Study of the substituted vinylallene-methylenecyclobutene electrocyclic equilibria. Comparison with the butadiene-cyclobutene and bisallene-bismethylenecyclobutene electrocyclic equilibria
Study of the substituted vinylallene-methylenecyclobutene electrocyclic equilibria. Comparison with the butadiene-cyclobutene and bisallene-bismethylenecyclobutene electrocyclic equilibria