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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 897390Generated: October 26, 2026

Benzyl Bromide → 1-Benzylcyclopropanecarbonitrile

https://huagongshe.com/reaction/897390

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl BromideHCID 7498—
ReactantCyclopropanecarbonitrileHCID 79637—
ReactantLithium diisopropylamideHCID 2724682—
SolventTetrahydrofuranHCID 8028—
Product1-BenzylcyclopropanecarbonitrileHCID 22346652—

Reaction Steps

A solution of cyclopropyl cyanide (3.0 mL, 40 mmol) in 20 mL THF was dropwise added to a stirred, freshly prepared, mixture of lithium diisopropylamide (40 mmol) in THF (100 mL) at −78° C. After 30 min, a solution of benzyl bromide 7.8 mL, 60 mmol) in THF (20 mL) was dropwise added. The resulting mixture was warmed slowly over several hrs and stirred at rt 48 h. The reaction was quenched (250 mL saturated NH4Cl), extracted with ether (3×100 mL) and the combined organic extracts were dried (MgSO4), filtered and concentrated to afford a yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06921762B2
Source datasetuspto-grants-2005_07
ORD IDord-d2626b5c39244cf09e8cd13fb09b5557
Source noteuspto-grants-2005_07