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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 328003Generated: October 30, 2026

Pyridinium chloride → 3-(3-Ethoxy-3-oxopropyl)-4-hydroxy-gamma-oxobenzenebutanoic acid ethyl ester

https://huagongshe.com/reaction/328003

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridinium chlorideHCID 10176127—
Reactant3-(3-Ethoxy-3-oxopropyl)-4-methoxy-gamma-oxobenzenebutanoic AcidHCID 19922091—
Product3-(3-Ethoxy-3-oxopropyl)-4-hydroxy-gamma-oxobenzenebutanoic acid ethyl esterHCID 539065684,219.6%

Reaction Steps

Starting with a mixture of 6.48 g (21.0 mmol) of 3-(3-ethoxy-3-oxopropyl)-4-methoxy-γ-oxobenzenebutanoic acid and 24.4 g (0.211 mmol) of pyridine hydrochloride, the title compound (2.87 g, 42.4%) was obtained as a light-tan oil, using the procedure of example 140.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05273999
Source datasetuspto-grants-1993_12
ORD IDord-c5c3f303f7ce429c93fde1bc2adf0b6c
Source noteuspto-grants-1993_12