Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1413939Generated: October 30, 2026

2-{[(2,3-Dichlorophenyl)methyl]amino}ethan-1-ol--hydrogen chloride (1/1) → 7,8-Dichloro-1,2,3,4-tetrahydroisoquinoline--hydrogen chloride (1/1)

https://huagongshe.com/reaction/1413939

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-{[(2,3-Dichlorophenyl)methyl]amino}ethan-1-ol--hydrogen chloride (1/1)HCID 3018540—
ReactantAluminum(III) ChlorideHCID 6451240—
Product7,8-Dichloro-1,2,3,4-tetrahydroisoquinoline--hydrogen chloride (1/1)HCID 123919174.2%

Reaction Steps

A mixture of 2.0 g (7.8 mm) of N-hydroxyethyl-2,3-dichlorobenzylamine hydrochloride and 5 g (37.5 mm) of aluminum chloride was reacted as above with the aluminum chloride additions at 0 time, 2 g; 1/2 hour, 1 g and 11/4 hour, 2 g to give 1.62 g (87.1%) of 7,8-dichloro-1,2,3,4-tetrahydroisoquinoline hydrochloride which is 97.93% pure by gas liquid chromatography.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04251660
Source datasetuspto-grants-1981_02
ORD IDord-47d8dfb1616b4bbc95d5b3ff24dc8da8
Source noteuspto-grants-1981_02