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Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    Glucose forms many derivatives- The derivative which will help to prove the furanose structure is

    A)  osazone         

    B)  benzoyl

    C)  acetyl           

    D)  isopropylidene

    Correct Answer: D

    Solution :

     Formation of isopropylidene derivative requires the presence of two adjacent free\[-OH\]groups in cis-orientation which is present only in the furanose form and hence, isopropylidene formation proves the presence of furanose form.


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