168762-33-2Relevant academic research and scientific papers
A stabilized and persistent tetraketene: 1,4-bis(1',4'-dioxo-3'-trimethylsilyl-2'-buta-1',3'-dienyl)benzene
Liu, Ronghua,Tidwell, Thomas T.
, p. 1818 - 1822 (2007/10/03)
Reaction of 1,4-bis(trimethylsilylethynyl)benzene with CCl3COCl and Zn gave 1,4-bis(4',4'-dichloro-2'-trimethylsilyl-3'-oxo-1'-cyclobutenyl)benzene (7), which reacted with concentrated H2SO4 at 87 degC to give 1,4-bis(2'-trimethylsilyl-3',4'-dioxo-1'-cycl
