Homogeneous Catalysis of Alkene Hydrogenation

Homogeneous Catalysis of Alkene Hydrogenation THE OVERALL REACTION  

Step 1 The active form of Wilkinson s catalyst described in the text is coordinatively unsaturated and reacts with the alkene to form an 18-electron complex. 

Step 2 The rhodinm-propene complex rearranges. Rhodium bonds to the less-substituted carbon of the alkene while hydride migrates from rhodium to the more-substituted carbon. 

Step 3 Hydride migrates from rhodium to carbon and the complex dissociates, 

Step 4 The complex formed in step 3 reacts with H2 to restore the active form of the catalyst, which returns to step 1 to maintain a continuing cycle. 

---

See also in sourсe #XX -- [ , , ]

---