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Ruthenium(0) catalyzed diol-diene benzannulation to form substituted fluoranthenes.a
aYields are of material isolated by silica gel chromatography. dppp = bis-(diphenylphosphino)propane. dppPh = bis-(1,2-diphenylphosphino)benzene. b120 °C. cdppPh, 3,5-Me2BzOH was omitted.
