Reaktion #414

Reaktionsgleichung

N#Cc1ccc(F)cc1Br

C1CNCCN1

→

N#Cc1ccc(F)cc1N1CCNC

Lösungsmittel

C1COCCO1

Reaktionsbedingungen

Vorschrift

Tris(dibenzylideneacetone)dipalladium (0) (57.2 mg, 0.06 mmol) and rac-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl (78 mg, 0.12 mmol) were added to a mixture of 2-bromo-4-fluorobenzonitrile (250 mg, 1.25 mmol), Cesium carbonate (611 mg, 1.87 mmol) and Piperazine (215 mg, 2.50 mmol) in dioxane (3 mL). Reaction vessel was placed in an oil bath at 90 °C 4pm. LCMS o/n shows several peaks. Larger peak corresponding to displacement of F by piperazine (MW266) than for desired product (205). Discarded

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