“…a) Pd[(PPh 3 ) 4 ], CuI, Et 3 N, dry acetonitrile, 80 °C, 72 h. b) N ‐methyl‐2‐pyrrolidone (NMP), ultrasonic radiation for 6 h (200 W). c) 4‐Bromobenzenediazonium tetrafluoroborate, tetrabutylammonium hexafluorophosphate, acetonitrile, room temperature (RT), 3 h. d) 1,4‐Diethynyl benzene, 9,9‐bis(4‐diphenylaminophenyl)‐2,7‐dibromofluorene, Pd[(PPh 3 ) 4 ], CuI, Et 3 N, dry acetonitrile, 80 °C, 72 h. Reproduced with permission . Copyright 2018, John Wiley and Sons.…”