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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 624719Erstellt: 25. Oktober 2026

Acetonitrile → Tert-butyl 4-(5-chloropyrazolo[1,5-a]pyrimidin-7-ylamino)piperidine-1-carboxylate

https://huagongshe.com/reaction/624719

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktAcetonitrileHCID 6342—
EduktTriethylamineHCID 8471—
Edukt4-Amino-1-Boc-piperidineHCID 1268291—
Edukt5,7-Dichloropyrazolo[1,5-a]pyrimidineHCID 11074154—
LösungsmittelWaterHCID 962—
ProduktTert-butyl 4-(5-chloropyrazolo[1,5-a]pyrimidin-7-ylamino)piperidine-1-carboxylateHCID 58314523—

Reaktionsbedingungen

Temperatur100 °C

Reaktionsschritte

To the reaction flask, 5,7-dichloropyrazolo[1,5-a]pyrimidine (896 mg, 4.8 mmol) was added along with tert-butyl 4-aminopiperidine-1-carboxylate (954 mg, 4.8 mmol), triethylamine (664 μL, 4.8 mmol), and acetonitrile (16 mL). The reaction was heated at 100° C. for 12 hours then cooled to room temperature, diluted with water, filtered and washed with water. The product, tert-butyl 4-(5-chloropyrazolo[1,5-a]pyrimidin-7-ylamino)piperidine-1-carboxylate, was collected as a solid in quantitative yield and dried under vacuum overnight. LCMS (M+1=352)

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS09303033B2
Quelldatensatzuspto-grants-2016_04
ORD IDord-2617cc04c67b4e199341ad96ea4ed970
Quellennotizuspto-grants-2016_04