ChemInform Abstract: Atropisomerization in N‐Aryl‐2(1H)‐pyrimidin‐(thi)ones: A Ring‐Opening/Rotation/Ring‐Closure Process in Place of a Classical Rotation Around the Pivot Bond. Issue 22 (3rd June 2014) - Najahi, Ennaji; Vanthuyne, Nicolas; Nepveu, Francoise; Jean, Marion; Alkorta, Ibon; Elguero, Jose; Roussel, Christian