반응 #414

ord-91c1aa5c02fc46a586e9f5a373b7526a

반응 방정식

N#Cc1ccc(F)cc1Br
N#Cc1ccc(F)cc1Br
C1CNCCN1
C1CNCCN1
N#Cc1ccc(F)cc1N1CCNCC1
N#Cc1ccc(F)cc1N1CCNC

용매

반응 조건

온도
90°CELSIUS

실험 절차

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

출처

750 AstraZeneca ELN dataset