Preparation and crystal structure of a new tetracoordinated cyclic selenurane with two unsymmetrical apical ligands of oxygen and selenium: transannular hypercoordination between oxy- and diseleno-groups
Preparation and crystal structure of a new tetracoordinated cyclic selenurane with two unsymmetrical apical ligands of oxygen and selenium: transannular hypercoordination between oxy- and diseleno-groups