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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79287Generated: October 29, 2026

Hydrochloric Acid → N-(3-ethyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-yl)-7-(piperazine-1-carbonyl)imidazo[1,2-a]pyridine-3-carboxamide dihydrochloride

https://huagongshe.com/reaction/79287

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl 4-(3-(3-ethyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-ylcarbamoyl)imidazo[1,2-a]pyridine-7-carbonyl)piperazine-1-carboxylateHCID 67261318—
SolventEthyl AcetateHCID 8857—
ProductN-(3-ethyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-yl)-7-(piperazine-1-carbonyl)imidazo[1,2-a]pyridine-3-carboxamide dihydrochlorideHCID 67259638—

Reaction Steps

To a solution of tert-butyl 4-(3-(3-ethyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-ylcarbamoyl)imidazo[1,2-a]pyridine-7-carbonyl)piperazine-1-carboxylate (10.2 mg, 0.0164 mmol) in ethyl acetate (1 mL) was added hydrogen chloride (1 mL; 4M in dioxane) and the mixture was stirred for 45 minutes. The solvent was removed under reduced pressure and dried under high vacuum to give N-(3-ethyl-1-((6-methylpyridin-2-yl)methyl)-1H-indazol-4-yl)-7-(piperazine-1-carbonyl)imidazo[1,2-a]pyridine-3-carboxamide dihydrochloride (9.5 mg). MS (APCI), positive scan, m/z=523.3 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841455B2
Source datasetuspto-grants-2014_09
ORD IDord-a265172f62244e5896c4e7e646e82ba0
Source noteuspto-grants-2014_09