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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1272923Generated: November 2, 2026

Tetrahydrofuran → 1-perhydro-2H-pyran-2-yl-3-[3-(3-pyridylcarbonylamino)phenyl]-1H-indazole-5-carboxamide

https://huagongshe.com/reaction/1272923

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantTriethylamineHCID 8471—
Reactant3-Pyridinecarbonyl chloride, hydrochloride (1:1)HCID 88438—
ReactantHCID 22480146HCID 22480146—
Product1-perhydro-2H-pyran-2-yl-3-[3-(3-pyridylcarbonylamino)phenyl]-1H-indazole-5-carboxamideHCID 22480218—

Reaction Steps

To a solution of 3-(3-aminophenyl)-1-perhydro-2H-pyran-2-yl-1H-indazole-5-carbonitrile (0.150 g, 0.47 mmol) in tetrahydrofuran (5 mL), was added nicotinoyl chloride hydrochloride (0.167 mg, 0.94 mmol) and triethyl amine (0.327 mL, 2.35 mmol). After stirring at room temperature overnight, the crude mixture was partitioned between ethyl acetate and water. The crude compound was isolated as a gummy solid. The yield was not calculated: ES-MS (m/z) 424 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07208513B2
Source datasetuspto-grants-2007_04
ORD IDord-122eef18e63e4222bef5b1e214da2d2d
Source noteuspto-grants-2007_04