Abstract
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 language | English |
|---|---|
| Pages (from-to) | 1826-1831 |
| Number of pages | 6 |
| Journal | Helvetica Chimica Acta |
| Volume | 59 |
| Issue number | 5 |
| DOIs | |
| State | Published - 14 Jul 1976 |
| Externally published | Yes |
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