Synthesis and Solid-state Optical Properties of 2,3-Dialkyl- and 2,3,8,9-Tetraalkyltetracenes
                                
                                    
                                        作者:Chitoshi Kitamura、Takuya Ohara、Akio Yoneda、Takeshi Kawase、Takashi Kobayashi、Hiroyoshi Naito                                    
                                    
                                        DOI:10.1246/cl.2011.58
                                    
                                    
                                        日期:2011.1.5
                                    
                                    We prepared 2,3-dialkyl- and 2,3,8,9-tetraalkyltetracenes by way of Diels–Alder reactions between 1,4-anthraquinones and 3,4-dialkylthiophene-1,1-dioxides and obtained mainly orange and yellow solids, respectively. The differences in optical properties in the solid state were probably due to different intermolecular interactions.
                                    我们通过 1,4-anthraquinones 和 3,4-dialkylthiophene-1,1-dioxides 的 Diels-Alder 反应制备了 2,3-dialkyl- 和 2,3,8,9-tetraalkyltetracenes 并分别获得了橙色和黄色固体。固态光学性质的差异可能是由于分子间的相互作用不同造成的。