A synthesis of dumbbell-shaped alkynyl-bridged diazulenyl compounds 8, 9 as well as the triazulenylbenzene derivative 12 starting from 1-ethynyl-3-(2,3,4,5-tetraphenylphenyl)azulene (5) is described. (C) 2002 Published by Elsevier Science Ltd.
A synthesis of dumbbell-shaped alkynyl-bridged diazulenyl compounds 8, 9 as well as the triazulenylbenzene derivative 12 starting from 1-ethynyl-3-(2,3,4,5-tetraphenylphenyl)azulene (5) is described. (C) 2002 Published by Elsevier Science Ltd.