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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 254922Generated: October 25, 2026

3,4,5-Trimethoxybenzoic Acid → N,3,4,5-tetramethoxy-N-methyl-Benzamide

https://huagongshe.com/reaction/254922

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4,5-Trimethoxybenzoic AcidHCID 8357—
ReactantOxalyl chlorideHCID 65578—
ReactantMethanamine, N-methoxy-, hydrochloride (1:1)HCID 81138—
ProductN,3,4,5-tetramethoxy-N-methyl-BenzamideHCID 267535—

Reaction Steps

3,4,5-Trimethoxybenzoic acid was allowed to react with oxalyl chloride, and the resulting acid chloride was allowed to react with N,O-dimethylhydroxyamine hydrochloride to obtain N,3,4,5-tetramethoxy-N-methylbenzamide. The resulting compound was allowed to react with 4-phenylbutylmagnesium chloride to obtain 5-phenyl-1-(3,4,5-trimethoxyphenyl)pentan-1-one. The resulting compound was allowed to react with lithium diisopropylamine and methyl2-[4-(bromomethyl)phenoxy]benzoate in the presence of N,N,N′,N″,N″-pentamethyldiethylenetriamine to obtain methyl2-{4-[5-phenyl-2-(3,4,5-trimethoxybenzoyl)pentyl]phenoxy}benzoate. The resulting compound was hydrolyzed with sodium hydroxide to give the title compound having the following physical properties.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07875745B2
Source datasetuspto-grants-2011_01
ORD IDord-ffc278f7405b472a8b837964436c1d1f
Source noteuspto-grants-2011_01