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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1478374Generated: November 1, 2026

Ethyl 8-chloro-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylate → HCID 86696771, compound

https://huagongshe.com/reaction/1478374

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 8-chloro-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylateHCID 9927245—
Reactant1H-Indazole-5-boronic acid pinacol esterHCID 17750469—
ProductHCID 86696771HCID 8669677178.9%

Reaction Steps

Ethyl 8-(1H-indazol-5-yl)-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylate was prepared according to General Procedure A′ from ethyl 8-chloro-1-cyclopropyl-7-fluoro-9-methyl-4-oxo-4H-quinolizine-3-carboxylate (50 mg, 0.15 mmol) and 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (45.2 mg, 0.19 mmol). Purification by flash silica column chromatography (DCM:MeOH) (1:0 to 9:1) afforded the title compound as a yellow solid (48 mg, 77%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09403818B2
Source datasetuspto-grants-2016_08
ORD IDord-7af0c7c419d04c4eadd320cc987e670a
Source noteuspto-grants-2016_08