Synthesis and fluorescence properties of α, α′-bis (substituted-benzylidene) cycloalkanones catalyzed by 1-methyl-3 (2-(sulfooxy) ethyl)-1 H-imidazol-3-ium chloride

Y Wan, XM Chen, LL Pang, R Ma, CH Yue…

Index: Wan, Yu; Chen, Xiu-Mei; Pang, Li-Ling; Ma, Rui; Yue, Cai-Hui; Yuan, Rui; Lin, Wei; Yin, Wei; Bo, Rong-Cheng; Wu, Hui Synthetic Communications, 2010 , vol. 40, # 15 p. 2320 - 2328

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Citation Number: 14

Abstract

α, α′-Bis (substituted-benzylidene) cycloalkanones were synthesized via a solvent-free cross-aldol condensation of aromatic aldehydes with cycloalkanones in the presence of a catalytic amount 1-methyl-3 (2-(sulfooxy) ethyl)-1 H-imidazol-3-ium chloride at room temperature with excellent yields. The screening for optical properties indicated that the size of cycloalkanone has an influence on the fluorescence emission of products. Products ...