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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 483798Generated: October 30, 2026

Meperidine Hydrochloride → HCID 18957816, compound

https://huagongshe.com/reaction/483798

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMeperidine HydrochlorideHCID 5750—
ReactantButylamineHCID 8007—
ReactantSodium HydroxideHCID 14798—
SolventDiethyl EtherHCID 3283—
ProductHCID 18957816HCID 18957816—

Reaction Steps

Pethidine hydrochloride (2.56 g, 9 mmol) and butylamine (5 ml) were heated in an autoclave at 180° C. for 3 days. The reaction mixture was shaken between 10 ml of 1N NaOH and diethyl ether and the ether extracts dried (MgSO4). The solvent was evaporated and the residue chromatographed on aluminium oxide with ethyl acetate as eluent. The crystalline product (1.0 g) was recrystallized from n-hexane yielding 0.59 g with m.p. 73°-76.5° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05227389
Source datasetuspto-grants-1993_07
ORD IDord-a7cf420fa8b541f19c4776eab999b597
Source noteuspto-grants-1993_07