56563-02-1Relevant articles and documents
7-OXO -6-(SULFOOXY)- 1,6-DIAZABICYCLO [3.2.1] OCTANE CONTAINING COMPOUNDS AND THEIR USE IN TREATMENT OF BACTERIAL INFECTIONS
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Page/Page column 26, (2017/06/19)
Compounds of Formula (I) or a stereoisomer or a pharmaceutically acceptable salt thereof, their preparation, and use in treating a bacterial infection are disclosed.
Synthesis, experimental and theoretical study on the structure of some semicarbazides with potential antibacterial activity
Pitucha, Monika,Karczmarzyk, Zbigniew,Kosikowska, Urszula,Malm, Anna
scheme or table, p. 505 - 511 (2011/06/28)
A series of 1,4-disubstituted semicarbazide and 4,4'-bis[1-substituted semicarbazide]diphenyl-methane derivatives were synthesized to explore their antibacterial activity. New compounds were characterized by elemental analysis and spectroscopic data. In order to find the tautomeric equilibrium for the molecules energy calculations for each possible tautomeric form of model compound 2, and for the most antibacterially active compound 7 in the investigated series, were calculated for the gas phase at the RHF/SCF/6-31G** level of theory.
Synthesis and structure of mono- and disubstituted derivatives of 4,5-dihydro-1H-1,2,4-triazol-5-one
Pitucha,Dobosz,Stepniak,Dybala,Koziol
, p. 2103 - 2114 (2008/09/18)
In the reaction of hydrazide of 1,2,4-triazol-1-acetic acid with isocyanates the semi-carbazide derivatives were obtained (Ia-Ii). Depending on the chemical nature of the starting isocyanate, cyclization of Ia-Ii in alkaline medium led to formation of three groups of derivatives of 4,5-dihydro-1H-1,2,4- triazol-5-one (IIa-IIi). Alkyl and aryl substituents of semicarbazides formed 3,4-disubstituted compounds (IIa-IIf), the ethoxycarbonyl group promoted formation of 3-substituted compound IIg, while compounds IIh and IIi are 4-substituted triazol-5-ones resulting from benzoyl and benzenesulfonyl isocyanates. Molecular structures of three products (IIb, IIc, IId) were confirmed by the X-ray structure analysis. Different substituents at the N4 atom (ethyl in IIb, cyclohexyl in IIc and 1-naphthyl in IId) influence the molecular association pattern in the crystal structure.