Toshihide Hasegawa |  Yasuhito Koyama... -  《Macromolecules》 - 2010,43(1) - 131～136 - 共6页

摘要：9,9-Diarylfluorene-based monomers capable of controlling the thermal properties of the corresponding polymers were synthesized. The monomers possess flexible alkylene chains linking 9,9-diarylfluorene...

关键词： monomers |  structure |  diamine

Yoshio Furusho |  Tomoya Oku... -  《Chemistry: A European journal》 - 2003,9(12) - 2895～2903 - 共9页

摘要：A dynamic covalent approach to disulfde-containing[2]- and [3]rotaxanes is described.Symmetrical dumbbell-shaped compounds with two secondary ammouium centers and a central located disulfied bond were...

关键词： crown compounds |  dynamic covalent bonds |  Roatoxanes |  sulfur |  suparmolecular chemistry

Yoshio Furusho |  Toshihide Hasegawa... -  《Chemistry Letters》 - 2000,0(1) - 18～19 - 共2页

摘要：Bifunctional secondary ammonium salt bearing disulfide linkage at the center and bulky group at the both termini was mixed with dibenzo-24-crown-8. During reversible cleavage of the disulfide linkage ...