Marie Bachrata

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RM values and the increments delta RM(CH2) have been calculated from the chromatographic values RF of a group of anaesthetics comprising an homologous series of basic esters of substituted carbanilic acids. A linear relationship is demonstrated between RM values from partition chromatography and the partition coefficient (log P) or the substitution constant(More)
"Substance H + B", N-[2-(2-heptyloxyphenylcarbamoyloxy)-ethyl]-N- benzylpiperidine chloride (1) is a new potential antiarrhythmic, prepared by quarternization of the local anesthetic, antiarrhythmic and antimicrobial heptacaine, N-[2-(2-heptyloxyphenylcarbamoyloxy)-ethyl]-piperidine chloride. The content of the work was a study of the stability of 1 based(More)
The present paper has been focussed on the study of quantitative relations between structure, physico-chemical properties and biological activity in the series of substances with potential local anaesthetic and beta-adrenolytic effectiveness from the group of phenylcarbamic acid derivatives. The study of the above-mentioned relations and their(More)
5'-Chloro-5'-deoxy arabinosylcytosine (Cl-araC) is a more lipophilic analog of the clinically used drug--arabinosylcytosine (araC). The resistance toward the enzyme cytidine-deaminase action was described as an characteristic feature of this synthetic nucleoside. The kinetics of the Cl-araC transformation in acid and alkaline solutions was studied at(More)
The possibility and conditions of determination of weak acid type medicaments were examined, using aqueous and non-aqueous sodium borohydride volumetric solutions. The process and control of titration were carried out potentiometrically and visually using acido-basic indicators. It was shown that for practical applications sodium borohydride aqueous(More)