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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 519082Generated: October 29, 2026

Hydrochloric Acid → 9-(azetidin-3-ylamino)-1-methyl-5,6-dihydro-1H-[1,2,4]triazino[4,3-a]quinolin-2(3H)-one hydrochloric acid

https://huagongshe.com/reaction/519082

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantEthyl AcetateHCID 8857—
Reactanttert-butyl 3-(1-methyl-2-oxo-2,3,5,6-tetrahydro-1H-[1,2,4]triazino[4,3-a]quinolin-9-ylamino)azetidine-1-carboxylateHCID 86727448—
Product9-(azetidin-3-ylamino)-1-methyl-5,6-dihydro-1H-[1,2,4]triazino[4,3-a]quinolin-2(3H)-one hydrochloric acidHCID 8672744995%

Reaction Steps

To a solution of HCl in EtOAc (4M, 5 mL, 20 mmol) was added slowly tert-butyl-3-(1-methyl-2-oxo-2,3,5,6-tetrahydro-1H-[1,2,4]triazino[4,3-a]quinolin-9-ylamino)azetidine-1-carboxylate (0.022 g, 0.057 mmol) and the reaction mixture was stirred at ambient temperature for 2 h. The solution was concentrated in vacuo to give 9-(azetidin-3-ylamino)-1-methyl-5,6-dihydro-1H-[1,2,4]triazino[4,3-a]quinolin-2(3H)-one hydrochloric acid (0.015 g, 95%). LC/MS (Table 1, Method 5) Rt=2.252 min; MS m/z: 286 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09115151B2
Source datasetuspto-grants-2015_08
ORD IDord-d35e88e40a764623a2ff21fcc51ccb10
Source noteuspto-grants-2015_08