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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 381109Generated: October 30, 2026

Potassium Carbonate → 1-(1-Ethoxycyclopropyl)-4-ethynyl-2-tert-butylbenzene

https://huagongshe.com/reaction/381109

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant[4-(1-Ethoxycyclopropyl)-3-tert-butyl-phenylethynyl]-trimethylsilaneHCID 22568955—
SolventMethanolHCID 887—
Product1-(1-Ethoxycyclopropyl)-4-ethynyl-2-tert-butylbenzeneHCID 22568875—

Reaction Steps

Using General Procedure E; [4-(1-ethoxycyclopropyl)-3-tert-butyl-phenylethynyl]-trimethylsilane (Intermediate 111, 215.0 mg, 0.69 mmol) in methanol (10 mL) was treated with potassium carbonate (80.0 mg, 0.58 mmol) and stirred overnight at ambient temperature. The crude alkyne, 169 mg, was used directly in the next reaction.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06303785B1
Source datasetuspto-grants-2001_10
ORD IDord-cbfbf4a6f3734c9984b9c403e704f3f2
Source noteuspto-grants-2001_10