IIT JAM
Rutik Asked a Question
February 11, 2021 6:59 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

2. the major product formed in the following reaction sequence is ome i. tici, cu-zn cho i. hcl/ho ph ph (a) (b) ph ph ph ph (c) ph (d) ph

2. The major product formed in the following reaction sequence is OMe i. TICI, Cu-Zn CHO i. HCl/HO Ph Ph (A) (B) Ph Ph Ph Ph (C) Ph (D) Ph
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  • Priyanshu kumar thankyou
    option C is correct Mcmurry coupling Check this mechanism
    • cropped2465200777326588681.jpg
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    Priyanshu kumar
    please ask rutik if any doubt
  • Dinesh khalmaniya
    check the mechanism. here coupling reaction give alkene and hydrolysis of ester gives allylic alcoho with rearrangement to give ketone.
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    Rutik
    okay got it thank u
  • Dinesh khalmaniya thankyou
    option C Explanation- It is coupling by McMurry reaction following by hydrolysis of ester to ketone
    • cropped5167174112062100366.jpg
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    Rutik
    sir why not B