were determined by X-ray crystallography. In the solid state, compounds ArF2Ch are self-associated via σ-(Ch)-hole interactions with F (or N for 8B) and also π–π stacking between the arenes. The σ/π-hole donor properties of ArF2Ch were evaluated by molecular electrostatic potential surface analysis using the density functional theory approach. The maximum Vs(σ-hole) values (from +25 to +38 kcal/mol)
全氟芳烃(全
氟吡啶、全
氟甲苯和
全氟联苯)通过开发的一锅法转化为双(
全氟芳基)查尔醇 Ar F 2 Ch(Ch = S 59–88%、Se 54–84%、Te 10–41%)方法。该方法包括生成 Na 2 Ch(通过 Na + [C 10 H 8 ] · –系统还原 Ch 原位形成),然后用任何一种
芳烃处理。(4-NC 5 F 4 ) 2 S ( 2 ), (C 12 F 9 ) 2 S ( 3 ) (p -CF 3 C 6 F 4 ) 2 Se ( 4 )、(C 12 F 9 ) 2 Se ( 6 A,B;两个多晶型物)、(C 12 F 9 ) 2 Te ( 9 ) 和 (4-NC 5 F 4 ) 2 Te ( 8 B;一种新型多晶型物) 通过X 射线晶体学测定。在固态下,化合物 Ar F 2 Ch 通过 σ-(Ch)-hole 相互作用与 F(或 N for 8 B)自缔合) 以及
芳烃之间的