Journal
MOLECULES
Volume 24, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/molecules24193480
Keywords
ligands; metal organic framework; Sonogashira reaction; Suzuki reaction; triazine
Funding
- Deutsche Forschungsgemeinschaft [Lu 378/24, SPP 1362]
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Hexacarboxylates are promising linkers for MOFs such as NU-109 or NU-110, which possess large values for surfaces and pore volumina. Starting from 2,4,6-tris(bromoaryl)-1,3,5-triazines, palladium-catalyzed cross coupling reactions (Suzuki-Miyaura, Sonogashira-Hagihara) form elongated hexacarboxylate linkers. Eight new 2,4,6-tris(biphenyl) and 2,4,6-tris(phenylethynylphenyl) 1,3,5-triazines have been prepared in quantities ranging from 40 mg to 1.1 g. In five cases, one of the arms of the linker carries an additional functionality (NO2 or OMe).
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