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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2054902Generated: October 29, 2026

Water → HCID 59656639, compound

https://huagongshe.com/reaction/2054902

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantCyclopentanemethanolHCID 77195—
ReactantSodium bis(trimethylsilyl)amideHCID 2724254—
Reactant4-Bromo-2,6-difluorobenzonitrileHCID 2756916—
SolventTetrahydrofuranHCID 8028—
ProductHCID 59656639HCID 5965663944.4%

Reaction Steps

To a stirred solution of the above benzonitrile intermediate (7.5 g, 34.4 mmol) in dry THF (50 mL) at 0° C. was added a mixture of sodium bis(trimethylsilyl)amide (1.0 M, 34 mL, 34 mmol) and cyclopentanemethanol (3.4 g, 34 mmol) in THF (100 mL). The reaction was allowed to warm up to room temperature and stirred overnight. Water (50 mL) was added to the reaction and the product was extracted by CH2Cl2 (2×50 mL). The solvent was washed with brine and dried over Na2SO4. The solvent was removed to give 4-bromo-2-cyclopentylmethoxy-6-fluorobenzonitrile (4.5 g, 43.9%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07329764B2
Source datasetuspto-grants-2008_02
ORD IDord-0babfa298ad34290820823be02ba4102
Source noteuspto-grants-2008_02