𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On the reaction of azulen-2-ylmethylene(triphenyl)phosphorane. Convenient preparation of azuleno[1,2-f ]- and azuleno[1,2-a]-azulenes and their properties

✍ Scribed by Takayasu, Tohru; Nitta, Makoto


Book ID
121499419
Publisher
Royal Society of Chemistry
Year
1997
Weight
127 KB
Volume
23
Category
Article
ISSN
1472-7781

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Dimethylsulfonio- and sulfo-de-hydrogena
✍ Hans Cerfontain; Ankie Koeberg-Telder; Emanuel Vogel; Oswald Wilmes πŸ“‚ Article πŸ“… 2010 πŸ› Elsevier Science 🌐 English βš– 323 KB

## Abstract Reaction of azuleno[2,1,8‐ija]azulene (isopyrene, 1) with SO~3~ in the presence of an excess of DMSO leads mainly to monoβ€β€œdimethylsulfonio‐de‐hydrogenation” with formation of 5‐(dimethylsulfonio)isopyrene, the amount of initial sulfonation being relatively small. Subsequently, the 5‐(d

The synthesis and properties of azuleno[
✍ Shigeyasu Kuroda; Sunao Maeda; Syuzi Hirooka; Masahiro Ogisu; Kazuo Yamazaki; Ic πŸ“‚ Article πŸ“… 1989 πŸ› Elsevier Science 🌐 French βš– 252 KB

The titled azuleno-annulenone was synthesized and in strong acid its protonated cationic species was generated, which is the first 18-pi electron diatropic condensed bridged annulene as shown in its 'H-NMR spectrum. Although the syntheses and properties of the condensed 18-pi electron systems such