Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 648308Generated: October 27, 2026

Benzocaine → Ethyl 4-(11-bromoundecanamido)benzoate

https://huagongshe.com/reaction/648308

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzocaineHCID 2337—
ReactantUndecanoyl chloride, 11-bromo-HCID 85202—
SolventDichloromethaneHCID 6344—
ProductEthyl 4-(11-bromoundecanamido)benzoateHCID 20482534—

Reaction Steps

A solution of 28 g. of 11-bromoundecanoyl chloride in 100 ml. of methylene chloride is slowly added with stirring to a solution of 20 g. of ethyl 4-aminobenzoate in 100 ml. of methylene chloride. The mixture is filtered and the filtrate is washed with dilute hydrochloric acid and water, dried, and evaporated. Crystallization from acetonitrile affords ethyl 4-(11-bromoundecanamido)benzoate as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04411903
Source datasetuspto-grants-1983_10
ORD IDord-20f34d8549964dabaceca69620caa7f5
Source noteuspto-grants-1983_10