3Choudary B M, Sridhar Ch, Sateesh M, et al. Microencapsulated bis- muth( Ⅲ ) triflate catalyst for organic transformations [ J ]. Journal of Molecular Catalysis A : Chemical,2004,212 (1/2) :237 - 243.
4Electro Chimie Soc D. Process of for preparing epsilon-caprolac- tone:FR,1385557[ P]. 1965 -01 - 15.
5Union Carbide Corporation. Epsilon-caprolactones and process for preparing the same:GB,841839[ P]. 1960 -07 -20.
6Daicel Chemical Industries Ltd. Process for producing epsilon-cap- rolactone : US,6936724 [ P ]. 2005 - 08 - 30.
8Ube Industries Ltd. Process for preparing ε-caprolactone: US, 5250707 [ P]. 1993 - 10 - 05.
9Cooper Union Research Foundation. Oxidation of aldehydes and ke- tones using alkali metal perborates : US,4988825 [ P]. 1991 - 01 - 29.
10Lambert A, Elings J A, Macquarrie D J, et al. The Baeyer-Villiger oxidation of ketones using HMS supported peroxycarboxylic acids I J ]- Synlett,2000, (7) : 1052 - 1054.
