Addition of sterically hindered organolithium compounds to meso-tetraphenylporphyrin

✍ Scribed by Bénédicte Krattinger; Henry J. Callot

• Book ID: 104258658
• Publisher: Elsevier Science
• Year: 1998
• Tongue: French
• Weight: 215 KB
• Volume: 39
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(97)10792-4

✦ Synopsis

Reaction of t-butyllithium with meso-tetraphenylporphyrin gives two di-tbutyl-dihydroporphyrins, the addition occuring at positions 2,3 or 5,10. 5,10-di-tbutyl-5, lO-dihydro-meso-tetraphenylporphyrin adopts a helicoidal structure as shown by its X-ray crystal structure.