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The K-region phenanthrene oxide (68) undergoes photochemical ring-enlargement to (69) via the singlet excited state. A similar photochemical rearrangement for the K-region 3,4-epoxy-3,4-dihydropyrene was also reported. [Pg.12]

See other pages where Phenanthrene ring enlargement is mentioned: [Pg.374] [Pg.382] [Pg.374] [Pg.382] [Pg.2042] [Pg.713] [Pg.226] [Pg.780]

See also in sourсe #XX -- [ Pg.29 , Pg.374 ]