1,721,238 research outputs found
Stereocontrolled Cyclofunctionalisations of Double Bonds through Heterocyclic Intermediates
No full textAsymmetric synthesis of β-amino acids and α-substituted β-amino acids
No full textThis review is intended to give a brief summary of some of the more recent developments in the synthesis of p-amino acids and asubstituted amino acids. The first part is concerned with an overview of the naturally occurring compounds containing p-amino acids. The second part summarises results on the synthesis of natural and unnatural p-amino acids, by routes involving the enzymatic resolution of racemic mixtures, the intermediary preparation of perhydropyrimidin-4-ones and the conjugate addition of ammonia equivalents to a, P-unsaturated esters and imides which are all topics near to the scientific interest of the authors. For a more complete overview of the methods developed to obtain enantiomerically pure p-amino acids, including hydrogenation of 3-aminoacrylates and nucleophilic addition of enolates to imines, see two recent excellent reviews
Giuseppe Damiani Almeyda. Il "Progetto riduzione " del teatro Massimo di Palermo.
No full textIl progetto del Teatro Massimo di Palermo realizzato da G. Damiani Almeyda non è stato realizzato, in quanto non vincitore del relativo concorso. La ricostruzione digitale, eseguita a partire dai disegno originali, ne consente la visualizzazione tridimensionale del modello, nonché la simulazione del contesto urbano in cui l'edificio sarebbe stato inserito, qualora il progetto fosse risultato vincitore
Wittig reaction on o-quinones. New synthesis of 2,2-dimethylchro¬menes via quinonemethides.
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Polymer Supported Reagents. Chromic Acid on Anion Exchange Resin. Synthesis of Aldehydes and Ketones from Allylic and Benzylic Halides
No full textA New Synthetic Approach to 3-Amino-1,2-diols from Allylic Alcohols via Trichloroacetimidates
No full textSintesi di L e D-β-amminoacidi attraverso la formazione intermedia di amidali otticamente attivi
No full textA Stereospecific Synthesis of Dehydronerol Isovalerate, a Component of Anthemisia Montana L.
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