Zobrazeno 1 - 10
of 129
pro vyhledávání: '"Sergey S. Karlov"'
Autor:
Badma N. Mankaev, Sergey S. Karlov
Publikováno v:
Materials, Vol 16, Iss 20, p 6682 (2023)
This review describes recent advances in the synthesis of homopolymers of lactide and related cyclic esters via ring-opening polymerization (ROP) in the presence of metal complexes based on group 1, 2, 4, 12, 13 and 14 metals. Particular attention is
Externí odkaz:
https://doaj.org/article/d766732b7b79404d92bc5ff851a5a3d9
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 24, p 15649 (2022)
We report herein the synthesis and full characterizations of the first examples of gallium complexes based on “privileged” aminobisphenolate ligands which are easily available. These complexes turned out to be extremely active in the ring-opening
Externí odkaz:
https://doaj.org/article/fb50ff2aafe1416fa9cf837e55b3dd78
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 24, p 15523 (2022)
Density functional theory (DFT) simulations of ring-opening copolymerization of ε-caprolactone (CL) and L-lactide (LA) in presence of novel gallium complex on aminobis (phenolate) ligand are conducted. The initial steps of polymerization of CL and L
Externí odkaz:
https://doaj.org/article/3b38e3d1efa342adb4c3c6570c65b8ed
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp o953-o954 (2015)
The asymmetric unit in the structure of the title compound, C25H22NO2+·Br −·0.5CH2Cl2·0.5H2O, comprises two pseudosymmetry-related cations, two bromide anions, a dichloromethane molecule and a water molecule of solvation. The two independent cat
Externí odkaz:
https://doaj.org/article/b79fd32a3cea4b239f2b31dabfb3c908
Autor:
Ekaterina A. Kuchuk, Kirill V. Zaitsev, Sergey S. Karlov, Mikhail P. Egorov, Andrei V. Churakov
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp o1065-o1066 (2015)
The coordination polyhedron at the silicon atom in the title compound, C26H37Cl2NO2Si·0.25C7H8, is typical for pentacoordinated silicon derivatives and represents a slightly distorted trigonal bipyramid with an N atom and a Cl atom in the apical pos
Externí odkaz:
https://doaj.org/article/0e437d2d5d1a47aaa9ed831f2a950cbb
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp o1015-o1016 (2015)
In the title compound, Ph3Ge-SiMe2(t-Bu) or C24H30GeSi, the Si and Ge atoms both possess a tetrahedral coordination environment with C—E—C (E = Si, Ge) angles in the range 104.47 (5)–114.67 (5)°. The molecule adopts an eclipsed conformation, w
Externí odkaz:
https://doaj.org/article/f0204c670bdc44e68399fd7215cd8deb
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 12, Pp o1273-o1274 (2014)
The molecule of the title compound, C40H42Ge4, lies with its central Ge—Ge bond on an inversion centre giving rise to a zigzag backbone of four tetrahedrally coordinated Ge atoms. The symmetrically independent Ge—Ge bonds are slightly shorter tha
Externí odkaz:
https://doaj.org/article/73805438af1748babec55e4a7f0808fa
Autor:
Marina M. Kireenko, Kirill V. Zaitsev, Sergey S. Karlov, Mikhail P. Egorov, Andrei V. Churakov
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 11, Pp m378-m379 (2014)
The mixed-valence μ-oxide Sn12 cluster, decacarbonyltetra-μ4-oxido-hexa-μ3-oxido-tetrakis[μ-2,2′-(pyridine-2,6-diyl)bis(1,1-diphenylethanolato)]decatin(II)ditin(IV)dimolybdenum(O)(2 Mo—Sn) toluene heptasolvate, [Mo2Sn12(C33H27NO2)4O10(CO)10]
Externí odkaz:
https://doaj.org/article/db1a771eb9ca478f91a064528b991e22
Autor:
Andrei V. Churakov, Galina S. Zaitseva, Sergey S. Karlov, Ekaterina A. Kuchuk, Kirill V. Zaitsev
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 12, Pp m631-m632 (2013)
In the title compound, [Al(C16H14N2O2)(C3H7O)]·0.5CH2Cl2, the salen complex is monomeric and the dichlormethane solvent molecule lies on a crystallographic twofold axis. The central Al atom is fivefold coordinated and possesses a square-based pyrami
Externí odkaz:
https://doaj.org/article/d14e613660f846f3b833a9497640a273
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 12, Pp m635-m636 (2013)
In the title structure, [Ti2(C16H16N2O2)2O2]·2CHCl3, the Ti atom is coordinated in a distorted octahedral geometry by the O,N,N′,O′ donor set of the salalen ligand and by two μ2-oxide O atoms, which bridge two Ti(salalen) fragments into a centr
Externí odkaz:
https://doaj.org/article/317edc5022154858a6f4a768930eb86a