3,8-Methanoazaannulene (Homoisoquinoline) (pages 592–594)
Dr. Werner Tückmantel, Gertraud Andree, Andreas Seidel, Dr. Hans Schmickler, Dr. Johann Lex, Dr. Elfi Kraka, Michael Haug, Prof. Dr. Dieter Cremer and Prof. Dr. Emanuel Vogel
Version of Record online: 22 DEC 2003 | DOI: 10.1002/anie.198505921
The second aza-analogue of 1,6-methanoannulene, the “homoisoquinoline” 2, has been synthesized in a multistep reaction via 3. Unlike 1, 2 rapidly polymerizes, even in absence of air. According to its spectra and an X-ray structure analysis (of a derivative) 2 is an aromatic compound.