Abstract
The cyclic structure III is assigned to the C photochromic isomer of 1, 8′‐dimethylbianthrones on the basis of spectral and chemical evidence. Similar considerations indicate that this does not apply to the B photoisomers of bianthrones.
Original language | English |
---|---|
Pages (from-to) | 2102-2109 |
Number of pages | 8 |
Journal | Helvetica Chimica Acta |
Volume | 53 |
Issue number | 8 |
DOIs | |
State | Published - 1970 |
Externally published | Yes |