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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 531678Generated: October 30, 2026

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

https://huagongshe.com/reaction/531678

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium CarbonateHCID 10340—
Reactant1-(3-fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 69132726—
Reactanttert-butyl 4-(4-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylateHCID 90031353—
CatalystBis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)HCID 178418228—
SolventEthanol toluene waterHCID 86587398—
Producttert-butyl 4-(4-(3-(1-(3-fluorobenzyl)-1H-pyrazol-4-yl)-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylateHCID 9003099733.05%

Reaction Steps

Using similar reaction conditions as described in step-i of example-1, tert-butyl 4-(4-(3-iodo-1-tosyl-1H-pyrrolo[2,3-b]pyridin-5-yl)-2-nitrophenyl)piperazine-1-carboxylate (intermediate 66J) (340 mg, 0.48 mmol) was coupled with 1-(3-fluorobenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (intermediate 11) (189 mg, 0.628 mmol) using Pd(dppf)Cl2 (18 mg, 0.024 mol) and sodium carbonate (152 mg, 1.44 mmol) in toluene/ethanol/water (20/10/5 ml) to afford 120 mg (33.05% yield) of the titled. MS: m/z=752.2 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09353107B2
Source datasetuspto-grants-2016_05
ORD IDord-216852020d814af5a6c583ff6563ca86
Source noteuspto-grants-2016_05