The first synthesis of carbon-stapled beta(3)-peptides is reported. The precursor beta(3)-peptides, with O-allyl beta-serines located in an i/i+3 relationship, were prepared on solid phase. We show that efficient ring-closing metathesis (RCM) of these new beta(3)-peptides proceeds smoothly either in solution or on an appropriate solid support. All products were generated with high selectivity for the E-isomer.
Summary. Tinea pedis is a common and frequently recurring dermatophytic infection, which is extremely difficult to eradicate. The often inevitable persistence of predisposing conditions, especially maceration, suggests that application of powders containing antifungal medication to the affected area could be effective in preventive therapy against recurrence. For this study we used one of the most recent azole antifungal agents, fenticonazole. Thirty patients affected with tinea pedis were cured with topical antifungal treatment; both the diagnosis and the cure were confirmed by microscopic and cultural mycological analyses. The results of subsequent double blind antifungal versus placebo treatment (controlled with clinical and mycological tests over a period of 4 months and with a final statistic evaluation) confirmed the effectiveness of such therapy in reducing the frequency of tiresome relapses in such patients.
Zusammenfassung. Tinea pedis ist eine ver‐breitete und oft rezidivierende Dermatophyten‐Infektion, die schwierig zu beseitigen ist. Die oft unvermeidbare Persistenz disponierender Faktoren, insbesondere Mazeration, legt die Vermutung nahe, daß die Anwendung antimyzetischer Puder am befallenen Bereich eine präventive Wirkung auf solche Rezidive haben könnte. In der vorliegenden Studie wurde Fenticonazol, eines der jüngst entwickelten Azol‐Antimykotika, eingesetzt. Dreißig Patienten mit Tinea pedis wurden mittels topischer antimykotischer Behandlung geheilt; Diagnose und Heilung wurden mikroskopisch und kulturell‐mykologisch abgesichert. Die Ergebnisse der anschließenden Doppelblindstudie: Fenticonazol gegen Plazebo, die klinisch und mykologisch über den Zeitraum von vier Monaten hinweg kontrolliert und statistisch ausgewertet wurden, belegen die Wirksam‐keit einer solchen Prophylaxe in der Reduktion der Häufigkeit der Rezidive an diesen Patienten.
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