HCID 20375942, compound → Tetracene-5,12-dicarbaldehyde

Participants

Reaction Steps

A solution of 5 g. of 13,14-dihydroxy-5,12-ethanobenz[b]anthracene in 110 ml. of glacial acetic acid is treated all at once with 15.4 g. of lead tetraacetate and stirred at 30°-40° C. for 3 hours. The formed purple solid is filtered, washed once with acetic acid, finally with water, dried and recrystallized from methylene chloride-methanol to give purple needles, m.p. 215°-217° C.

Provenance & Evidence