23353-88-0Relevant academic research and scientific papers
Synthesis of fluorene- and spirobifluorene-fused thiophenes
Yao, Wen,Liu, Qiancai,Shi, Yingbo,Tang, Jie
experimental part, p. 1077 - 1088 (2012/07/28)
A novel synthetic route to fluorene- and spirobifluorene-fused thiophenes is explored by starting with ninhydrin. The Diels-Alder cycloaddition was employed to construct the key intermediate, 2,3-bis(hydroxymethyl)-1,4-diphenyl- fluorenone, which was furt
