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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1164926Generated: November 2, 2026

Hydrochloric Acid → HCID 19863725, compound

https://huagongshe.com/reaction/1164926

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantTriethylamineHCID 8471—
ReactantPropionyl chlorideHCID 62324—
ReactantHCID 19863724HCID 19863724—
SolventTetrahydrofuranHCID 8028—
ProductHCID 19863725HCID 19863725—

Reaction Steps

To a stirred mixture of 7-hydroxy-4-methylcoumarone (88.0 g, 0.5 mole), triethylamine (83.4 mL, 0.6 mole) and tetrahydrofuran (1 L) was added propanoyl chloride (46.27 g 0.5 mole) dropwise. The mixture was poured into cold 0.5 N hydrochloric acid (3 L) slowly with stirring. The solid was collected, washed with water, and dried. mp. 147° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04906658
Source datasetuspto-grants-1990_03
ORD IDord-eab61cb740154e50b8770852dd558ca1
Source noteuspto-grants-1990_03