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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 449391Generated: October 29, 2026

Hydrochloric Acid → Hydrochloric Acid

https://huagongshe.com/reaction/449391

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl 7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-6-fluoro-3,4-dihydroisoquinoline-2(1H)-carboxylateHCID 59496598—
SolventMethanolHCID 887—
Solvent1,4-DioxaneHCID 31275—
ProductHydrochloric AcidHCID 313—
Product4-(6-Fluoro-1,2,3,4-tetrahydroisoquinolin-7-yl)-6-(4-methylpiperazin-1-yl)pyrimidin-2-amineHCID 59496648—

Reaction Steps

2.0 mL of 4 N HCl in 1,4-dioxane was added to a solution of tert-butyl 7-[2-amino-6-(4-methylpiperazin-1-yl)pyrimidin-4-yl]-6-fluoro-3,4-dihydroisoquinoline-2(1H)-carboxylate (0.050 g, 0.11 mmol) in methanol (1 mL). The reaction mixture was stirred at r.t. for 30 min The volatiles were removed under reduced pressure to afford the desired product as an HCl salt. Analytic LCMS (M+H)+: m/z=343.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08481732B2
Source datasetuspto-grants-2013_07
ORD IDord-99081ed0d07046a4adcf8006cc3e25a9
Source noteuspto-grants-2013_07