March 2004 - 9 articles
The authors regret that the chemical structure of compound 2 was indicated incorrectly as catuabine C. [...]
The essential oil of the air-dried plant Biophytum sensitivum (L.) DC. (Oxalidaceae) from Southern lndia was investigated by gas chromatographic-spectroscopic (GC-FID and GC-MS) and olfactoric methods to identify compounds responsible for the charact...
A simple, rapid, sensitive and accurate method for the determination of aciclovir, cefepime HCI, etamsylate and metoclopramide HCI in pure form and in pharmaceutical formulations is developed.The method is based on the fomabon of tris(o-phenanthrolin...
Three simple, accurate, sensitive and selective procedures for the determination of ten fluoroquinolones (amifloxacin, ciprofloxacin hydrochloride, difloxacin hydrochloride, enoxacin, enrofloxacin, lomefloxacin hydrochloride, lovefloxacin, norfloxaci...
A series of 14 hydrochlorides of piperidinylethyl esters of orthosubstituted phenylcarbamic acids were evaluated for in vitro antimycobacterial activity against the strains of Mycobacterium tuberculosis, Mycobactenum kansasii and Mycobactenum avium....
3-Substituted-5-(4-pyridylcarboxamide)tetrahydro-2H-[1,3,5]thiadizine-2-thione derivatives (1-9) were synthesized as derivatives of isoniazid (INH) to overcome the resistance developed with its therapeutic use. The structures were confirmed by their...
Thirteen plant species which are claimed to have anti-diabetic activity (based on folk medicine and/or scientific reports) were tested for alpha amylase inhibitory activity. Two of the screened plants exhibited significant (more than 80%) alpha amyla...
Ausgehend vom entsprechenden Bromthiophenderivat und Acrylsäurederivat wurden die optimalen Bedingungen für eine Heck-Reaktion erarbeitet. Dabei wurde der Einfluss der Mengenverhältnisse der Reaktanden bzw. des Katalysators und Co-Katalysators sowie...
Kaliumhexacyanoferrat(lll) kuppelt 4-Aminoantipyrin (1) mit Salbutamol (2) oxidativ nach Emerson zu den roten E-/Z-isomeren 1,4-Benzochinon-4-iminen 7a und b. Die Desalkylierung des Salbutamols wird als Grob'sche Fragmentierung interpretiert.
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