Reductive dimerization of phenyl isocyanate by divalent samarium complex: Synthesis and crystal structure of [(ArO)2(DME)Sm]2[μ-η4-(PhN)OCCO(NPh)] · 4THF (ArO = 2,6-di-tertbutyl-4-methylphenoxo)
Keywords: اکسامید; coupling reaction; samarium; oxamide; crystal structure;