JIPMER Jipmer Medical Solved Paper-1998

  • question_answer
    An aldehyde can be obtained from an acid chloride by:

    A)  Rosenmunds reduction

    B)  Wolf-Kishner reduction

    C)  Clemmensens reduction

    D)

    Correct Answer: A

    Solution :

    An acid chloride, on reduction with \[Pd\text{/}BaS{{O}_{4}}\] in boiling xylene, gives aldehyde. \[\underset{Acid\,chloride}{\mathop{R--\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,--Cl}}\,\,\,+{{H}_{2}}\xrightarrow[Xylene]{Pd/BaS{{O}_{4}}}\underset{Aldehyde}{\mathop{R--\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,--H}}\,\,+HCl\] This reaction is known as Rosenmunds reduction.


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