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Pi-conjugated compound having cardo structure, process for preparing same and use of same
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Page/Page column 14, (2008/06/13)
A π-conjugated compound having a cardo structure of formula (1): where R1 and R2 are hydrogen, alkyl, alkoxy, phenyl, naphthyl, phenoxy or halogen; Ar1 is a group of formula (2) or (3): where R3 thru R6 are hydrogen, alkyl, alkoxy, aryl, hetero-aryl, aryloxy or a halogen, and l and m are 0-3, and n is 0-2; and Ar2 is aryl or hetero aryl. The π-conjugated compound has good stability and is used as light emitting material.
