Example 025 (4π disrotation)
Photochemical electrocyclic ring-opening of cyclobutene
![Photochemical electrocyclic ring-opening of cyclobutene](images_PR/E025_D.png)
×
MO Theory: R. B. Woodward and R. Hoffmann, Angew. Chem., Int. Ed., 1969, 8, 781–932
DOI: 10.1002/anie.196907811
MO Theory: R. B. Woodward and R. Hoffmann, Angew. Chem., Int. Ed., 1969, 8, 781–932
DOI: 10.1002/anie.196907811