The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: cis-Cyclohexane-1,2-dicarboxylic acid( cas:610-09-3 ) is researched.Product Details of 610-09-3.Thuery, Pierre; Atoini, Youssef; Harrowfield, Jack published the article 《Counterion-Controlled Formation of an Octanuclear Uranyl Cage with cis-1,2-Cyclohexanedicarboxylate Ligands》 about this compound( cas:610-09-3 ) in Inorganic Chemistry. Keywords: uranyl cyclohexanedicarboxylate complex preparation luminescence; crystal structure uranyl cyclohexanedicarboxylate. Let’s learn more about this compound (cas:610-09-3).
Cis-1,2-Cyclohexanedicarboxylic acid (c-chdcH2) was reacted with uranyl nitrate under (solvo-)hydrothermal conditions in the presence of different possible counterions. Two neutral complexes of 1:1 stoichiometry were obtained, [UO2(c-chdc)(DMF)] (1) and [UO2(c-chdc)(H2O)] (2), which crystallize as two-dimensional coordination polymers and do not include the addnl. cations present in solution In contrast, the complex [NH4][PPh4][(UO2)8(c-chdc)9(H2O)6]•3H2O (3) crystallized in the presence of PPh4Br, ammonium cations being generated in situ from acetonitrile hydrolysis. This complex of 8:9 uranium:ligand stoichiometry contains an octanuclear anionic cage of D3 symmetry with a pseudo-cubic arrangement of uranium atoms. The ammonium cation is held within the cage through four hydrogen bonds with uranyl oxo groups directed inwards. This cage complex is luminescent, although with a low quantum yield of 0.06, indicating some potential as a photo-oxidant of included species.
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Reference:
Benzisoxazole – Wikipedia,
Benzisoxazole – an overview | ScienceDirect Topics