Dedicated to Prof. Dr. Wolf-Dieter Rudorf on the occasion of his 70th birthday. Ad multos annos!
Dihydromorphone was prepared from morphine in high yield, excellent purity, and low
residual metal content. The key steps used palladium on porous glass and a modified
Oppenauer oxidation, or Wilkinson’s catalyst.
Key words
alkaloids - catalysis - oxidation - reduction - supported catalysis