80334-99-2Relevant articles and documents
PHOTOCHEMICAL STUDIES-XXI; DIMERS OF 3,4-(o,o'-BIPHENYLENE)CYCLOPENTADIENONES: THERMAL AND PHOTOCHEMICAL BEHAVIOUR
Fuchs, Benzion,Pasternak, Mordechai
, p. 2501 - 2508 (2007/10/02)
The 1,4-dimethyl-, 1,2,4-trimethyl and 1,2,4,7-tetramethyl substituted 3,4,-(o,o')-biphenylene) cyclopentadienone-dimers (6a-c) were prepared and found to undergo photochemically or thermally a 1,3-rearrangement to the centrosymmetrical diketones (11).Onl