ring expansion & contraction occurs in which type of reaction?please describe elaborately.
ring expansion & contraction occurs in which type of reaction?please describe elaborately.
sarthak mitra , 13 Years ago
Grade 12
Organic Chemistry> ring expansion...
3 Answers
iit jee
Last Activity: 13 Years ago
hi,
suppose the intermadiate formed is a carbocation ,if it is possible to make it a more stable carbocation then ring expansion is favoured.
and same with the caranion but there contraction......
kedar joshi..
Utkarsh
Last Activity: 6 Years ago
Organic compounds ..... contacts or expands ring....to get more stable structure....
Expansion or contraction is done by methyl shift or hydride shift
It helps the compound to get stable structure.....
Utkarsh
Last Activity: 6 Years ago
Continued from previous answer......(expansion or contraction helps to overcome angle strain......)
4,5 member ring goes to 6(expansion)
7,8 member ring goes to 6 (contraction)
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