Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Yakov A. Levin"'
Autor:
Vakhid A. Mamedov, Yakov A. Levin, Evgeniya K. Trutneva, Aidar T. Gubaidullin, Il’dar Kh. Rizvanov, Elina Ya. Levina, Igor A. Litvinov, Yuriy Ya. Efremov
Publikováno v:
ARKIVOC, Vol 2004, Iss 12, Pp 47-69 (2005)
Externí odkaz:
https://doaj.org/article/40e1ba571224475d98c411e925fc140f
Publikováno v:
Lecture Notes in Computer Science ISBN: 9783319463001
NEW2AN
NEW2AN
On the basis of diffraction problem known solutions on a wedge in the case of harmonic effects using frequency method was analyzed the UWB pulse scattering on the impedance wedge. The features of the diffraction different kinds of pulses were reveale
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::983a15dee0ba0b50c5a68530c0aa5245
https://doi.org/10.1007/978-3-319-46301-8_50
https://doi.org/10.1007/978-3-319-46301-8_50
Publikováno v:
Synthesis. 44:3512-3522
An efficient three-step synthesis of 5-substituted 2,3-dihydroimidazo[1,2- c ]quinazolines and imidazo[1,2- c ]quinazolines was elaborated. 2-(2-Aminophenyl)-4,5-dihydro-1 H -imidazole, prepared by phosphorus pentasulfide catalyzed condensation of 2-
Autor:
Yakov Iosifovich Levin
Publikováno v:
Nevrologiâ, Nejropsihiatriâ, Psihosomatika, Vol 2, Iss 3, Pp 87-90 (2010)
The paper describes the present view of the problem of insomnia and gives a classification of sleep disorders and basic methods for their drug and non-drug therapy. Emphasis is placed on the role of the objective sleep study - polysomnography. The us
Autor:
Igor A. Litvinov, Yakov A. Levin, Aidar T. Gubaidullin, Vakhid A. Mamedov, Evgeniya K. Trutneva, Il'dar Kh. Rizvanov, Yuriy Ya. Efremov, Elina Ya. Levina
Publikováno v:
ARKIVOC, Vol 2004, Iss 12, Pp 47-69 (2005)
The methods of preparation of functionalized 4-methyl-5-phenylthiazoles (4), (5), (6), (7), (8) and 1,3-bis(4'-methyl-5'-phenylthiazol-2'-yl)benzenes (10), (12), (13), (14), (15) and 1 5 ,3 5 ,8 5 ,10 5 -tetraphenyl-5,6,12,13-tetrathia-1,3,10(2,4),8(
Publikováno v:
Russian Chemical Reviews. 67:1061-1071
The main results concerning the immobilisation of hydroxyl-containing stationary phases in capillary gas chromatography are surveyed and treated systematically. Attention is concentrated on the influence of the chemical reactions occurring during imm
Publikováno v:
ChemInform. 44
A practical synthesis of the title system (V), which includes 2 biologically important heterocyclic moieties, is developed.
Publikováno v:
Bioorganicmedicinal chemistry letters. 23(8)
A set of racemic N-phenyl-substituted β-amidoamidines hydrochlorides 4, which are structurally related to natural antiviral agent amidinomycin (1), was synthesized in four steps starting from methacryloyl anilide (5). In the final step of the synthe
Autor:
Yakov A. Levin, Vakhid A. Mamedov, Lucia Kh. Gazizova, Sadao Tsuboi, Aidar T. Gubaidullin, Igor A. Litvinov, I. Z. Nurkhametova
Publikováno v:
Chemistry Letters. 27:243-244
The reaction of ortho-di (2) and monochloroacetoxybenzaldehyde (1) withtBuOK and/or NaN(SiMe3)2 under Darzens conden-sation conditions leads to 2,2-dichloro-3-(2-hydroxyphenyl)-3-(2-formylphenoxy) propionic acid (3) and 3-chlorocoumarin (8) depending
Autor:
V. V. Zverev, Yakov A. Levin
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 147:465-465
As part of our studies of the extremely high sensitivity to substitutients A,B,R, temperature and solvents of phosphorus hyperfine splitting in ESR spectra of β-phosphone nitroxyl radicals ABP(O)CR2N(I)Bu1, we have studied them theoretically. The co