Research output: Contribution to journal › Article
Technetium and Rhenium Pentacarbonyl Complexes with C2 and C11 ω‑Isocyanocarboxylic Acid Esters. / Miroslavov, A.E.; Polotskii, Y.S.; Gurzhiy, V.V.; Ivanov, A.Y.; Lumpov, A.A.; Tyupina, M.Y.; Sidorenko, G.V.; Tolstoy, P.M.; Maltsev, D.A.; Suglobov, D.N.
In: Inorganic Chemistry, Vol. 53, No. 15, 2014, p. 7861-7869.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Technetium and Rhenium Pentacarbonyl Complexes with C2 and C11 ω‑Isocyanocarboxylic Acid Esters
AU - Miroslavov, A.E.
AU - Polotskii, Y.S.
AU - Gurzhiy, V.V.
AU - Ivanov, A.Y.
AU - Lumpov, A.A.
AU - Tyupina, M.Y.
AU - Sidorenko, G.V.
AU - Tolstoy, P.M.
AU - Maltsev, D.A.
AU - Suglobov, D.N.
PY - 2014
Y1 - 2014
N2 - Technetium(I) and rhenium(I) pentacarbonyl complexes with ethyl 2-isocyanoacetate and methyl 11-isocyanoundecanoate, [M(CO)(5)(CNCH2COOEt)]ClO4 (M = Tc (1) and Re (2)) and [M(CO)(5)(CN(CH2)(10)COOMe)]ClO4 (M = Tc (3) and Re (4)), were prepared and characterized by IR, H-1 NMR, and C-13{H-1} NMR spectroscopy. The crystal structures of 1 and 2 were determined using single-crystal X-ray diffraction. The kinetics of thermal decarbonylation of technetium complexes 1 and 3 in ethylene glycol was studied by IR spectroscopy. The rate constants and activation parameters of this reaction were determined and compared with those for [Tc(CO)(6)](+). It was found that rhenium complexes 2 and 4 were stable with respect to thermal decarbonylation. Histidine challenge reaction of complexes 1 and 2 in phosphate buffer was examined by IR spectroscopy. In the presence of histidine, the rhenium pentacarbonyl isocyanide complex partially decomposes to form an unidentified yellow precipitate. Technetium analogue 1 is more stable un
AB - Technetium(I) and rhenium(I) pentacarbonyl complexes with ethyl 2-isocyanoacetate and methyl 11-isocyanoundecanoate, [M(CO)(5)(CNCH2COOEt)]ClO4 (M = Tc (1) and Re (2)) and [M(CO)(5)(CN(CH2)(10)COOMe)]ClO4 (M = Tc (3) and Re (4)), were prepared and characterized by IR, H-1 NMR, and C-13{H-1} NMR spectroscopy. The crystal structures of 1 and 2 were determined using single-crystal X-ray diffraction. The kinetics of thermal decarbonylation of technetium complexes 1 and 3 in ethylene glycol was studied by IR spectroscopy. The rate constants and activation parameters of this reaction were determined and compared with those for [Tc(CO)(6)](+). It was found that rhenium complexes 2 and 4 were stable with respect to thermal decarbonylation. Histidine challenge reaction of complexes 1 and 2 in phosphate buffer was examined by IR spectroscopy. In the presence of histidine, the rhenium pentacarbonyl isocyanide complex partially decomposes to form an unidentified yellow precipitate. Technetium analogue 1 is more stable un
U2 - 10.1021/ic500327s
DO - 10.1021/ic500327s
M3 - Article
VL - 53
SP - 7861
EP - 7869
JO - Inorganic Chemistry
JF - Inorganic Chemistry
SN - 0020-1669
IS - 15
ER -
ID: 7011887