Zobrazeno 1 - 10
of 5 706
pro vyhledávání: '"x-ray crystal structure"'
Publikováno v:
Molbank, Vol 2024, Iss 3, p M1880 (2024)
Bromination of the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical with bromine or N-bromo-succinimide (NBS) affords a complex mixture of bromo- and nitro-derivatives of the starting material. In this study, by chromatographic separation, most of t
Externí odkaz:
https://doaj.org/article/fcc4b31781424f8bba4d2bd006da09a7
Publikováno v:
Chemical Physics Impact, Vol 9, Iss , Pp 100685- (2024)
In the present work, a novel coordination polymer {[Cu(phen)(Tmdipy)(NO3)H2O](NO3) 2.5(H2O)}n (phen = 1,10-phenanthroline, Tmdipy = 4,4′- Trimethylenedipyridine), has been prepared and structurally determined by elemental analysis, IR, EPR, UV–vi
Externí odkaz:
https://doaj.org/article/6286c7b1c33648ed89750951e51f8e4c
Autor:
Emma H. Kelley, Jerzy Osipiuk, Malgorzata Korbas, Michael Endres, Alayna Bland, Victoria Ehrman, Andrzej Joachimiak, Kenneth W. Olsen, Daniel P. Becker
Publikováno v:
Frontiers in Chemistry, Vol 12 (2024)
Graphical Abstract
Externí odkaz:
https://doaj.org/article/4332ee2602114a82871428e47909b8bd
Autor:
Emma H. Kelley, Jerzy Osipiuk, Malgorzata Korbas, Michael Endres, Alayna Bland, Victoria Ehrman, Andrzej Joachimiak, Kenneth W. Olsen, Daniel P. Becker
Publikováno v:
Frontiers in Chemistry, Vol 12 (2024)
Bacteria are becoming increasingly resistant to antibiotics, therefore there is an urgent need for new classes of antibiotics to fight antibiotic resistance. Mammals do not express Nɑ -acetyl-L-ornithine deacetylase (ArgE), an enzyme that is critica
Externí odkaz:
https://doaj.org/article/575a57e75bbb448c80e3b4594ef63632
Autor:
Mehtab Parveen, Uzma, Mohammad Azam, Mohammad Azeem, Afroz Aslam, Masrat Bashir, Mahboob Alam
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 4, Pp 101881- (2024)
This method of sustainable synthesis utilizes a range of aromatic/heterocyclic aldehydes, phenylhydrazine, and ethyl acetoacetates. The TiO2 nanoparticle catalyst facilitates cyclization reactions, yielding pyrazolone derivatives with exceptional eff
Externí odkaz:
https://doaj.org/article/eaa70635592c4897a470ae798960adcd
Autor:
Danuta Mizgalska, Arturo Rodríguez-Banqueri, Florian Veillard, Mirosław Książęk, Theodoros Goulas, Tibisay Guevara, Ulrich Eckhard, Jan Potempa, F. Xavier Gomis-Rüth
Publikováno v:
Open Biology, Vol 14, Iss 6 (2024)
Gram-negative bacteria from the Bacteroidota phylum possess a type-IX secretion system (T9SS) for protein secretion, which requires cargoes to have a C-terminal domain (CTD). Structurally analysed CTDs are from Porphyromonas gingivalis proteins RgpB,
Externí odkaz:
https://doaj.org/article/ad1a5dec84394926a6901eee7856ddc6
Autor:
Marian Brenner, Christoph Zink, Linda Witzinger, Angelika Keller, Kerstin Hadamek, Sebastian Bothe, Martin Neuenschwander, Carmen Villmann, Jens Peter von Kries, Hermann Schindelin, Elisabeth Jeanclos, Antje Gohla
Publikováno v:
eLife, Vol 13 (2024)
Vitamin B6 deficiency has been linked to cognitive impairment in human brain disorders for decades. Still, the molecular mechanisms linking vitamin B6 to these pathologies remain poorly understood, and whether vitamin B6 supplementation improves cogn
Externí odkaz:
https://doaj.org/article/2acd61b1b59445af81ae1d6f654bae80
Autor:
Shanmugasundaram Akila, Thankakan Vidhyasagar, John Peter Winfred Jebaraj, Aravazhi Amalan Thiruvalluvar, Krishnan Rajeswari
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 12, Pp 1212-1217 (2023)
In the title compound, C19H20Cl2N2O, the seven-membered 1,4-diazepane ring adopts a chair conformation while the 4-chlorophenyl substituents adopt equatorial orientations. The chlorophenyl ring at position 7 is disordered over two positions [site occ
Externí odkaz:
https://doaj.org/article/1246aa69621c41e7b459df73e5f99472
Publikováno v:
Molbank, Vol 2024, Iss 1, p M1789 (2024)
The reaction of (E)-2-(4-fluorobenzylidene)-3,4-dihydronaphthalen-1(2H)-one and (2,4-dinitrophenyl)hydrazine in boiling ethanol containing hydrochloric acid (0.2 mL; 37%) for 1.5 h gave 1-(2,4-dinitrophenyl)-2-(2-(4-fluorobenzylidene)-3,4-dihydronaph
Externí odkaz:
https://doaj.org/article/aa118ed8939741d690eab0718fb40a51
Autor:
Shanmugasundaram Akila, Thankakan Vidhyasagar, Aravazhi Amalan Thiruvalluvar, Krishnan Rajeswari
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 10, Pp 967-971 (2023)
In the hydrated complex salt, [Ni(C9H14N2)2(H2O)2]Cl2·2H2O, the asymmetric unit comprises of half of the complex cation along with one chloride anion and one non-coordinating water molecule. The central nickel(II) atom is located on an inversion cen
Externí odkaz:
https://doaj.org/article/649f239f21954854878c390cac67fd8c