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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 566957Generated: October 30, 2026

3-Chloro-1-propanol → (R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline

https://huagongshe.com/reaction/566957

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Chloro-1-propanolHCID 12313—
ReactantHCID 20639462HCID 20639462—
ReactantHCID 86756254HCID 86756254—
Product(R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinolineHCID 978314—

Reaction Steps

(1S,2RS)-6,7-Dimethoxy-2-ethyl-2-(3-hydroxypropyl)-1-(3,4,5-trimethoxyphenyl )-1,2,3,4-tetrahydroisoquinolinium chloride [(1S,2R)/(1S,2S), 2:1] was prepared by alkylation with ethyl iodide/potassium carbonate/dimethylformamide followed by quaternization with 3-chloropropanol (see Synthetic Example 1, procedure a).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06177445B1
Source datasetuspto-grants-2001_01
ORD IDord-429a7a3c876549aa908bc4ceb686bebe
Source noteuspto-grants-2001_01