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Grade 12th passOrganic Chemistry

Please explain why the reaction of neopentane yields 1- chloro- 2,2-dimethyl propane when treated with chlorine molecule during free radical mechanism ?
why not 1,2 methyl shift to give more stable tertiary free radical as compared to less stable primary free radicle????
please reply.

Profile image of Ishtiyak Qadir
11 Years agoGrade 12th pass
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6 Answers

Profile image of grenade
ApprovedApproved Tutor Answer11 Years ago
because for 1,2 me shift carbocation is necessary
free radical cannt be shifted mind it
Profile image of ng29
ApprovedApproved Tutor Answer11 Years ago
in this type of reaction free carbocation is not formed
and for any shift carbocation is necessary , so no shift occurs
u can refer sn sanyal for reactions and mechanisms
 
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Profile image of Ishtiyak Qadir
11 Years ago

but in this reaction 1,2 shift of phenyl group is observed

Profile image of grenade
11 Years ago
here phenyl gp is observed because of its mesomeric capcity
u asked for methyl
Profile image of grenade
11 Years ago
ant this particular case is still unclear acc to wiki
Profile image of grenade
11 Years ago
@ng29 its all about wiki