Abstract
New 1,2,3-triazolium ionic liquid-supported chiral imidazolidinones were developed. The feasibility of the ionic liquid-supported imidazolidinones as chiral auxiliaries was demonstrated in sequential propionylation-alkylation-cleavage reactions, which provided the chiral product with good to excellent chemical yields (up to 90%) and high selectivities (up to 94% ee). The progress of the reactions could be monitored by TLC and NMR, and the ionic liquid-supported chiral auxiliaries could be recovered by simple extraction.
Original language | English |
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Article number | 3349 |
Journal | Molecules |
Volume | 24 |
Issue number | 18 |
DOIs | |
State | Published - 14 Sep 2019 |
Keywords
- 2
- 3-triazolium; chiral imidazolidinone; asymmetric alkylation; chiral auxiliaries
- Ionic liquid; 1