Figure 2.

Selected building blocks used to synthesize hydrophobic MOFs. H₂PC (cyclopentiptycene dicarboxylic acid ligand),⁴⁰ H₄PC (cyclopentiptycene tetracarboxylic acid ligand),⁴⁶ H₈tdhb (3,3′,5,5′-tetrakis(3,5-dicarboxyphenyl)-2,2′,4,4′,6,6′-hexamethylbiphenyl,⁴³ OPE-C18 (dialkoxyoctadecyl-oligo-(p-phenyleneethynylene)dicarboxylate,⁴⁷ Tz (3,5-bis(trifluoromethyl)-1,2,4-triazolate),⁴⁸ H₂OFBPDC (2,2′,3,3′,5,5′,6,6′-octafluorobiphenyl-4,4′-dicarboxylic acid),⁴⁹ H₂TFNDC (1-(2,2,2-trifluoroacetamido)-naphthalene-3,7-dicarboxylic acid),⁵⁰ H₄BDO (2,5-bis(3,5-dicarboxylphenyl)-1,3,4-oxadiazole),⁵¹ and H₂TFPBA (4,4′-([3,5-bis(trifluoromethyl)phenyl]azanediyl)benzoic acid).⁵²