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The compounds diethyl-N-carbazolylmethylphosphonate 1 and diethyl-2-oxymethylphosphonate carbazole 2 have been synthesised and characterized by a range of techniques including NMR, absorption and emission spectroscopy, infrared, and mass spectroscopy. Compound 1 forms a 2:1 complex 3 with calcium nitrate and the single crystal X-ray diffraction structure of 3 is described. Titrations of 1 with Zn...
Hydrothermal reactions between the bisphosphonic acid 6-amino-1-hydroxy-1,1-hexylidenebisphosphonic acid and divalent hydrated metal nitrates of cobalt, nickel or zinc, in 1:0.75 molar ratio, afforded 1:2 mononuclear dichelate products Co 1, Ni 2 and Zn 3. Similar reactions using manganese or cadmium gave the 1:2 dinuclear products Mn 4 and Cd 5 with chelate bridging as well as chelate terminal bisphosphonate...
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