Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Agnieszka Lapczuk-Krygier"'
Autor:
Agnieszka Fryźlewicz, Aleksandra Olszewska, Karolina Zawadzińska, Przemysław Woliński, Karolina Kula, Agnieszka Kącka-Zych, Agnieszka Łapczuk-Krygier, Radomir Jasiński
Publikováno v:
Organics, Vol 3, Iss 1, Pp 59-76 (2022)
We investigated the reactivity of different substituted nitrylimine-type three atom components (TACs) in [3+2] cycloaddition (32CAs) reactions with electrophilically activated nitroethenes within molecular electron density theory (MEDT). In parallel
Externí odkaz:
https://doaj.org/article/906316ae24e64bcfb475ad4177bb0eb8
Publikováno v:
Current Chemistry Letters, Vol 8, Iss 1, Pp 13-38 (2019)
In this review we present recent progress in the cycloaddition reactions of conjugated nitroalkenes with alkenes, conjugated 1,3-dienes or three atoms components (eg. nitrones, azides, diazocompounds, azomethine imines and ylides).
Externí odkaz:
https://doaj.org/article/f79ac78cb0b84d2fb1c493c1b113a492
Publikováno v:
Current Chemistry Letters, Vol 7, Iss 1, Pp 27-34 (2018)
A molecular mechanism of the [3+2] cycloaddition has been explored using various DFT theoretical levels. It was found that the reaction proceeds via transition states with different synchronicity, but no intervention of the theoretical possible zwitt
Externí odkaz:
https://doaj.org/article/2bbf9e3c8c774ddbbdba59638da09090
Publikováno v:
Molecules, Vol 26, Iss 23, p 7282 (2021)
The structure of tetraphosphetane zirconium complex C52H100N8OP10Zr21 was determined by single crystal X-ray diffraction analysis. The crystal belongs to the monoclinic system, space group P21/c, with a = 19.6452(14), b = 17.8701(12), c = 20.7963(14)
Externí odkaz:
https://doaj.org/article/7aae05a8b01c42018bc0a50ed362c82d
Autor:
Karolina Kula, Agnieszka Kącka-Zych, Agnieszka Łapczuk-Krygier, Zbigniew Wzorek, Anna K. Nowak, Radomir Jasiński
Publikováno v:
Molecules, Vol 26, Iss 5, p 1364 (2021)
The present paper is a continuation of comprehensive study regarding to synthesis and properties of pyrazoles and their derivatives. In its framework an experimental and theoretical studies of thermal decomposition of the 3,3-diphenyl-4-(trichloromet
Externí odkaz:
https://doaj.org/article/2b50e9c0a2184f04b4dd6c189b51669e
Publikováno v:
Current Chemistry Letters, Vol 4, Iss 1, Pp 21-26 (2015)
The title compound - (Z)-1-bromo-1-nitro-2-phenylethene - was prepared by a three-step reaction. Its structure was con?rmed by spectral analysis as well as X-ray crystallography. It was found, that the compound crystallized in the orthorhombic system
Externí odkaz:
https://doaj.org/article/9c061beb1e994fbba7b80e617e633642
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 1, Pp m54-m54 (2011)
In the title compound, [Zr(C5H5)(C13H9)2Cl]·C7H8, the ZrIV atom is coordinated by a Cl atom, a cyclopentadienyl (Cp) ligand [Zr–centroid (Cp) = 2.199 (3) Å] and two fluorenyl ligands (Fl) [Zr–centroid (Fl) = 2.273 (2) Å and Zr—CH from fluore
Externí odkaz:
https://doaj.org/article/da7f791400c146c2975194a53bb18628
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 12, Pp o2427-o2427 (2008)
The title compound, C24H56N4P6 or (iPr2N)2P–P4–P(NiPr2)2, adopts a butterfly structure, with planar environments for the N atoms and pyramidal environments for the P atoms. The structure studied has a 15% twin component that is related by a twofo
Externí odkaz:
https://doaj.org/article/5f0f0959cf8446339b29b25050e1dc5f
Autor:
Konrad Rykala, Agata Maziarka, Agnieszka Lapczuk-Krygier, Artur Wnorowski, Anna Boguszewska-Czubara, Radomir Jasiński, Anna Hordyjewska, Anna Biernasiuk, Lukasz Popiolek
Publikováno v:
Journal of enzyme inhibition and medicinal chemistry. 31(6)
Drug resistance has become a major concern in the field of infection management, therefore searching for new antibacterial agents is getting more challenging. Our study presents an optimized and eco-friendly synthesis scheme for a panel of nitroalken