96964-87-3Relevant academic research and scientific papers
Synthesis of Dichlorocyclobutabenzofuran-2a-carboxylic Derivatives and 3-(Trichlorovinyl)coumarin through the Cross Photocycloadduct of Coumarin and Tetrachloroethylene
Yonezawa, Noriyuki,Nonoyama, Shinji,Saigo, Kazuhiko,Hasegawa, Masaki
, p. 3026 - 3028 (2007/10/02)
Treatment of the cross photocycloadduct of coumarin and tetrachloroethylene with nucleophiles gives dichlorocyclobutabenzofuran-2a-carboxylic derivatives in excellent yields via lactone-opening, cyclobutene formation and intramolecular SN2'
