Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 615379Generated: November 1, 2026

Sodium cyanoborohydride → 4-{[2-(1,4-Benzodioxan-2-yl)-2-hydroxyethyl]amino}piperidine

https://huagongshe.com/reaction/615379

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium cyanoborohydrideHCID 5003444—
ReactantHCID 13121298HCID 13121298—
ReactantPiperidin-2-one--hydrogen chloride (1/1)HCID 20088740—
SolventEthanolHCID 702—
Product4-{[2-(1,4-Benzodioxan-2-yl)-2-hydroxyethyl]amino}piperidineHCID 20427768—

Reaction Steps

Fifty g of [2-(1,4-benzodioxan-2-yl)-2-hydroxyethyl]amine and 85 g of piperidone HCl (ALDRICH) are dissolved in 1000 ml of ethanol. Sodium cyanoborohydride (75 g) is added, and after stirring at ambient conditions overnight (about 16 hr) the mixture is cooled and evaporated. The product is recovered by extraction with methylene chloride to yield 4-{[2-(1,4-benzodioxan-2-yl)-2-hydroxyethyl]amino}piperidine. This material is of sufficient purity to use in this invention.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04499100
Source datasetuspto-grants-1985_02
ORD IDord-dd716794465647778e632ca76c0d1fa6
Source noteuspto-grants-1985_02