9,9-bis(perfluroralkyl)xanthene, 9-aryl-9-perfluroralkylxanthene

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...


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528176, 528183, 528185, 528188, 528190, 528191, C07D31182, C08G 6302




Disclosed are rigid fluorinated monomers, their preparation, and polymers derived therefrom based on two novel tricyclic xanthene core systems, 9,9-bis(perfluoroalkyl)xanthene (I) and 9-phenyl-9-perfluoroalkylxanthene (II). The monomers have utility in the preparation of advanced high-performance polymers, particularly polyimides.

patent: 4698295 (1987-10-01), Pfeifer et al.


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