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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1656850Generated: October 27, 2026

Hydroxylamine → Dopamine

https://huagongshe.com/reaction/1656850

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydroxylamineHCID 787—
Reactant4-(2-Amino-1-hydroxyethyl)-5-fluoro-1,2-benzenediolHCID 1862—
ReactantGlycine ethyl esterHCID 12176—
Reactant6-Nitro-1,3-benzodioxole-5-carboxaldehydeHCID 12840—
ReactantBoron tribromideHCID 25134—
ReactantThionyl bromideHCID 68176—
ReactantGlycine tert-butyl esterHCID 151417—
ReactantHCID 12223112HCID 12223112—
ReactantAluminium lithium hydrideHCID 21226445—
ProductDopamineHCID 681—

Reaction Steps

(1S)-(-)-α-pinene, 6-nitropiperonal, boron tribromide, glycine ethyl ester, lithium aluminum hydride (1M in diethyl ether) and thionyl bromide were obtained from Aldrich. Glycine t-butyl ester was purchased from Sigma Chemical Company. Hydroxylamine (free base) was obtained from Southwestern Analytic Chemicals, Inc. 6-Fluoronorepinephrine was purchased from RBI (Research Biochemicals Inc.). Dopamine and dopamine β-hydroxylase was obtained from the Sigma Chemical Co. 1H NMR spectra were also recorded with a Brucker 300 MHz in CDCl3 as a solvent using TMS as internal reference. Mass spectra were recorded with a Finnegan-Mat GC-MS 5100 mass spectrometer using electron impact ionization at 70 eV. HPLC analyses were carried out with a Perkin-Elmer liquid chromatograph equipped with a radioactivity monitor and UV detector. Optical rotation analysis was performed by Rudolph Instruments, Inc.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05254726
Source datasetuspto-grants-1993_10
ORD IDord-245f229b68e649248584cddec56d2b63
Source noteuspto-grants-1993_10