Three-Membered −SCoCH<sub>2</sub> Chelate Ring Complex Formed by Photodecarboxylation Reaction of Optically Active <i>trans</i>(<i>O</i>)-[Co(edtda)(en)]Cl (edtda = Ethylenedithiodiacetate)

Three-Membered −SCoCH<sub>2</sub> Chelate Ring Complex Formed by Photodecarboxylation Reaction of Optically Active <i>trans</i>(<i>O</i>)-[Co(edtda)(en)]Cl (edtda = Ethylenedithiodiacetate)