Zobrazeno 1 - 10 of 19 pro vyhledávání: '"Andrzej K, Gzella"'
1
Akademický článek
3-Phenylpropanal and citral in the multicomponent synthesis of novel thiopyrano[2,3-d]thiazoles
Autor: Andrii Lozynskyi, Andriy Karkhut, Svyatoslav Polovkovych, Olexandr Karpenko, Serhii Holota, Andrzej K. Gzella, Roman Lesyk
Publikováno v: Results in Chemistry, Vol 4, Iss , Pp 100464- (2022)
A 3-phenylpropanal and citral were studied in the multicomponent reaction with the isorhodanine and maleimides (EDDA catalyst) with the aim of the novel thiopyrano[2,3-d]thiazoles synthesis. 3-Phenylpropanal reacts with the selective formation of the
Externí odkaz: https://doaj.org/article/7c359b7dc23f4c76970fe2555ff07b91
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2
Proton tautomerism in 5-dimethylaminomethylidene-4-(o-,m-,p-hydroxyphenyl)amino-1,3-thiazol-2(5H)-ones: synthesis, crystal structure and spectroscopic studies
Autor: Andrii Pyrih, Andrzej Łapiński, Sylwia Zięba, Adam Mizera, Roman Lesyk, Mariusz Jaskolski, Andrzej K. Gzella
Publikováno v: Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 79:220-232
Three new 5-dimethylaminomethylidene-4-phenylamino-1,3-thiazol-2(5H)-ones with an hydroxyl group in the ortho, meta and para positions on the phenyl ring were synthesized in order to deduce the structural changes occurring on prototropic tautomerism
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9b86ab8f5b3a5f68c49f0164866ddf5
https://doi.org/10.1107/s2052520623003852
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6
Akademický článek
1-(1-Benzofuran-2-yl)ethanone O-(2,6-difluorobenzyl)oxime
Autor: Tomasz Kosmalski, Andrzej K. Gzella
Publikováno v: Acta Crystallographica Section E, Vol 70, Iss 1, Pp o91-o91 (2014)
In the title compound, C17H13F2NO2, the 2,2-difluorobenzyloxy residue assumes an E configuration with respect to the benzofuran system. The benzene ring makes a dihedral angle of 61.70 (4)° with the fused ring system (r.m.s. deviation = 0.008 Å). I
Externí odkaz: https://doaj.org/article/8b9b533c3efb488681240df359341fbd
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7
Akademický článek
2-{[5-(Pyridin-4-yl)-4-p-tolyl-4H-1,2,4-triazol-3-yl]methyl}acrylic acid hemihydrate
Autor: Renata Paprocka, Bożena Modzelewska-Banachiewicz, Andrzej K. Gzella
Publikováno v: Acta Crystallographica Section E, Vol 70, Iss 1, Pp o95-o96 (2014)
The asymmetric unit of the title compound, 2C18H16N4O2·H2O, consists of two organic molecules and one solvent molecule. The symmetry-independent organic molecules have slightly different conformations: the 1,2,4-triazole ring forms dihedral angles o
Externí odkaz: https://doaj.org/article/2e5be16284f54624819bff3d98499816
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9
Akademický článek
2-[N-(4-Methoxyphenyl)acetamido]-1,3-thiazol-4-yl acetate
Autor: Andrzej K. Gzella, Roman Lesyk, Volodymyr Horishny
Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 3, Pp o391-o391 (2013)
The structural analysis of the title compound, C14H14N2O4S, particularly the presence of an acetyl group at the exocyclic N atom and the C(H)—C(O2CMe)—N acetoxy group in the thiazole ring, may indicate that one of the starting materials, i.e. 2-(
Externí odkaz: https://doaj.org/article/3629b1fa52534d378f16c62de80b4f1b
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10
Akademický článek
2-[N-(2,4-Dimethoxyphenyl)acetamido]-1,3-thiazol-4-yl acetate
Autor: Andrzej K. Gzella, Marcin Kowiel, Roman Lesyk, Volodymyr Horishny
Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 3, Pp o356-o357 (2013)
The title compound, C15H16N2O5S, is a product of the reaction of 2-(2,4-dimethoxyphenylamino)-1,3-thiazol-4(5H)-one with acetic anhydride. The presence of the acetyl and acetoxy groups in the molecule indicates that the starting thiazole exists as a
Externí odkaz: https://doaj.org/article/25948b3b3f2046e7a586304dd4352a32
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