Payal posted an Question
September 07, 2020 • 18:05 pm 30 points
  • IIT JAM
  • Chemistry (CY)

The correct sequence af reagents to bring about the transtormation given below would be: 50 coet cho a) )memgbr, () cro: () ph,p=chcoet b) () php=chco,et, (i) m

The correct sequence af reagents to bring about the transtormation given below would be: 50 COEt CHO A) )MeMgBr, () CrO: () Ph,P=CHCOEt B) () PhP=CHCO,Et, (i) MeMgBr, (m) HO/ heat C) )CH,co,Et/ HO": (i) Mel: (i) H,O/ heat D) ) MeMgBr. (i) H,O/ heat, (i) CH,CO,Et/ HO

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    Dinesh khalmaniya 1 Best Answer

    option A

    cropped5039520036243853529.jpg
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    1 step is nucleophilic addition of grignard reaction to give 2° alcohol. now in 2nd step 2° alcohol in presence of CrO3 oxidised to given ketone. in 3rd step willing reaction takes place

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    general mechanism of wittig reaction is given by

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    got it??

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    if any soubt you can ask me

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    thank you sir

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    you welcome 🙏

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