12 sample documents related to CHEM 1058

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  1058.RG4.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 LEARNING STRATEGIES CENTER J. Walcott Spring 2013 Practice Problems Solutions #4 Lectures: 2/11/13 2/15/13 Chapter 17 1. What would you expect form the reaction of 5- Methyl cycloheptene with NBS, heat and carbon tetrachloride? If more than one
   
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  1058.RG5.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott Spring 2013 Practice Problems Solutions #5 Lectures: 2/18/13 2/22/13 Chapter 18 1. Propose a curved arrow mechanism for the reaction of methoxide ion with 1- chloranthraquinone. OCH3 Cl O O O Cl OCH3 O O O OCH3 + Cl Meisenheimer compl
   
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  1058.RG6.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott Spring 2013 Practice Problems Solutions #6 Lectures: 2/25/13 3/1/13 Chapter 18 1. Give the products for the following reactions: a. Olefin Methathesis PCy3 Cl Ru P h Cl PCy3 RuL2X4 O O b. Stille Reaction OH OH OTf2 (H3C)3 Sn OH LiC
   
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  1058.RG7.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott LEARNING STRATEGIES CENTER Spring 2013 Practice Problems Solutions #7 Lectures: 3/4/13 3/8/13 Chapter 19 1. How would you synthesize the following compounds from cyclohexanone? a. 1-Methylcyclohexene O CH3 CH3 OH H3O+ 1. CH3MgBr 2. H3
   
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  1058.RG7cont.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott LEARNING STRATEGIES CENTER Spring 2013 Practice Problems Solutions #7 continued Lectures: 3/11/13 3/15/13 Chapter 20 1. Arrange the compound in order of increasing boiling point CH3(CH2)6CHO < CH3(CH2)6CH2OH 171 C < CH3(CH2)5CO2H 195
   
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  1058.RG8.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott LEARNING STRATEGIES CENTER Spring 2013 Practice Problems Solutions #8 Lectures: 3/11/13 3/15/13 Chapter 20 1. Assign the acid in each set its appropriate p Ka . O O a.) OH OH and (pKa 4.19 and 3.14) O2N 4.19 b.) 3.14 O O O (pKa 3.58 a
   
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  1058.RG9.ProbSol

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott LEARNING STRATEGIES CENTER Spring 2013 Practice Problems Solutions #9 Lectures: 3/25/13 3/29/13 Chapter 21 1. Write a mechanism of the reaction between p-hydroxyaniline and acetic anhydride in NaOH and water to prepare acetaminophen.
   
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  1058.RG10.ProbSol.13

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott Spring 2013 Practice Problems Solutions #10 Lectures: 4/1/13 4/5/13 Chapter 22 1. Show how to bring about this conversion. O O OH CH3 O O SOCl2 OH O (CH3)2CuLi Cl H2O CH3 ether 2. Show how to bring about this conversion. O O OH O O OH
   
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  1058.RG11.ProbSol.13

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott Spring 2013 Practice Problems Solutions #11 Lectures: 4/8/13 4/12/13 Chapter 22 1. What is the product that you would expect to obtain by Claisen condensation of ethyl cyclohexylacetate? O O-Et + O 1. Na + -OEt O-Et O O O-Et 2. H3O+ 2
   
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  1058.RG11.ProbSuppl.Sol.13(1)

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott Spring 2013 Practice Problems Supplement Solutions #11 Chapters 21 - 23 1. If 5-hydroxypentanoic acid is treated with an acid catalyst, an intramolecular esterification occurs. What is the structure of the product? O O H+ catalyst HO
   
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  1058.RG12.ProbSol.13

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott LEARNING STRATEGIES CENTER Spring 2013 Practice Problems Solutions #12 Lectures: 4/15/13 4/19/13 Chapters 23 and 24 1. Outline a synthesis of 2,4,6- tribromobenzoic acid from aniline using a reaction sequence involving a diazonium sal
   
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  1058.RG12.ProbSol.cont

  Cornell CHEM 1058
  

  Chem 1058 J. Walcott LEARNING STRATEGIES CENTER Spring 2013 Practice Problems Solutions #12 continued Lectures: 4/15/13 4/19/13 Chapters 23 and 24 1. Outline a synthesis of 2,4,6- tribromobenzoic acid from aniline using a reaction sequence involving a dia