§ Group for Biologically Inspired Materials, Institute of Nanobiotechnology (DNBT), University of Natural Resources and Life Sciences, Muthgasse 11, 1190 Vienna, Austria Article Views are the ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

The crude product was purified by silica gel column chromatography. Step 2: under argon, the intermediate (1.5 mM) was dissolved in 5 mL of ethyl acetate in a round-bottom flask. Subsequently, 3 mL of ...