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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2120663Generated: October 31, 2026

Hydrochloric Acid → Pent-4-ynoic acid butyl ester

https://huagongshe.com/reaction/2120663

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant4-Pentynoic acidHCID 22464—
Solvent1-ButanolHCID 263—
ProductPent-4-ynoic acid butyl esterHCID 23435506—

Reaction Steps

HCl was bubbled into a n-butanol solution (200 mL) of pent-4-ynoic acid 6-3 (10 g, 102 mmol) for ten minutes. The solution was stirred overnight at room temperature. The solvent was removed in vacuo providing the crude ester 6-4 as a yellow liquid in quantitative yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06693101B2
Source datasetuspto-grants-2004_02
ORD IDord-e2171b9519f84a1d8e942fb5b6870537
Source noteuspto-grants-2004_02