Atropisomerism and axial chirality in heteroaromatic compounds Ibon Alkorta, Jose Elguero, Christian Roussel, Nicolas Vanthuyne, and Patrick Piras Anomeric Effect in Saturated Heterocyclic Ring Systems Eusebio Juaristi and Yamir Bandala Biginelli Condensation: Synthesis and Structure Diversification of 3,4-Dihydropyrimidin-2(1H)-one Derivatives Kawaljit Singh and Kamaljit Singh Recent advances in the C2 and C3 regioselective direct arylation of indoles Nathalie Lebrasseur and Igor Larrosa