B OH R OH SR OH RSH 12 HgC H3C OC HC-NOCHs OCH HC-NTOCH H HO OH H HOOH 1 2 OH SR SR OH OH H3C- H3C OCH3 HaC-NO CH3 OC H HO HC-NTOTCH oh H HOOH 3
Catalytic Hydrogenation H H Pt,Pd,or Ni P R一C=C一R'+2H R-C-C-R HH H2-1%Pt on C 75 psi
Catalytic Hydrogenation 75 psi H2 - 1%Pt on C
Lindlar's Catalyst R H2,Pd/BaSO R一C=C一R' alkyne CHOH H cis alkene quinoline (Lindlar's catalyst)
Lindlar’s Catalyst