Preparation and Characterization of a Novel Benzimidazolium Broensted Acid Ionic Liquid and Its Application in the Synthesis of Arylic Esters.
β Scribed by Yuan-Yuan Wang; Wei Li; Cheng-Di Xu; Li-Yi Dai
- Publisher
- John Wiley and Sons
- Year
- 2007
- Weight
- 27 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0931-7597
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## Abstract A novel chiral ionic liquid, compound **1**, based on camphorsulfonic acid, was prepared. A catalytic amount of **1** readily promotes Lβprolineβcatalyzed aldol reactions, with good chemoselectivity, both in H~2~O and in organic solvents. Further, the aldol reaction of cyclohexanone wit
## Abstract The solventβfree reaction of ionic liquid (I) with alkyl halides (II) leads to the mixed methylphosphonate esters (III), which are used for the synthesis of novel methylphosphonate ionic liquids such as (V) and (VII).