152189-44-1Relevant academic research and scientific papers
Study of the reaction of bis- and tris-pyrylium and -thiopyrylium cations with methoxide ion. Electronic effects of the heterocyclic rings as substituents
Branchi, Barbara,Doddi, Giancarlo,Ercolani, Gianfranco
, p. 6422 - 6428 (2007/10/03)
The bis- and tris-pyrylium and thiopyrylium cations 1-4 were prepared in gram scale by heterocyclization of the corresponding bis- and tris-1,5-pentanediones 6 and 8. Their reaction with CD3ONa in CD 3OD was studied by 1H
Synthesis and Structure of a p-Terphenoquinone and Paramagnetic Species Derived Therefrom
Bolt, Peter,Bruhnke, Detlev,Gerson, Fabian,Scholz, Markus,Jones, Peter G.,Baer, Friedrich
, p. 1739 - 1751 (2007/10/02)
3,5,3",5"-Tetra(tert-butyl)-p-terphenoquinone (12b) was synthesized and characterized by its spectroscopic and X-ray structural data.The ground state of 12b is singlet with a strong contribution of a biradical structure.Paramagnetic derivatives of 12b, su
