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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1514882Generated: November 4, 2026

Dimethylformamide → 2,6-Dimethyl-4-(2-pyrrolidin-1-yl-ethoxy)-benzaldehyde

https://huagongshe.com/reaction/1514882

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
Reactant1-[2-(4-Bromo-3,5-dimethyl-phenoxy)-ethyl]-pyrrolidineHCID 66965651—
ReactantButyllithiumHCID 178418339—
SolventTetrahydrofuranHCID 8028—
Product2,6-Dimethyl-4-(2-pyrrolidin-1-yl-ethoxy)-benzaldehydeHCID 86651259—

Reaction Conditions

Temperature-78 °C

Reaction Steps

To a solution of 1-[2-(4-bromo-3,5-dimethyl-phenoxy)-ethyl]-pyrrolidine (176 mg) in THF (5 mL) was added n-BuLi (1.36 mL, 1.0 M solution in hexane) at −78° C. The mixture was stirred at −78° C. for 30 min, allowed to warm up to −40° C. for 5 min, and then cooled down to at −78° C. After 20 min. DMF (0.24 mL) was added. The mixture was stirred at −78° C. for 30 min and then allowed to warm up to room temperature for 1 h. The reaction was quenched with saturated NH4Cl aqueous solution and extracted with EtOAc. The organic extracts were washed with brine, dried over Na2SO4, and concentrated under reduced pressure to give 2,6-dimethyl-4-(2-pyrrolidin-1-yl-ethoxy)-benzaldehyde: MS (m/z) 248 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08222248B2
Source datasetuspto-grants-2012_07
ORD IDord-31873e92ec6e47d283e84029681b3008
Source noteuspto-grants-2012_07