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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 582613Generated: October 26, 2026

Potassium Cyanide → 2-Cyanoethyl-2,3-dihydrobenzofuran

https://huagongshe.com/reaction/582613

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CyanideHCID 9032—
Reactant2-(2-Tosyloxyethyl)-2,3-dihydrobenzofuranHCID 54469994—
SolventDimethyl SulfoxideHCID 679—
Product2-Cyanoethyl-2,3-dihydrobenzofuranHCID 5445643892.6%

Reaction Steps

Starting from 15.2 g (48 mmol) of 2-p-toluenesulfonyloxyethyl-2,3-dihydrobenzofuran (compound described in the U.S. Pat. No. 4,129,655) and 3.4 g (52 mmol) of potassium cyanide in 170 ml of dimethyl sulfoxide treated under the conditions described in step 5 of Example 7, 7.7 g of product were obtained in oil form.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05925662
Source datasetuspto-grants-1999_07
ORD IDord-eeecebefe8444e3d92f5801d1b46557b
Source noteuspto-grants-1999_07