Effect of terminal fluorine substitution on the Cope rearrangement: boat versus chair transition state. Evidence for a very significant fluorine steric effect
Photochemical electrocyclization of perfluoro-E,Z,E-4,5-dimethyl-2,4,6-octatriene
摘要:
Photolysis of the title compound leads to a clean 6-pi conrotatory electrocyclic reaction followed by a less-efficient 4-pi disrotatory electrocyclic process.