More information: Shota Hamatani et al, Aza‐Diarylethenes Undergoing Both Photochemically and Thermally Reversible ...

who discussed orbital symmetry in the context of electrocyclic reactions[2]. Despite their significance, these contributions did not gain the recognition they deserved until after Woodward and ...

These rules apply, strictly speaking, to the stereospecificity of a particular reaction type, namely the electrocyclic ring-closing and ring-opening reactions of conjugated systems. Here ...