Payal posted an Question
December 21, 2020 • 01:19 am 30 points
  • IIT JAM
  • Chemistry (CY)

() lda ci) chi

() LDA Ci) CHI ..........................................

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  • Suman Kumar best-answer

    https://iitjamchemistrysolvedpapers.blogspot.com/2020/12/kinetic-selectivity-of-lda-base.html

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    Dinesh khalmaniya 1 Best Answer

    LDA is a non nucleophilic bulky base so attack towards less sterically hindered site

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    sir

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    yes

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    LDA is a weak nucleophile na?

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    yes

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    but here we are making a enolate ion. it is good nucleophile

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    why it attacks D why not H??

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    check these notes

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    because exo position is less sterically hindered. here LDA is bulky base so removal of D take place

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