(2S,3R)-3-bromo-4-oxo-2,4diphenylbutanoic Acid Reaction Quiz
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Questions and Answers

What is the expected product when (2S,3R)-3-bromo-4-oxo-2,4diphenylbutanoic acid is warmed with pyridine?

  • Dehydrohalogenation product
  • Decarboxylative debromation product (correct)
  • SN2 substitution product
  • SN1 substitution product

    • Which type of addition reaction does the 'Cis-Syn-Erythro Rule' apply to?

  • Anti addition
  • Addition of XY
  • Addition of H2
  • Syn addition (correct)

    • What type of intermediate is involved in the electrophilic and nucleophilic substitution reactions?

  • Free radical
  • Carbanion
  • Aliphatic or aromatic substrate
  • Carbocation (correct)

    • How are allylic and benzylic carbocations stabilized?

    <p>By resonance stabilization</p> Signup and view all the answers

    What determines whether X eclipses Y or X is opposite to Y in a Fischer projection when adding XY?

    <p>$Syn$ or $Anti$ addition</p> Signup and view all the answers

    What type of substitution reaction does the 'unmodified' rule specifically work for?

    <p>$SN1$ substitution</p> Signup and view all the answers

    What is the outcome when (S)-2-bromobutane reacts with metoksi?

    <p>Inversion of configuration</p> Signup and view all the answers

    What would be the result of the reaction of (R)-1-chloro-4-(p-chlorophenyl)methyl)benzene with methylalcohol?

    <p>Formation of chiral carbons and racemic mixture</p> Signup and view all the answers

    What happens when a chiral center undergoes inversion in an SN2 reaction?

    <p>Changes its R,S designation</p> Signup and view all the answers

    What is the predominant effect of the Leaving Group in the SN1 Stereochemistry?

    <p>Blocks approach of the nucleophile</p> Signup and view all the answers

    How do cyclopropane rings generally behave in terms of conformational flexibility?

    <p>They are flat and have little conformational flexibility</p> Signup and view all the answers

    What does Baeyer's strain theory attribute to cyclopropane and cyclobutane?

    <p>Strain as predicted due to non-bonded interactions</p> Signup and view all the answers

    What is the primary factor controlling ring conformations in molecules?

    <p>Bond strength and non-bonded interactions</p> Signup and view all the answers

    In an SN2 reaction, what is the expected outcome when a chiral halide reacts with methyl alcohol?

    <p>Inversion of configuration leading to an optically active product</p> Signup and view all the answers

    What does Baeyer's strain theory suggest about ring sizes other than five and six?

    <p>They may be too strained to exist</p> Signup and view all the answers

    What is the key impact of stereochemistry in an SN1 reaction involving iodide ion and acetone?

    <p>Highly reactive iodide ion resulting in more inversion than retention</p> Signup and view all the answers

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