Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Julia Bąkowicz"'
Autor:
Maciej Dajek, Mikołaj J. Janicki, Paulina D. Kubiak, Julia Bąkowicz, Błażej Dziuk, Rafał Kowalczyk
Publikováno v:
Tetrahedron Chem, Vol 12, Iss , Pp 100092- (2024)
The use of thioesters as nucleophiles marks a considerable change in organic synthesis. This new method, propelled by gentle enolization with minimal catalyst loading, results in enantiomeric excesses surpassing 95 % under ambient conditions, accompl
Externí odkaz:
https://doaj.org/article/cb2756d86bd4409c9023dbdcbb230f42
Publikováno v:
Crystals, Vol 14, Iss 7, p 631 (2024)
Molecular structures of 5-chloro-7-azaindole-3-carbaldehyde (5Cl7AICA) and 4-chloro-7-azaindole-3-carbaldehyde (4Cl7AICA) were investigated using infrared and Raman spectroscopy supported by density functional theory (DFT) calculations. Theoretical s
Externí odkaz:
https://doaj.org/article/95adbd3832ba404a8ed3de4739fbc0da
Publikováno v:
Molecules, Vol 29, Iss 10, p 2201 (2024)
This study presents a new 5-methoxy-1H-indole-2-carboxylic acid (MI2CA) polymorph investigated by single-crystal X-ray diffraction, infrared spectroscopy, and density functional theory (ωB97X-D) calculations employing two basis sets (6-31++G(d,p) an
Externí odkaz:
https://doaj.org/article/daa7512a668e4cf0a51e24cd5cd77559
Autor:
Julia Bąkowicz, Ilona Turowska-Tyrk
Publikováno v:
Crystals, Vol 10, Iss 11, p 1031 (2020)
The results of the monitoring of the [4 + 4] photocycloaddition reaction path in single crystals of bi(anthracene-9,10-dimethylene) at high pressure are presented. The crystal structures for several steps of the phototransformation at 0.3 GPa and 1.0
Externí odkaz:
https://doaj.org/article/ee3115baabd349fea3c0a5fc08ee3d2f
Autor:
Krzysztof Konieczny, Arkadiusz Ciesielski, Julia Bąkowicz, Tomasz Galica, Ilona Turowska-Tyrk
Publikováno v:
Crystals, Vol 8, Iss 7, p 299 (2018)
We studied the photochemical reactivity of salts of 4-(2,4,6-triisopropylbenzoyl)benzoic acid with propane-1,2-diamine (1), methanamine (2), cyclohexanamine (3), and morpholine (4), for compounds (1), (3), and (4) at 0.1 MPa and for compounds (1) and
Externí odkaz:
https://doaj.org/article/2dd8879d3a3f43f8be27da239541204b
Autor:
Damian Paliwoda, Ilona Turowska-Tyrk, Krzysztof Konieczny, Julia Bąkowicz, Mark R. Warren, Michał K. Cyrański, Arkadiusz Ciesielski
Publikováno v:
Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 77:321-330
(S)-(−)-1-Phenylethanaminium 4-(2,4,6-triisopropylbenzoyl)benzoate (S-PEATPBB) undergoes a photochemical reaction in its crystalline form upon UV irradiation and forms three different products: the first product is the result of a Yang cyclization
Autor:
Julia Bąkowicz, Michał K. Cyrański, Arkadiusz Ciesielski, Anna Szczurek, Renata Siedlecka, Ilona Turowska-Tyrk, Krzysztof Konieczny
Publikováno v:
Crystal Growth & Design. 20:5061-5071
The kinetics of the photochemical Norrish-Yang reaction in single crystals was studied using the example of 1,3,5,7-tetraazatricyclo[3.3.1.13,7]decane 4-(2,4,6-triisopropylbenzoyl)benzoate by X-ray...
Autor:
Julia Bąkowicz, Ilona Turowska-Tyrk
Publikováno v:
Acta crystallographica Section B, Structural science, crystal engineering and materials. 78(Pt 2)
The influence of pressure on the course of [4+4] photodimerization in crystals of 9-methylanthracene is presented. The studies were performed at 0.1 and 0.4 GPa. As a result of the reaction at high pressure, crystals of the pure product were obtained
Publikováno v:
Crystal Growth & Design. 18:1636-1644
The influence of the molecular environment and the intramolecular features on the [2 + 2] photodimerization of 2,5-difluorocinnamic acid (1) and 3,5-difluorocinnamic acid (2) in crystals were analyzed. The crystal structures of (1) were determined at
Publikováno v:
Crystal Growth & Design. 17:1347-1352
The path of the Norrish–Yang reaction of methylammonium 4-(2,4,6-triisopropylbenzoyl)benzoate was studied by means of X-ray structure analysis. The following parameters influenced by this photochemical reaction were monitored: (a) intramolecular di