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Open-chain hemiketal is stabilized by coordination to a copper (II). / Melekhova, A.A.; Novikov, A.S.; Rostovskii, N.V.; Sakharov, P.A.; Panikorovskii, T.L.; Bokach, N.A.
In: Inorganic Chemistry Communications, Vol. 79, 2017, p. 82-85.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Open-chain hemiketal is stabilized by coordination to a copper (II)
AU - Melekhova, A.A.
AU - Novikov, A.S.
AU - Rostovskii, N.V.
AU - Sakharov, P.A.
AU - Panikorovskii, T.L.
AU - Bokach, N.A.
N1 - cited By 1
PY - 2017
Y1 - 2017
N2 - © 2017 Elsevier B.V.The hemiketal complex [Cu{NH2C(Me)2C(Ph)(OMe)O}2] (1) was generated by the reaction of [Cu(NCMe)4](BF4) and 4 equivs of 2,2-dimethyl-3-phenyl-2H-azirine in the presence of NCNMe2 in wet MeOH and isolated in 92% yield. In 1, the in situ formed hemiketal NH2C(Me)2C(Ph)(OMe)OH in its deprotonated form is stabilized due to chelation to copper(II). In the X-ray structure of 1[rad]4MeOH, the intermolecular hydrogen bonding was detected between O and N atoms of the organic ligand and the H–O group of solvated MeOH as well as between two molecules of the solvated MeOH. Three types of hydrogen bonds in the obtained structure were studied by the DFT calculations (M06/6-31 ++G** level of theory, MDF10 pseudopotentials on the Cu atoms) and topological analysis of the electron density distribution within the formalism of Bader's theory (QTAIM method). Estimated strength of these non-covalent interactions is 3–9 kcal/mol.
AB - © 2017 Elsevier B.V.The hemiketal complex [Cu{NH2C(Me)2C(Ph)(OMe)O}2] (1) was generated by the reaction of [Cu(NCMe)4](BF4) and 4 equivs of 2,2-dimethyl-3-phenyl-2H-azirine in the presence of NCNMe2 in wet MeOH and isolated in 92% yield. In 1, the in situ formed hemiketal NH2C(Me)2C(Ph)(OMe)OH in its deprotonated form is stabilized due to chelation to copper(II). In the X-ray structure of 1[rad]4MeOH, the intermolecular hydrogen bonding was detected between O and N atoms of the organic ligand and the H–O group of solvated MeOH as well as between two molecules of the solvated MeOH. Three types of hydrogen bonds in the obtained structure were studied by the DFT calculations (M06/6-31 ++G** level of theory, MDF10 pseudopotentials on the Cu atoms) and topological analysis of the electron density distribution within the formalism of Bader's theory (QTAIM method). Estimated strength of these non-covalent interactions is 3–9 kcal/mol.
U2 - 10.1016/j.inoche.2017.03.024
DO - 10.1016/j.inoche.2017.03.024
M3 - Article
VL - 79
SP - 82
EP - 85
JO - Inorganic Chemistry Communication
JF - Inorganic Chemistry Communication
SN - 1387-7003
ER -
ID: 7908227