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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 79520Generated: October 28, 2026

Triethylamine → (5)-Tert-butyl 3-(4-(5-bromo-1h-pyrrolo [2,3-b]pyridin-4-yl)piperazin-1-yl)-2-(4-chlorophenyl)-3-oxopropyl(isopropyl)carbamate

https://huagongshe.com/reaction/79520

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 15908—
Reactant1-Hydroxybenzotriazole hydrateHCID 2796029—
Reactant(R)-2-amino-1-(4-(5-bromo-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazin-1-yl)-3-(4-chlorophenyl)propan-1-oneHCID 44123672—
Reactant(2S)-3-[tert-butoxycarbonyl(isopropyl)amino]-2-(4-chlorophenyl)propanoic acidHCID 59564929—
SolventDichloromethaneHCID 6344—
Product(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 6876484760.4%

Reaction Steps

5-Bromo-4-(piperazin-1-yl)-1H-pyrrolo[2,3-b]pyridine dihydrochloride (0.100 g, 0.282 mmol, see Example 1), (S)-3-(tert-butoxycarbonyl(isopropyl)amino)-2-(4-chlorophenyl)propanoic acid (0.145 g, 0.424 mmol, see Example H), HOBT-H2O (0.0606 g, 0.395 mmol), EDCI (0.0704 g, 0.367 mmol), and triethylamine (0.0394 mL, 0.282 mmol) were stirred in DCM (5 mL) at room temperature for 5 hours. The reaction was then quenched with saturated Na2CO3 and extracted into DCM. The organics were dried, filtered, and concentrated to give the crude product. Purification (500:6 DCM:MeOH) gave (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 (0.103 g, 60.2% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08841304B2
Source datasetuspto-grants-2014_09
ORD IDord-8a256ade946d4432a0c2d8bea1e9b971
Source noteuspto-grants-2014_09