Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Uno Mäeorg"'
Autor:
Ago Rinken, Ular Allas, Vasili Hauryliuk, Ricardo Medina, Anastasia Selyutina, Lauri Toom, Andres Merits, Tanel Tenson, Niilo Kaldalu, Uno Mäeorg
Publikováno v:
Scientific Reports
2-Bromo-5-(2-bromo-2-nitrovinyl)furan (G1 or Furvina) is an antimicrobial with a direct reactivity against thiol groups. It is active against Gram-positive and Gram-negative bacteria, yeasts and filamentous fungi. By reacting with thiol groups it cau
Autor:
Aleksei Bredihhin, Uno Mäeorg
Publikováno v:
Tetrahedron. 64:6788-6793
A new and efficient strategy for the systematic synthesis of hydrazine derivatives is reported. It allows the synthesis of up to tetrasubstituted hydrazine derivatives with minimal number of steps using only one protecting group or without any of the
Publikováno v:
Tetrahedron. 60:8363-8373
Various hydrazine derivatives were studied with respect to arylation by triarylbismuthane and triarylbismuth diacetate reagents with emphasis on scope and limitations. Among these reagents, a few contained bulky substituents in their aromatic rings.
Publikováno v:
Acta Chemica Scandinavica. 53:1127-1133
Full details related to the preparation and application of two triprotected reagents, 1,2,2-Boc(3)-hydrazine (1) and 1,2-Boc(2)-2-Z-hydrazine (2), for stepwise synthesis of substituted hydrazines are presented. In the presence of base these compounds
Autor:
Uno Mäeorg, Olga Tsubrik
Publikováno v:
Organic Letters. 3:2297-2299
[structure: see text] A new reagent for the systematic synthesis of substituted hydrazines is reported. Unlike previously developed reagents, this one contains only two protecting groups, thus providing a faster approach to multisubstituted derivativ
Autor:
Uno Mäeorg, Ulf Ragnarsson
Publikováno v:
ChemInform. 29
A novel triprotected hydrazine reagent, 1,2-Boc2-2-Z-hydrazine (3),-has been made and investigated with respect to stepwise alkylation/acylation and intermediary deprotection in order to prepare multisubstituted hydrazine derivatives. Alkylation of 3
Autor:
Aleksei Bredihhin, Uno Mäeorg
Publikováno v:
Organic letters. 9(24)
Alkylation of hydrazine and its derivatives still remains a quite complicated task. The novel method utilizing the polyanion strategy is reported. Formation and use of trianion for alkylation of hydrazine derivatives is first reported. Described meth
Publikováno v:
ChemInform. 38
Formation and use of a nitrogen dianion for selective hydrazine alkylation is reported. The scope and limitations of a new method were demonstrated. The novel method provides fast and easy access to substituted hydrazines, which are widely used as dr
Autor:
Kristjan Saal, Margo Plaado, Ilmo Sildos, Jevgenia Koževnikova, Tanel Tätte, Ants Kurg, Ilmar Kink, Ants Lõhmus, Ago Rinken, Valter Kiisk, Uno Mäeorg
Publikováno v:
Scopus-Elsevier
Sol-gel derived silane hybrid films composing of (3-aminopropyl)trimethoxysilane–tetramethoxysilane (APTMS-TMOS) have been shown to have properties that make the films suitable for DNA microarray applications. The ability of the films to bind DNA w
Publikováno v:
Angewandte Chemie International Edition in English. 35:2626-2627