BASF SE (Ludwigshafen, Germany) has reached a major construction milestone at the Zhanjiang Verbund site with the successful mechanical completion of the ...

The 4-methyl steranes serve as molecular fossils and are used for studying both eukaryotic evolution and geological history. The occurrence of 4α-methyl steranes in sediments has long been considered ...

We describe our efforts toward the total synthesis of the natural product elisabethin A. The first route was guided by the proposed biosynthesis, assembling the 6,6-ring system before forming the five ...