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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 443652Generated: October 25, 2026

Ethyl 2-aminobenzoate → Ethyl 2-{[2-(1-naphthyloxy)ethyl]amino}benzoate

https://huagongshe.com/reaction/443652

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-aminobenzoateHCID 6877—
ReactantHexamethylphosphoramideHCID 12679—
Reactant1-(2-Bromoethoxy)naphthaleneHCID 11075906—
SolventWaterHCID 962—
ProductEthyl 2-{[2-(1-naphthyloxy)ethyl]amino}benzoateHCID 23468271—

Reaction Steps

A solution of 12.54 g. of 2-(1-naphthyloxy)ethyl bromide and 16.5 g. of ethyl anthranilate in 50 ml. of hexamethylphosphoramide are heated at 110° for 18 hours. After cooling and diluting with water, the mixture is extracted twice with 200 ml. of ether. The combined ether extracts are washed with water, dried and evaporated to a brown oil. The oil is dissolved in 60 ml. of ethanol and chilled in an ice-bath yielding a beige solid which is recrystallized from 100 ml. of ethanol affording pale yellow crystals, m.p. 81°-83° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04260816
Source datasetuspto-grants-1981_04
ORD IDord-c6c19d9a1f554ed29db948a37fd82ba5
Source noteuspto-grants-1981_04