Neue Wege zu Sulfoniumyliden des Cyclopentadiens
✍ Scribed by Klaus Hartke; Horst-Georg Zerbe
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 552 KB
- Volume
- 315
- Category
- Article
- ISSN
- 0365-6233
No coin nor oath required. For personal study only.
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## New Pathways to Precursors of Pentalene Pentalene dimers 2 and 3 are easily available in moderate yields by CuCI,-induced oxidative coupling of dilithium-pentalenediide (5) (Scheme f). On the other hand, NBS bromination of 1,5-dihydropentaIene (4) or of 1.2-dihydropentalene (8) gives unstable 1
## Abstract Thalliumsalze von monosubstituiertem Cyclopentadien wie **4** kondensieren mit den Azasulfoniumsalzen **1** oder **2** zu den Mono(sulfonio)cyclopentadieniden **5**; mit dem Thalliumsalz **6** des unsubstituierten Cyclopentadiens entstehen die Bis(sulfonio)cyclopentadienide **8a‐f** ode