Acetylcholinesterase inhibitor (−)-homogalanthamine 3 was synthesized from μ opioid antagonist naltrexone (2) in 16% total yield. The synthesis features Grob fragmentation as a key reaction, which was
A highly efficient method for the synthesis of 1-azabicyclo[x.y.0]alkane amino acid derivatives and their congeners by means of extremely regioselective cyclohydrocarbonylation (CHC) is described. The
Antrodia camphorata is also called Chang-Zhi, Niu Chang-Zhi, red camphor mushroom and so on, which is a perennial mushroom belonging to the order Aphyllophorales, the family Polyporaceae. It is an end
