ChemInform Abstract: Syntheses and Properties of α-Alky1-Substituted Bisdehydroaza[14]-annulenes and the Related Benzannelated Derivatives.
Abstract
Oxime formation of (I) followed by Beckmann rearrangement yields the lactams (III), which are ethylated to give the azaannulenes (V).
ChemInform Abstract
Oxime formation of (I) followed by Beckmann rearrangement yields the lactams (III), which are ethylated to give the azaannulenes (V). The same reaction pathway leads to the compounds (VI) and (VII).