0).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09303043B2
Source datasetuspto-grants-2016_04
ORD IDord-55db6961761c4f62836c3671cceaac5f
Source noteuspto-grants-2016_04