Organic Chemistry Basics 2 Question 64

64. The structure of the enol form of

$$ \mathrm{CH}{3}-\mathrm{CO}-\mathrm{CH}{2}-\mathrm{CO}-\mathrm{CH}_{3} $$

with intermolecular hydrogen bonding is

(1993, 1M)

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Solution:

  1. Cyclic