Microporous metal-organic frameworks for the removal of acetylene from ethylene

Abstract

What is claimed is: 1 . A metal-organic framework (MOF) comprising a repeat unit of the formula [ML], wherein L is a ligand of the formula: wherein: X is an arenetriyl (C≦12) , a heteroarenetriyl (C≦12) , or a substituted version of either of these groups; and M is a divalent transition metal cation. 2