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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 531822Generated: October 30, 2026

Sodium Carbonate → tert-butyl 4-(5-(3-(1-(3-fluorobenzyl)-5-methyl-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylate

https://huagongshe.com/reaction/531822

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
Reactant1-(3-fluorobenzyl)-3-methyl-4-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)-1H-pyrazoleHCID 90030843—
Reactanttert-butyl 4-(5-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylateHCID 118523942—
CatalystBis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)HCID 178418228—
SolventEthanol toluene waterHCID 86587398—
Producttert-butyl 4-(5-(3-(1-(3-fluorobenzyl)-5-methyl-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylateHCID 118523983—

Reaction Steps

Using similar reaction conditions as described in step-i of example-1, tert-butyl 4-(5-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)pyridin-2-yl)piperazine-1-carboxylate (Intermediate 66K) (200 mg, 0.303 mmol) was coupled with 1-(3-fluorobenzyl)-3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (intermediate 12) (116 mg, 0.363 mmol) using sodium carbonate (96 mg, 0.909 mmol) and Pd(dppf)Cl2 (11 mg, 0.015 mmol) in toluene/ethanol/water (10/10/1 mL) to afford 250 mg (crude) of the titled compound after purification by column (Silica gel 60/120) using 50% ethyl acetate in hexane as eluent. MS: m/z=722.5 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09353107B2
Source datasetuspto-grants-2016_05
ORD IDord-17ae76c6d55f47599c251306628c2513
Source noteuspto-grants-2016_05