The [2.2]paracyclophane annelated cycloproparenes 2 and 3 were synthesized
by dehydrohalogenation of the adducts prepared by reacting 1-bromo-2-chloro
cyclopropene with 1-vinyl[2.2]paracyclophane-1-ene and 1,2-dimethylene[2.2]
paracyclophane, respectively. (C) 1999 Elsevier Science Ltd. All rights res
erved.