Novel solvent-free reaction of C60 with active methylene compounds in the presence of Na2CO3 under high-speed vibration milling期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Novel solvent-free reaction of C₆₀ with active methylene compounds in the presence of Na₂CO₃ under high-speed vibration milling

Authors:	Guan-Wu Wang Ting-Hu ZhangYu-Jin Li Ping LuHuan Zhan You-Cheng Liu Yasujiro MurataKoichi Komatsu

Affiliation:	^a Department of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, PR China ^b Department of Chemistry, Lanzhou University, Lanzhou, Gansu 730000, PR China ^c Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan

Abstract:	Inorganic base, Na₂CO₃, was utilized to replace organic base, DBU, in the Bingel reaction employing diethyl bromomalonate under the mechanochemical ‘high-speed vibration milling’ conditions to give the cyclopropanated C₆₀1 in high yield. In contrast, reactions of C₆₀ with diethyl malonate and ethyl acetoacetate in the presence of Na₂CO₃ under HSVM conditions afforded 1,4-bisadduct 2 and dihydrofuran-fused C₆₀ derivative 3, respectively.

Keywords:	C₆₀ active methylene compounds Na₂CO₃ solvent-free high-speed vibration milling
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