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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1453820Generated: October 26, 2026

Sodium Azide → HCID 57528490, compound

https://huagongshe.com/reaction/1453820

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium AzideHCID 33557—
ReactantDimethyl 4-benzyloxy-1-(2-bromoethyl)-1H-pyrazole-3,5-dicarboxylateHCID 57528492—
SolventDimethylformamideHCID 6228—
ProductHCID 57528490HCID 57528490—

Reaction Conditions

Temperature40 °C

Reaction Steps

To a solution of dimethyl 4-benzyloxy-1-(2-bromoethyl)-1H-pyrazole-3,5-dicarboxylate (1.0 g, 2.52 mmol) in DMF was added sodium azide. The reaction mixture was stirred at 40° C. overnight and quenched with water (100 mL). The mixture was extracted with EtOAc four times, and the organic extracts were washed with brine, dried over Na2SO4, and concentrated in vacuo. The resulting residue was purified by flash chromatography on silica gel using 0-30% EtOAc/hexanes gradient elution. Collection and concentration of the appropriate fractions afforded the title compound as a white solid. ES MS (M+1)=360.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07476666B2
Source datasetuspto-grants-2009_01
ORD IDord-ad6f685014124c448770a8d313256d2d
Source noteuspto-grants-2009_01