Abstract
1,3-dialkylated benzimidazolin-2-ylidenes are the keys to prove the 'Wanzlick equilibrium' between electron-rich tetraaminoethylenes and N-heterocyclic carbenes [Eq. (1)]. This equilibrium was recently discovered by two groups independently. Starting from dibenzotetraazafulvalenes, the equilibrium concentrations in the absence of electrophiles were quantified by NMR spectroscopy.
| Original language | English |
|---|---|
| Pages (from-to) | 4036-4038 |
| Number of pages | 3 |
| Journal | Angewandte Chemie International Edition in English |
| Volume | 39 |
| Issue number | 22 |
| DOIs | |
| State | Published - 17 Nov 2000 |
Keywords
- Asymmetric autocatalysis
- Chirality
- Homochirality
- Parity violation
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