Results 1 to 10 of about 165,523 (233)
Chlorophenols in organic synthesis [PDF]
This article reviews the alternatives for modifications of p-chlorophenols, p-chloroanisoles with the formation of C-C, C-N, C-S and C-B bonds. It is worth noting the high fundamental as well as practical importance of these reactions due to the ...
V. V. Mitin +3 more
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Here, we investigate how global conservation policy and local norms interact to affect the management of a threatened migratory species, which is particularly important for the protection and sustainable management of wildlife that crosses international borders where local contexts may differ.
Isabel L. Jones +10 more
wiley +1 more source
Низкотемпературный синтез магний-алюминиевой шпинели [PDF]
Проведен низкотемпературный синтез магний-алюминиевой шпинели методом термического разложения совместно осажденных гидрооксидов. Получен высокодисперсный материал магний-алюминиевой шпинели со средним размером областей когерентного рассеяния 4…5 нм ...
Ледовская, E.Г. +7 more
core +4 more sources
It was shown that the reaction of 1,2,3-4-methoxybenzaldehyde tiadiazolyl hydrazona and α-bromo-4-methoxyacetophenone in the presence of triethylamine allowes 5-(4-methoxybenzoyl)-6-(4-methoxyphenyl)-6,7-dihydro-5H-[1,2,3]triazolo[5,1-b][1,3,4 ...
T. A. Kalinina +5 more
doaj +1 more source
The synthesis and alkylation of p-tetrakischloro-calix[4]arene
This work is devoted to the development of a chlorination of a calixarenes and a testing of the methods for their preparation to investigate the biological activity of the obtained compounds.
E. A. Ivanova +2 more
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Reaction of 4-acetyl-1,2,3-triazol-5-olate with hydrazine derivatives
1,2,3-triazole attracts attention because of the ability opening ring to form α-diazoimin and intramolecular rearrangements with the formation of various heterocyclic systems.
I. S. Khazhieva +2 more
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It is shown that thioacetamide are comfortable synthetic blocks for various heterocycles, including thiazole containing a double exocyclic bonds.
K. L. Obydennov +2 more
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A generalized theoretical model of school media education of perestroika period in Soviet Russia was synthesized and schematically presented. Its purpose is aesthetic education, formation of emotional sphere of pupils’ world outlook by means of media ...
Елена Мурюкина
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The tert-amino effect cyclizations are an efficient and convenient route to synthetically as well as biologically important ring-fused tetrahydroquinolines. The method is operationally simple and highly diastereoselective.
A. A. Poluikova +3 more
doaj +1 more source
Методика обгрунтування структури експертно-навчальної системи військового призначення
Сучасні темпи розвитку інформаційних технологій створили передумови для появи широкого спектру інструментів надання освітніх послуг із використанням технологій дистанційного навчання.
Spartak Нohonіants , Evgeny Rudenko
doaj +1 more source

