Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Anna Katrusiak"'
Publikováno v:
IUCrJ, Vol 9, Iss 1, Pp 49-54 (2022)
Partial hydration of organic compounds can be achieved by high-pressure crystallization. This has been demonstrated for the high-nitrogen-content compound 6-chloro-1,2,3,4-tetrazolo[1,5-b]pyridazine (C4H2N5Cl), which becomes partly hydrated by isocho
Externí odkaz:
https://doaj.org/article/1b154cf72bb44a09b962044cfb4582cc
Autor:
Anna Katrusiak, Andrzej Katrusiak
Publikováno v:
ARKIVOC, Vol 2010, Iss 9, Pp 308-318 (2010)
Externí odkaz:
https://doaj.org/article/d9b6e7fe0aee45c69958b0306344e988
Publikováno v:
Crystal Growth & Design. 22:5996-6003
Publikováno v:
Crystal Growth & Design. 19:1832-1838
The compression of high-nitrogen-content compound 6-azido-1,2,3,4-tetrazolo[1,5-b]pyridazine, (C4H2N8), was studied in situ in a diamond-anvil cell by single-crystal X-ray diffraction. The compress...
Publikováno v:
Acta crystallographica Section B, Structural science, crystal engineering and materials. 76(Pt 6)
High-nitrogen-content compounds 6-azido-1,2,4-triazolo[4,3-b]pyridazine (C5H3N7) and its 3-methyl derivative (C6H5N7) have beenin situcrystallized in a diamond-anvil cell and their structures determined by single-crystal X-ray diffraction. Under ambi
Autor:
Andrzej Katrusiak, Anna Katrusiak
Publikováno v:
Journal of Molecular Structure. 1085:28-36
Hydroxypyridazinone and pyrroledione rings condensation in the reactions of hydrazine hydrate with citraconic, 2,3-dimethylmaleic, succinic and cis-cyclohexanedicarboxylic anhydrides have been conducted in the HCl aqueous solution. The pyridazine-rin
Publikováno v:
Journal of Molecular Structure. 998:84-90
Effects of methylation for intermolecular interactions and lipophilicity have been studied for a series of methylated 4,5-dihydro-6-hydroxypyridazine-3-carboxylic and 6-hydroxypyridazine-3-carboxylic acids (1 and 2). In solution they exist in equilib
Autor:
Andrzej Katrusiak, Anna Katrusiak
Publikováno v:
ARKIVOC, Vol 2010, Iss 9, Pp 308-318 (2010)
The synthesis of 6-chloro-3-chloromethyl-1,2,4-triazolo[4,3-b]pyridazine and its vicarious nucleophilic substitution products are described and characterized by spectroscopic methods and X-ray diffraction. The lipophilicities of the title compound, i
Publikováno v:
Journal of Molecular Structure. 751:65-73
Azido-tetrazolo tautomeric conversions have been investigated by NMR, X-ray and semiempirical calculations in a series of new 7(8)-methylated azolopyridazines. The transannular effects of the triazole- and tetrazole-ring fusion with pyridazine have b
Autor:
Anna Katrusiak, Andrzej Katrusiak
Publikováno v:
Journal of Pharmaceutical Sciences. 93:3066-3075