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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 278734Generated: October 26, 2026

Potassium Carbonate → 1-Ethynyl-4-(1-benzyloxycyclopropyl)-3-ethyl-benzene

https://huagongshe.com/reaction/278734

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant[4-(1-Benzyloxycyclopropyl)-3-ethyl-phenylethynyl]-trimethylsilaneHCID 22568833—
SolventMethanolHCID 887—
Product1-Ethynyl-4-(1-benzyloxycyclopropyl)-3-ethyl-benzeneHCID 22568983—

Reaction Steps

Using General Procedure E; [4-(1-benzyloxycyclopropyl)-3-ethyl-phenylethynyl]-trimethylsilane (Intermediate 89, 240 mg, 0.69 mmol) in methanol (6 mL) was treated with potassium carbonate (10.0 mg, 0.72 mmol) and stirred overnight at ambient temperature. The crude alkyne (190 mg, 99%) was used directly in the next reaction.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06359135B1
Source datasetuspto-grants-2002_03
ORD IDord-b78c5b256eb9496c83cc51667209d886
Source noteuspto-grants-2002_03