Anionic eight-pi electrocyclization
= Anionic eight-pi electrocyclization
Ring closure of a seven-carbon conjugated anion with eight pi <electrons>; thermal orbital-symmetry selection favors disrotatory motion.
= Anionic eight-pi electrocyclization
Ring closure of a seven-carbon conjugated anion with eight pi <electrons>; thermal orbital-symmetry selection favors disrotatory motion.