1,720,975 research outputs found
NATURAL COMPOUNDS AND THEIR ANALOGUES : SYNTHESIS AND EVALUATION OF ANTIFUNGAL ACTIVITY
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Sintesi e valutazione dell'attività antifungina di derivati degli acidi oleico e salicilico
No full textDomino addition/annulation of delta-alkynylaldehydes and oxygen nucleophiles: a new entry to [1,4]oxazino[4,3-a]indoles
No full textThe unusual [1,4]oxazino[4,3-a]indole nucleus was prepared, under mild reaction conditions, by reacting 1-alkynyl-1H-indole-2-carbaldehydes with various alkoxides, generated in situ from the corresponding alkyl, benzyl, allyl and propargyl alcohols
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Taste guided analysis of traditional food : identification of bitter principles in cultivated and wild "Lampascione"
No full textREAZIONI DOMINO DI ADDIZIONE/ANNULAZIONE DI delta-ALCHINILALDEIDI : SINTESI DI [1,4]OSSAZINO[4,3-a]INDOLI
No full textLa sintesi di una serie di [1,4]ossazino[4,3-a]indoli è stata ottenuta mediante la reazioni domino di addizione/annulazione di una serie di 1-alchinil-indol-2-carbaldeidi variamente sostituite al triplo legame, in presenza di alcossidi generati in situ per azione di sodio metallico sul corrispondente alcol. Ambito di applicazione, limitazioni e possibile meccanismo sono discussi nel poster
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