... THI LE LIEN METAL-ORGANIC FRAMEWORKS IRMOF-8, ZIF-9, MOF-199 AND IRMOF-3 AS CATALYSTS FOR THE FRIEDEL–CRAFTS ACYLATION, KNOEVENAGEL, AZA-MICHAEL AND PAAL-KNORR REACTIONS Major: ... crystals (25% based on benzimidazole) was collected as ZIF-9. - Deep purple crystals (88% based on 1,3,5-benzenetricarboxylic acid) was collected as MOF-199 - Pale yellow crystals (68% based on 2-amino-1,4-benzenedicarboxylic ... MOFs- IRMOF-8, ZIF-9, MOF-199, and IRMOF-3 have been synthesized by solvothermal methods. - Pale-yellow cubic-shaped crystals (71% based on 2,6-napthalenedicarboxylic acid) was collected as IRMOF-8....