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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1902544Generated: November 1, 2026

(S)-3-Methylthio-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinolinium iodide → (S)-3-[(3-methylisoquinol-8-yl)imino]-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinoline

https://huagongshe.com/reaction/1902544

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(S)-3-Methylthio-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinolinium iodideHCID 12874874—
Reactant3-Methylisoquinolin-8-amineHCID 20515638—
Product(S)-3-[(3-methylisoquinol-8-yl)imino]-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinolineHCID 2282224553.9%

Reaction Steps

By following the procedure of Example 2, but using (S)-3-methylthio-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinolinium iodide (8 g) and 8-amino-3-methylisoquinoline (3.5 g) as the starting materials, (S)-3-[(3-methylisoquinol-8-yl)imino]-1,5,10,10a-tetrahydrothiazolo[3,4-b]isoquinoline (4.1 g) is obtained in the form of pale yellow crystals, m.p.=156° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04363909
Source datasetuspto-grants-1982_12
ORD IDord-6c70ca65f03f42e0835a2e2f696a97ea
Source noteuspto-grants-1982_12