The Irreversible Photochemistry of Bianthrone

R. Korenstein*, K. A. Muszkat, E. Fischer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


A 4a,4b‐dihydrophenanthrene‐type cyclic photoisomer, the C isomer, is the major primary photoproduct of bianthrone in protic and aprotic polar solvents, and undergoes solvent‐dependent secondary reactions, including the formation of dihydrohelianthrone in protic solvents. The C isomer was shown to be formed through the singlet excited state while the B isomer is formed via the triplet manifold.

Original languageEnglish
Pages (from-to)1826-1831
Number of pages6
JournalHelvetica Chimica Acta
Issue number5
StatePublished - 14 Jul 1976
Externally publishedYes


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