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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1043613Generated: October 29, 2026

Hydrochloric Acid → 4-(2-(5-fluoro-1H-indol-4-yl)-6-(piperidin-4-ylmethyl)pyrido[3,2-d]pyrimidin-4-yl)morpholine

https://huagongshe.com/reaction/1043613

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl 4-((2-(5-fluoro-1H-indol-4-yl)-4-morpholinopyrido[3,2-d]pyrimidin-6-yl)methyl)piperidine-1-carboxylateHCID 53378677—
Solvent1,4-DioxaneHCID 31275—
Product4-(2-(5-fluoro-1H-indol-4-yl)-6-(piperidin-4-ylmethyl)pyrido[3,2-d]pyrimidin-4-yl)morpholineHCID 58404994—

Reaction Steps

Crude tert-butyl 4-((2-(5-fluoro-1H-indol-4-yl)-4-morpholinopyrido[3,2-d]pyrimidin-6-yl)methyl)piperidine-1-carboxylate 137 was reacted with 4N HCl in dioxane and purified by reverse phase HPLC to afford 16 mg of 139. MS (Q1) 447.2 (M)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08563540B2
Source datasetuspto-grants-2013_10
ORD IDord-b05e2a8f454645519bcc603ff18bc705
Source noteuspto-grants-2013_10