Ionic Liquids as Doping Agents in Microwave Assisted Reactions

Abstract

A review. In view of the good relation between microwave irradn. (MW) and ionic liq. (IL), the following topics were discussed in this chapter: (a) behavior of the solvents under MW environment with emphasis in the heating effects of adding a small quantity of ILs in solvents with different loss tangent, such as DMF, MeCN, hexane, toluene, THF; (b) ILs as doping agents in MW-assisted reactions esp. in N-alkylation reaction of pyrazole with alkyl halides, and (c) an important limitation in the use of ILs as a doping agent is the chance of IL decompn. at temps. higher than its thermal stability. The examples of ILs as doping agents reviewed in this chapter showed that their applications were little explored. [on SciFinder(R)]