Abstract
A simple and efficient synthesis of tribenzohexadehydro[12]annulene and its derivatives
was carried out using coupling reaction of acetylenes with iodoarenes in the presence
of catalytic amounts of CuI and PPh3, together with three equivalents of K2CO3 in DMF. This synthetic procedure was applied to the synthesis of a large annulenoannulene
derivative.
Key words
annulenes - cross-coupling - cyclizations - macrocycles - oligomerization
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