Simple and productive routes to mono-, di-and triethynylazulenes are described. Azulenes ethynylated in the five-membered ring can be prepared on a multigram scale by Pd-catalyzed cross-coupling of iodo-or bromoazulenes with trimethylsilyl-acetylene and subsequent desilylation. 5,7-Diethynylazulene
✦ LIBER ✦
Syntheses and structures of decamethylbiferrocene mono- and di-cation triiodides
✍ Scribed by Marie-Hélène Delville; Françis Robert; Pierre Gouzerh; Jorge Linarès; Kamel Boukheddaden; François Varret; Didier Astruc
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 264 KB
- Volume
- 451
- Category
- Article
- ISSN
- 0022-328X
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