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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2379036Generated: October 30, 2026

Meperidine Hydrochloride → HCID 18957816, compound

https://huagongshe.com/reaction/2379036

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 numberUS05360805
Source datasetuspto-grants-1994_11
ORD IDord-0228692edfbb4338ad269f0ffc744012
Source noteuspto-grants-1994_11