147933-19-5Relevant academic research and scientific papers
Synthesis of Squaric Acid Derivatives by Lewis Acid-catalysed Reaction of its Dichloride, Methyl Ester Chloride, Diethylamide Chloride, and Ethyl Diester with Unsaturated Organosilanes: New Method for C-C Bond Formation on Cyclobutenedione
Ohno, Masatomi,Yamamoto, Yoshihiko,Shirasaki, Yuhichi,Eguchi, Shoji
, p. 263 - 272 (2007/10/02)
The squaric acid family of derivatives, e.g. dichloride 2, methyl ester chloride 3, diethyl amide chloride 4, and ethyl diester 5, reacted with a variety of unsaturated organosilanes 6 in the presence of a catalyst, typically titanium tetrachloride, at -7
