Synthesis of anthracene photodimer incorporating a tropylium ring and its facile retro[4+4] cleavage

✍ Scribed by Koichi Komatsu; Ryotaru Tsuji; Ken'ichi Takeuchi

• Publisher: Elsevier Science
• Year: 1989
• Tongue: French
• Weight: 253 KB
• Volume: 30
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(01)80775-9

✦ Synopsis

The title cation 6 has been prepared and exhibits an intramolecular charge-transfer band at X,,, 440 nm in CH2Cl2; 6 undergoes a facile retro [4+4] cleavage owing to weakening of the central c bonds due to 0-r orbital mixing.