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Full-Text Articles in Physical Sciences and Mathematics
The Synthesis And Biological Evaluation Of Tamandarin B Analogs, Kenneth Lassen
The Synthesis And Biological Evaluation Of Tamandarin B Analogs, Kenneth Lassen
Kenneth Lassen
The tamandarin and didemnins are a class of cyclodepsipeptides that have shown a wide range of biological activity. The didemnins have demonstrated antitumor, antiviral and immunosuppressive activity at low nano- and femtomolar levels. Didemnin B was the first marine natural product to enter clinical trials in humans in the United States. The structures of tamandarins A and B were reported in 2000 and possess almost identical structure and biological activity to didemnin B. These compounds have shown impressive biological activity and some progress has been made in establishing structure-activity relationships. However, their molecular mechanism of action is still unclear. The …
Environmentally Friendly Organic Synthesis Using Bismuth(Iii) Compounds, Ram Mohan, Scott Krabbe
Environmentally Friendly Organic Synthesis Using Bismuth(Iii) Compounds, Ram Mohan, Scott Krabbe
Ram S. Mohan
Abstract With increasing environmental concerns, the need for environmentally friendly organic synthesis has gained increased importance. In this regard, bismuth (III) compounds are especially attractive as “green” reagents and catalysts for organic synthesis. Bismuth(III) compounds are remarkably nontoxic, relatively air and moisture stable, and easy to handle. The contributions from our laboratory in the last 5 years in the field of applications of bismuth(III) compounds as catalysts are presented.