Wanzlick die Bildung der Titelverbindung 3 durch Deprotonierung des Imidazoliumperchlorates 2 ยดClO ร 4 mit Kalium-tert-butylalkoholat voraus. Das Carben 3 wurde aber weder beobachtet noch isoliert, sondern in situ mit Wasser in Gegenwart von Luftsauerstoff umgewandelt; das als Sekundรคrprodukt ent-2
1,3,4,5-Tetraphenylimidazol-2-ylidene: The Realization of Wanzlick's Dream
โ Scribed by Anthony J. Arduengo III; Jens R. Goerlich; Roland Krafczyk; William J. Marshall
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 100 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0044-8249
No coin nor oath required. For personal study only.
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## 1997 triazole derivatives triazole derivatives R 0280 ## 12 -123 Chemical Reactions of the Stable Carbene 1,3,4-Triphenyl-4,5dihydro-1H-1,2,4-triazol-5-ylidene. -Insertion reactions to afford (IV), addition reactions to give (V) and (VII), cycloaddition reactions to yield (IX) and (XI), and r
## Abstract 2,3โDihydroโ1,3โdiisopropylโ4,5โdimethylimidazolโ2โylidene **1** (Carb, R^1^ = ^i^Pr, R^2^ = Me) reacts with TeI~4~ to give the carbene adduct CarbTeI~2~ (**3**). The crystal structure of **3** consists of Tโshaped monomeric fragments linked by weak Te. I interactions to form infinite h