Saturday, December 15, 2018

organic chemistry - Mechanism for an Étard reaction (chromium complex)


In the following reaction, a chromium complex is formed during the Étard reaction:


enter image description here


I have the following questions:



  1. How is this complex formed?

  2. How does its hydrolysis take place? (What's the mechanism?)



Wikipedia gives a different mechanism for the same reaction. I am in doubt which is correct? enter image description here




@Jan is this the correct mechanism?


enter image description here




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