Conrotatory is a synonym of antarafacial.

As adjectives the difference between antarafacial and conrotatory

is that antarafacial is of a chemical reaction, involving two simultaneous changes in bonding to opposite faces of a common centre (or related centres) of a molecular fragment while conrotatory is describing an electrocyclic reaction in which the substituents at the interacting termini of the conjugated system both rotate in the same sense.