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Author Question: The common feature of a-substitution and condensation reactions of carbonyl groups: a. involve two ... (Read 38 times)

dakota nelson

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The common feature of a-substitution and condensation reactions of carbonyl groups:
  a.
  involve two carbonyl partners
  b.
  involve the formation of an enol or enolate ion
  c.
  involve a nucleophile
  d.
  produce a new carbon to carbon bond
  e.
  all of these describe both types of reactions

Question 2

Ethyl phenylacetate is a pleasant smelling compound used in perfumery. Draw structures for each of the intermediates in the synthesis of ethyl phenylacetate below.
   
 

Question 3

Choose the best reagent(s) for carrying out the following conversion.
   
 
   
  a.
  H2/Pd
  b.
  NaBH4, ethanol
   
   
   
   
  c.
  1. LiAlH4, ether
  d.
  all of the above
   
  2. H3O+
 
 

Question 4

Choose the best reagent(s) for carrying out the following conversion.
   
 
   
  a.
  1. CH3MgBr, ether
  b.
  CH 3COCl
   
  2. H3O+
 
 
   
   
   
   
  c.
  CH3OH, acid, heat
  d.
  all of the above work

Question 5

Choose the best reagent(s) for carrying out the following conversion.
   
 
   
  a.
  1. (Ph)2MgBr, ether
  b.
  1. (Ph)2CHMgBr, ether
   
  2. H3O+
   
  2. H3O+
   
   
   
   
  c.
  1. 2 PhMgBr, ether
  d.
  all of the above work
   
  2. H3O+
 
 

Question 6

Choose the best reagent(s) for carrying out the following conversion.
   
 
  a.
  NaBH4, ethanol
  b.
  H2/Pd
  c.
  1. LiAlH4, ether 2. H3O+
  d.
  either a. or c. above

Question 7

Write the complete stepwise mechanism for the basic hydrolysis of acetamide, shown below. Show all electron flow with arrows and draw all intermediate structures.
   
 

Question 8

Draw the structure of polymer formed in the following reaction. Show only a single monomer.
   
 

Question 9

Draw the structure of polymer formed in the following reaction. Show only a single monomer.
   
 

Question 10

Draw the major product of the following reaction (which affords a penicillin derivative).
   
 

Question 11

Draw the major products of the following biochemical reaction (where R = a fatty acid chain).
   
 

Question 12

Draw the major product of the following reaction.
   
 

Question 13

The product of the following reaction is a primary essence contained within bananas.
   
 
   
  a)
  Draw its structure.
   
   
  b)
  The product of the above reaction could also be produced by the reaction of an acid and an alcohol. Draw their structures.

Question 14

Rank the following from highest to lowest reactivity toward reaction with EtOH.
   
 

Question 15

What is the major organic product produced by the following reaction?
   
 

Question 16

What is the major organic product produced by the following reaction?
   
 
   
  a.
 
   
  b.
 
   
  c.
 
   
  d.
 

Question 17

Which of the following is the correct order of decreasing reactivity in hydrolysis reactions (more reactive > less reactive)?
  a.
  anhydrides > amides > acid chlorides
  b.
  amides > acid chlorides > anhydrides
  c.
  anhydrides > acid chlorides > amides
  d.
  acid chlorides > anhydrides > amides



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nanny

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Answer to Question 1

b

Answer to Question 2



Answer to Question 3

c

Answer to Question 4

a

Answer to Question 5

c

Answer to Question 6

c

Answer to Question 7



Answer to Question 8



Answer to Question 9



Answer to Question 10



Answer to Question 11



Answer to Question 12



Answer to Question 13

a)


b)


Answer to Question 14

ANS: C > A > E > D > B

Answer to Question 15



Answer to Question 16

a

Answer to Question 17

d




dakota nelson

  • Member
  • Posts: 604
Reply 2 on: Aug 23, 2018
Gracias!


diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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