IIT JAM
Shib sankar dhar Asked a Question
July 8, 2020 1:35 ampts 30 pts
  • IIT JAM
  • Chemistry (CY)

In this reaction two cooh grp is present but why no 2 cooh undergoes decarboxylation why not 1 no cooh

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  • Suman Kumar Best Answer
    Acid no. 2 is beta keto acid. When carboxylic acids containing a carbonyl group two bonds away (“on the  β carbon”) are heated, carbon dioxide is lost.
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    Suman Kumar
    It is easy for keto acid to undergo CO2 elimination via 6 membered transition state.
  • Priyanshu kumar thankyou
    check this
    • cropped5662657724586636718.jpg
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  • Priyanshu kumar thankyou
    So the acid no 2 doesn't underdecarboxylation rather acid no 1 does...see the above explanation 👆
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  • Suman Kumar
    https://youtu.be/lfO7dMCVJbg. Mechanism
    Likes(0) Reply(1)
    Suman Kumar
    See this for mechanism Shib
  • Priyanshu kumar
    hope this will help u shib😊🙏
    Likes(0) Reply(0)
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