119) that, in the rearrangement of phenyl allyl ether, "a van der Waals' link is established between the unsaturated γ-carbon atom and the ortho position". Although, as the author hopes in his ...

positions S 4-4 as a promising candidate for isolating the inextricable C 2v-symmetric C 78 isomers. These findings underscored the power of symmetry reduction in enhancing molecular recognition.