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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 21433Generated: October 26, 2026

Methylparaben → Methyl 4-(octadecyloxy)benzoate

https://huagongshe.com/reaction/21433

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylparabenHCID 7456—
Reactant1-BromooctadecaneHCID 8218—
ReactantPotassium CarbonateHCID 11430—
SolventMethyl Ethyl KetoneHCID 6569—
ProductMethyl 4-(octadecyloxy)benzoateHCID 418953645.4%

Reaction Steps

A mixture containing methyl 4-hydroxybenzoate (45.6 g), octadecylbromide (100 g), and potassium carbonate (41.4 g) in 2-butanone (200 ml) was heated at reflux for 16 hours. The solvent was then removed until 125 ml of 2-butanone had been collected. While it was still warm, the remaining material was poured into methanol (400 ml). The product was filtered and recrystallized from 2000 ml of methanol to give methyl 4-octadecyloxybenzoate (55 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05424183
Source datasetuspto-grants-1995_06
ORD IDord-5bd9025ada774765b81d784d3b0ccf52
Source noteuspto-grants-1995_06