1Abramovitch R A. Application of Microwave Energy in Organic Chemistry[J]. Org. Prep. Proced. Int. 1991, (23): 683-725.
2Feng J, Meng Q, et al. Condensation Reaction of Acyloins with Urea without Solvent under Microwave Irradiation [J]. Org. Prep. Proced. Int. 1997, (29): 687-689.
3Meng Q, Feng J, et al. Benzimidazolium Dichromate-A New Reagent for Selective oxidation under microwave Irradiation [J]. Synth. Commun. 1998, 28(6): 1097-1102.
4Ansell M F and Palmer M H. The Lactonisation of Olifinic Acids: The Use of Sulphuric and Trifluoroacetic acids [J]. J. Chem. Soc. 1963: 2640.
