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908.735  Articles
1 of 90.875 pages  |  10  records  |  more records»
This article is retracted, because it has been published in KOMUNIKA: Journal of Da'wah and Communication volume 11 number 2 of 2017. To read the full text of this article please visit http://ejournal.iainpurwokerto.ac.id/index.php/komunika/article/view /... see more

Using the PASS programme computer prediction of the biological activity of 1-Ar-4-R-[1,2,4]triazolo[4,3-a] quinazolin-5(4H)-ones has been performed; it has allowed to identify the types of the biological activity of the compounds studied and sor... see more

A suitable and effective scheme for the synthesis of 3,7-disubstituted [1,2,4]triazolo[4,3-a]pyrazin-8(7H)-ones has been suggested and tested. It can provide a wide chemical diversity of the final products containing practically any substituent in positio... see more

Aim. To develop the project of quality control methods for the leader compound among derivatives of [1,2,4]triazolo[4,3-a]quinazoline-5(4H)-ones, namely 4-benzyl-1-{4-[4-(4-methoxyphenyl)-piperazin-1-yl]-4-oxobutyl}-[1,2,4]triazolo[4,3-a]quinazolin-(4H)-o... see more

Condensation of bifunctional 1-aminoisoindole with bis-electrophilic methyl 4-chloro-3-oxobutanoate undergoes regioselectively to afford 2-(chloromethyl)-2-hydroxy-2,6-dihydro­pyrimido[2,1-a]isoindol-4(3H)-one. The structure of the reaction product was un... see more

There are many ways in which education 4.0 can continue to develop rapidly and coexist with the development of increasingly advanced technology to be able to bond with each other to be balanced, one of which is using blockchain technology which is integra... see more

Previously designated a comfortable and effective scheme of 3,7-disubstituted [1,2,4]triazolo[4,3-a]pyrazin-8(7H)-ones synthesis was spread to derivatives of ?-(7-aryl-8-oxo-7,8-dihydro[1,2,4]triazolo[4,3-a]pyrazin-3-yl) alkylcarboxylic acids. Our approac... see more

Five novel [1,2,4]triazolo[4,3-a]quinazolin-5(4H)-one derivatives containing an amide group connected to 1 position of triazoloquinazoline moiety via sulfur-carbon or carbon chain were synthesized. The structure was confirmed by elemental analysis and 1H ... see more

The study is devoted to the rational search of modern potential antimicrobial agents among of 4-thiazolidine(thi)ones. 5-R,R’-Enamin(thi)ones of thiazolidinone series have been tested for design and the initial screening of the antibacterial properties. T... see more

1 of 90.875 pages  |  10  records  |  more records»