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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 880251Generated: October 31, 2026

Ammonium Hydroxide → (S)-1-Amino-3-(3,4-dihydroisoquinolin-2(1H)-yl)propan-2-ol

https://huagongshe.com/reaction/880251

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAmmonium HydroxideHCID 14923—
Reactant(R)-2-(oxiran-2-ylmethyl)-1,2,3,4-tetrahydroisoquinolineHCID 30076569—
SolventEthanolHCID 702—
Product(S)-1-Amino-3-(3,4-dihydroisoquinolin-2(1H)-yl)propan-2-olHCID 25312355—

Reaction Conditions

Temperature100 °C

Reaction Steps

To a solution of (R)-2-(oxiran-2-ylmethyl)-1,2,3,4-tetrahydroisoquinoline (200 mg, 5.2 mmol) in EtOH (20 mL) was added NH4OH (600 mg, 35.2 mmol) at −78° C. The reaction mixture was then warmed and heated at 100° C. for 3 h in a seal tube. The reaction mixture was concentrated and the crude product was used in next step without further purification. LCMS (m/z): 207.1 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08993555B2
Source datasetuspto-grants-2015_03
ORD IDord-da741157519d4e53878e3a1bcd2eb1ee
Source noteuspto-grants-2015_03