Ochem-CH21-COOHs

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    Acyl phosphate
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  6. Nucleophilic Acyl Substitution Reaction
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  7. Nomenclature
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  21. An Sn2 reaction occurs in how many steps? A nucleophilic acyl substitution occurs in how many steps?
    One. Two.
  22. Describe the mechanism for an Sn2 reaction.
    Describe the mechanism for a nucleophilic acyl substitution.
    • Backside displacement of the leaving group.
    • Tetrahedral intermediate.
  23. In a nucleophilic acyl substitution reaction, ___ carbonyl groups are more reactive.
    unhindered
  24. In a nucleophilic acyl substitution reaction, ___ acyl compounds are more reactive.
    strongly polarized
  25. List the order of reactivty for acid chlorides, amides, esters, thioesters, and acid anhydrides.
    Acid chloride, acid anhydride, thioester, ester, amide.
  26. Hydrolysis
    Water to carboxylic acid
  27. Alcoholysis
    alcohol to ester
  28. Aminolysis
    ammonia or ari amine to amide
  29. Reduction
    Reaction with hydride reducing agent to aldehyde or alcohol
  30. Grignard Reaction
    Reaction with an organometallic reagent to a ketone or an alcohol
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  52. What are the most common carboxylic acid derivatives in the lab?
    acid halides, acid anyhydrides, esters, and amides
  53. What are the most common carboxylic acid derivatives in biological molecules?
    thioesters and acyl phosphates
  54. What reaction dominates carboxylic acid derivatives?
    nucleophilic acyl substitution
  55. What are examples of step-growth polymers?
    polyamides and polyesters
  56. How are polyamides formed?
    Reaction between a diacid and a diamine
  57. How are polyesters formed?
    Reaction between a diacid and a diol.
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Author:
lukemlj
ID:
75603
Card Set:
Ochem-CH21-COOHs
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Description:
Ochem-CH21- carboxylic acid derivatives
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