4541-93-9Relevant articles and documents
A Rubrene Problem. Reaction of 3,3,4,4-Tetrabromo-1,2-bis(diphenylmethylene)cyclobutane and Dichloroacetic Acid
Toda, Fumio,Sasaoka, Michio,Todo, Yozo,Iida, Kunio,Hino, Toru,et al.
, p. 3314 - 3318 (2007/10/02)
Heating of 3,3,4,4-tetrabromo-1,2-bis(diphenylmethylene)cyclobutane in dichloroacetic acid afforded bridge-head olefin, 7-bromo-1,4,8-triphenyl-2,3-benzobicycloocta-2,4,7-trien-6-one, and spiroketone, 2-bromo-2',3-diphenylspiro1H-indene-1,1'(4'H)-