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Grade: 12

                        

why? What is the major product and And please explain the reason for the stability of the free radical formed.

9 months ago

Answers : (2)

Vikas TU
13786 Points
							
Dear student 
A facile conversion of nitrile to amide may be achieved by the reaction in the presence of DMSO, unaccompanied by side reactions such as the epoxyamide formation from α,β-unsaturated nitrile. Kinetics and product analysis suggest that a predominant reaction is not a non-radical oxidation of H2O2 with 1 but a radical decomposition of H2O2 which is induced by the homolysis of anion of 1 (1A). No singlet oxygen could be trapped chemically. The reaction of superoxide ion, O2\ewdot, with acetonitrile is shown to be analogous to that of HOO−; the decomposit
Good Luck 
7 months ago
Arun
25067 Points
							
 
Dear Chaitanya
 
A facile conversion of nitrile to amide may be achieved by the reaction in the presence of DMSO, unaccompanied by side reactions such as the epoxyamide formation from α,β-unsaturated nitrile. Kinetics and product analysis suggest that a predominant reaction is not a non-radical oxidation of H2O2 with 1 but a radical decomposition of H2O2 which is induced by the homolysis of anion of 1 (1A).
 
hence option B iw correct.
Hope it helps
7 months ago
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