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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79540Generated: October 27, 2026

Potassium Carbonate → (S)-tert-butyl 2-(4-chlorophenyl)-3-(4-(5-(3,4-dimethoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-3-oxopropyl(isopropyl)carbamate

https://huagongshe.com/reaction/79540

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant3,4-Dimethoxyphenylboronic acidHCID 2734702—
Reactant(5)-Tert-butyl 3-(4-(5-bromo-1h-pyrrolo [2,3-b]pyridin-4-yl)piperazin-1-yl)-2-(4-chlorophenyl)-3-oxopropyl(isopropyl)carbamateHCID 68764847—
CatalystHCID 178418397HCID 178418397—
Product(S)-tert-butyl 2-(4-chlorophenyl)-3-(4-(5-(3,4-dimethoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-3-oxopropyl(isopropyl)carbamateHCID 6876184818.3%

Reaction Conditions

Temperature80 °C

Reaction Steps

(S)-tert-Butyl 3-(4-(5-bromo-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-2-(4-chlorophenyl)-3-oxopropyl(isopropyl)carbamate (0.100 g, 0.165 mmol, see Example 4), 3,4-dimethoxyphenylboronic acid (0.0361 g, 0.198 mmol), Pd(PPh3)4 (0.009 g, 0.0083 mmol) and 10% K2CO3 (aq., 0.344 mL, 0.248 mmol) were added to an Ar degassed solution of 2:1 toluene:EtOH (3 mL). The reaction was then heated to 80° C. for 24 hours. The reaction was then cooled to room temperature, diluted with water, and extracted with DCM. The organic fractions were dried, filtered, concentrated, and purified (500:10-500:15) to give (S)-tert-butyl 2-(4-chlorophenyl)-3-(4-(5-(3,4-dimethoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-3-oxopropyl(isopropyl)carbamate (0.020 g, 18.2% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841304B2
Source datasetuspto-grants-2014_09
ORD IDord-39509a3976a44d76a91f569f799eb595
Source noteuspto-grants-2014_09