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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1052365Generated: November 1, 2026

Hydrochloric Acid → (S)-2-(1-Amino-3-(benzyloxy)propyl)-3-(3,5-difluorophenyl)-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-5-carbonitrile

https://huagongshe.com/reaction/1052365

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,4-DioxaneHCID 31275—
Reactant(S)-tert-Butyl (3-(benzyloxy)-1-(5-cyano-3-(3,5-difluorophenyl)-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)propyl)carbamateHCID 131736115—
Product(S)-2-(1-Amino-3-(benzyloxy)propyl)-3-(3,5-difluorophenyl)-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazine-5-carbonitrileHCID 118433824107.2%

Reaction Steps

(S)-tert-Butyl (3-(benzyloxy)-1-(5-cyano-3-(3,5-difluorophenyl)-4-oxo-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)propyl)carbamate (50 mg, 0.09 mmol) was treated with a solution of hydrochloric acid in dioxane (4M, 350 μl, 1.4 mmol) according to the method described in Preparation 1 to obtain 42 mg (92% yield) of the title compound as a yellow solid. Purity 96%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09388189B2
Source datasetuspto-grants-2016_07
ORD IDord-b7416a5ad60747ab989edb6d36e2325b
Source noteuspto-grants-2016_07