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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 573287Erstellt: 23. Oktober 2026

Water → 3,3'-Benzene-1,4-diylbis(1-ethyl-1H-pyrazolo[4,3-b]pyridine)

https://huagongshe.com/de/reaction/573287

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
EduktWaterHCID 962—
EduktCesium carbonateHCID 10796—
Edukt1,4-Benzenediboronic acidHCID 230478—
Edukt3-bromo-1-ethyl-1H-pyrazolo[4,3-b]pyridineHCID 66727882—
KatalysatorHCID 178418397HCID 178418397—
LösungsmittelWater 1,2-dimethoxyethaneHCID 18180031—
Produkt3,3'-Benzene-1,4-diylbis(1-ethyl-1H-pyrazolo[4,3-b]pyridine)HCID 667280617,3%

Reaktionsschritte

A mixture of 1,4-phenylenediboronic acid (37.0 mg), 3-bromo-1-ethyl-1H-pyrazolo[4,3-b]pyridine (101 mg), Pd(PPh3)4 (25.8 mg) and Cs2CO3 (0.280 g) in DME/water (3/1, 4 mL) was exposed to microwave irradiation (120° C., 40 min), treated with water, and extracted with AcOEt. The organic layer was dried over MgSO4 and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (AcOEt/hexane). Crystallization from AcOEt/hexane gave the title compound (6.00 mg).

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS09029536B2
Quelldatensatzuspto-grants-2015_05
ORD IDord-860466cb5efe4e0b9b2a630d8f4ba9f7
Quellennotizuspto-grants-2015_05