Zobrazeno 1 - 10
of 549
pro vyhledávání: '"E E, Nifant'ev"'
Autor:
I. B. Goryunova, E. I. Goryunov, A. S. Parshakov, V. I. Privalov, E. E. Nifant'ev, E. G. Il’in
Publikováno v:
Russian Journal of Coordination Chemistry. 45:667-674
The complex formation of TiF4 with the phosphorylated ketone Ph2P(O)CH(Me)CH2C(O)Et (L), containing an asymmetric carbon atom in the aliphatic hydrocarbon group and representing a racemic mixture of enantiomers, was studied by 19F{1H} and 31P{1H} NMR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::740875b780ba938d693513d28b48fa4a
https://doi.org/10.1134/s1070328419090057
https://doi.org/10.1134/s1070328419090057
Publikováno v:
Russian Journal of Coordination Chemistry. 45:340-346
Some peculiarities of the effect of enantiomers of the monodentate ligand on the stereoisomerism of the mixed octahedral tetrafluoride complexes of d0-transition metals are established by the 19F{1Н} and 31Р{1Н} NMR methods for the complex formati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe5d31b0ae276c44f2f8552e592105ac
https://doi.org/10.1134/s1070328419030035
https://doi.org/10.1134/s1070328419030035
Publikováno v:
Doklady Physical Chemistry. 482:135-139
Effect of enantiomers of a monodentate ligand on the stereoisomerism of mixed octahedral cis-tetrafluoro complexes of d0 transition metals has been studied by 19F{1H} and 31P{1H} NMR by the example of TiF4 complexation in CH2Cl2 with Ph2P(O)CH2CH(OH)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17566d42c78fd4c51b92b1162e412af2
https://doi.org/10.1134/s0012501618110015
https://doi.org/10.1134/s0012501618110015
Publikováno v:
Russian Journal of Coordination Chemistry. 44:619-625
The compositions and structures of the products of the reaction of TaF5 with Ph2P(O)(CH2)2C(O)NМе2 (L) in СН3СN and СН2Сl2 are studied by the 19F and 31Р NMR methods. As the hydrocarbon bridge between the Р=О and С=О donor groups in carb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1acbbb32272244f5fe6bf230ed7742a8
https://doi.org/10.1134/s1070328418100068
https://doi.org/10.1134/s1070328418100068
Autor:
T. S. Kukhareva, S. E. Mosyurov, A. O. Pozdeev, E. E. Nifant'ev, M. P. Koroteev, A. M. Koroteev
Publikováno v:
Doklady Chemistry. 480:107-110
Reactions of catechin and dihydroquercetin flavonoids with amino acids containing primary amino groups have been conducted. Amino acids can be used in both electrophilic substitution (Mannich aminomethylation) and electrophilic substitution (acylatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e715ba40576d1f5003dfb04f0c7e51f8
https://doi.org/10.1134/s0012500818060034
https://doi.org/10.1134/s0012500818060034
Publikováno v:
Doklady Physical Chemistry. 479:52-56
The reaction of TiF4 with PhP(O)[CH2C(O)NMe2]2 in CH2Cl2 has been studied by 19F NMR spectroscopy. It has been found that the major reaction products are chelate tetrafluoro complex (η2-L)TiF4 where the ligand is coordinated to the titanium ion thro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2ff1585722867312fd370442fc6fb67
https://doi.org/10.1134/s0012501618030028
https://doi.org/10.1134/s0012501618030028
Autor:
E. E. Nifant'ev, A. A. Khodak, G. N. Molchanova, Valery K. Brel, I. Yu. Kudryavtsev, I. B. Goryunova, E. I. Goryunov, Tatyana V. Strelkova, T. V. Baulina
Publikováno v:
Doklady Chemistry. 472:21-24
The reaction of methyl- and phenyldichlorophosphonates with phenols in the presence of anhydrous magnesium chloride (catalyst) or magnesium metal (procatalyst) has been used as a simple, efficient, and industrially feasible method for the synthesis o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6005cf8f1e5e390b5512e707e1a5c2a
https://doi.org/10.1134/s001250081702001x
https://doi.org/10.1134/s001250081702001x
Autor:
A. S. Parshakov, V. G. Yarzhemskii, E. E. Nifant'ev, I. B. Goryunova, V. V. Danilov, E. I. Goryunov, E. G. Il’in
Publikováno v:
Doklady Chemistry. 471:314-320
The products resulting from the reaction of TiF4 with Ph2P(O)(CH2)2C(O)Me (L') in CH2Cl2 have been studied by 19F{1H} and 31P{1H} NMR spectroscopy. At a twofold excess of L', solution contains cis-TiF4(L')2 (>90%), trans-TiF4(L')2, and fac-[TiF3L3']+
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e79e5930622b3dd62f6637ea9d44520
https://doi.org/10.1134/s0012500816110045
https://doi.org/10.1134/s0012500816110045
Autor:
E. G. Il’in, G. V. Bodrin, A. S. Parshakov, G. G. Aleksandrov, V. G. Yarzhemskii, E. I. Goryunov, V. V. Danilov, E. E. Nifant'ev
Publikováno v:
Doklady Chemistry. 470:255-259
The crystal structure of TiF4[(Ph2P(O)CH2CH2C(O)NMe2)] chelate (I) was studied by X-ray crystallography, which revealed four crystallographically independent complex molecules of similar structure (1–4). It was found that the molecules are only sli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2609a66a70d77f5160bbbf3fa1bfbd95
https://doi.org/10.1134/s0012500816090068
https://doi.org/10.1134/s0012500816090068
Autor:
D. V. Argun, G. Z. Kaziev, M. P. Koroteev, T. S. Kukhareva, E. E. Nifant'ev, A. M. Koroteev, S. E. Mosyurov
Publikováno v:
Doklady Chemistry. 468:148-151
The reactivity of dihydroquercetin and catechol flavonoids in acylation, phosphorylation, and aminomethylation reactions was compared. The structure of natural polyatomic phenols was shown to affect markedly their chemical behavior.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::508229163ec7dcf6508f5005fbc73f75
https://doi.org/10.1134/s0012500816050013
https://doi.org/10.1134/s0012500816050013