Abstract
(figure presented) Two ammonium ion/crown ether-based [2]rotaxane monomers - each incorporating (i) a dumbbell-shaped component, possessing an exchangeable benzylic triphenylphosphonium stopper, and (ii) a ring component, bearing an aldehyde function - undergo a sequence of Wittig reactions in which the surrogate triphenylphosphonium stopper is exchanged for a ring component either (i) in the same rotaxane molecule to give cyclic daisy chains by an intramolecular, chain-terminating reaction or (ii) in another rotaxane molecule to give acyclic daisy chains by an intermolecular chain-propagating reaction.
| Original language | English |
|---|---|
| Pages (from-to) | 759-762 |
| Number of pages | 4 |
| Journal | Organic Letters |
| Volume | 2 |
| Issue number | 6 |
| Publication status | Published - 2000 Mar 23 |
| Externally published | Yes |
ASJC Scopus subject areas
- Molecular Medicine