title: Base-Promoted Oxidative Cycloaddition Reaction of [60]Fullerene with Ethyl Acetoacetate for C60 Bis-2',3'-dihydrofuran Derivatives: Effect of Bulky Addends.
abstract: The base-promoted oxidative cycloaddition reaction of [60]fullerene with ethyl acetoacetate was investigated. The reaction resulted in C60 bis-2',3'-dihydrofuran derivatives, but only with the trans-1, trans-2, trans-3, and e configurations rather than any cis or trans-4 structures, demonstrating a new regioselectivity resulting from steric influence on C60 bisaddition. In addition, distribution of the bisadducts was complicated by the unsymmetrical nature of the addends, where each individual configuration may consist of several regioisomers.
authors.affiliation: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 5625 Renmin Street, Changchun, Jilin 130022, China.|College of Chemistry and Chemical Engineering, Yantai University , 30 Qingquan Road, Yantai, Shandong 264005, China.
authors.forename: Si
authors.initials: S
authors.lastname: Chen
authors.affiliation: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 5625 Renmin Street, Changchun, Jilin 130022, China.
authors.forename: Zong-Jun
authors.initials: ZJ
authors.lastname: Li
authors.affiliation: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 5625 Renmin Street, Changchun, Jilin 130022, China.
authors.forename: Xiang
authors.initials: X
authors.lastname: Gao