industrially hydrocarbons process known steam reforming ref name rylander paul n rylander hydrogenation dehydrogenation ''ullmann 's encyclopedia industrial chemistry'' wiley vch weinheim ref many applications hydrogen transferred donor molecules formic acid isopropanol dihydroanthracene hydrogen donors undergo dehydrogenation respectively carbon dioxide acetone anthracene processes called transfer hydrogenations substrates important characteristic alkene alkyne hydrogenations homogeneously heterogeneously catalyzed versions hydrogen addition occurs syn addition hydrogen entering least hindered side reaction performed
Natural science Chemistry Hydrogenation