north dakota state university
fall 1999


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  • Instructor: Professor Gregory R. Cook
    Office: Dunbar Hall 360A
    Telephone: 231-7413
    Email: grcook@plains.nodak.edu
    World Wide Web: http://www.ndsu.nodak.edu/instruct/grcook/chem341/
    Office Hours: Monday and Wednesday, 9:00 am - 10:00 am, or by appointment

    Required Text: "Organic Chemistry" Fith Edition, J. McMurry bundled with "Study Guide and Solutions Manual for McMurry's Organic Chemistry" Fifth Edition, S. McMurry.

    Optional: Darling Molecular Models available in the Varsity Mart

    INTRODUCTION: This course is designed to introduce you to the fascinating field of organic chemistry. In its simplest definition, organic chemistry is the chemistry of carbon compounds. We will discover what makes carbon compounds unique from other branches of chemistry. We will begin by discussing the concepts of structure and bonding in organic molecules. We will explore the preparation and reactions of various types of organic molecules, including alkanes, alkenes, alkynes, and alkyl halides. Modern chemists use a variety of techniques to probe the structure of molecules. Organic chemists utilize Nuclear Magnetic Resonance Spectroscopy as a structural tool. We will introduce you to this powerful technique.

    GRADING: Grading will be based on a 500 point scale (3 - 100 point exams or 2 - 100 point exams and 5 - 20 point quizzes, and a 200 point comprehensive final exam). Letter grades will be assigned according to the following percentiles (subject to change):

  • A 85 - 100
    B 75 - 84
    C 60 - 74
    D 45 - 59
  • HOMEWORK: Homework is not required for this course. However, suggested problems will be announced for each chapter. You are strongly urged to work through the suggested problems as many times as it takes to become proficient with the material. This will take a lot of work on your part, but it will be key to your success in this class.

    EXAMS: Three hourly exams (100 points) and a comprehensive final exam (200 points) will be given on the dates specified in the attached schedule. There will be no make-up exams without prior approval of the instructor. If you must miss an exam due to a scheduled university function (athletic event, etc.), the instructor must be notified at least two weeks before the exam date. An alternative exam will only be given prior to the scheduled exam date. Absolutely no make up exams will be given after a scheduled exam date. Extraordinary circumstances (death, hospitalization, etc.) will be evaluated on a case by case basis.

    QUIZZES: Six short quizzes (20 points) will be given throughout the semester. These quizzes will be unannounced and can occur at any time. They are not directly added to your grade total for this course, however, they can be beneficial. Quizzes can only help your grade, not hurt it. The best 5 quizzes out of the 6 will be totaled. This total will replace your lowest hourly exam score if it is higher. Under no circumstances will there be any makeup quizzes. Quiz answers will be posted on the class web page.

    LEARNING TIPS: Organic chemistry is not hard, but it does take a lot of work. The most important thing you can do to be successful in this class is to stay current and keep up. It just isn't possible to cram for organic chemistry on the night before an exam. Believe me when I tell you that studying an hour or two everyday will be much better than studying for 12 hours on a weekend. It is not easy to absorb all the material in one sitting, and a daily dose will make comprehension much easier.

    Learning organic chemistry is very much like learning a foreign language. You need to learn the vocabulary in terms of names, structures, and types of functional groups. You also need to learn the rules of grammar. For example, how an alcohol will react with a halide, etc. Once you learn certain rules, they can be applied to many different reactions. Thus you can construct chemical sentences. There will be a certain amount of memorization required, however, because of the vastness of the subject, learning general trends and rules will be most helpful.

    Here are some suggestions:

  • Read the chapter ahead before coming to class.
    Ask questions.
    Rewrite your notes after every class.
    Ask questions.
    Do the suggested problems as many times as it takes to understand the material, then try the other problems in your text.
    Ask questions.
    Use the Study Guide and Solutions Manual - but try to understand the problems without looking at the answers first.
    Ask questions.
    Use flash cards to help learn structures, names, and reactions.
    Ask questions.
    Find a friend or group of students to study with.
    Ask questions.
    Buy a set of molecular models.
    Ask questions.
    Utilize instructor and TA office hours.
    Ask questions.
  • Special Needs: All students have the right to an environment that is conducive for learning. Any students who need special accommodations for learning or who have special needs are invited to share these concerns or requests with the instructor as soon as possible.

    Academic Responsibility: It is assumed that students at NDSU have the integrity to complete examinations on their own. Any student who is found to have acted dishonestly on an exam will receive an F for that exam. A second infraction will result in an F for the course. The policy applied is that of the Code of Academic Responsibility and Conduct as outlined on pp. 29-30 of "A Code of Student Conduct" (Office of the Vice President for Student Affairs, July, 1993).

  •  

    TENTATIVE SCHEDULE

     8/25
    to

    8/27

     Chapter 1:

     Structure and Bonding. We will briefly review atomic structure and bonding. Hybridization of molecular orbitals will be introduced. We will learn how this hybridization is important in organic compounds.

    8/30
    to
    9/3

     Chapter 2:

    Polar Bonds and their Consequences. We will review the types of bonding that can occur between atoms. We will discuss resonance forms of molecules and acid-base definitions and reactivity.

     9/6

     No class

     Labor Day Holiday

     9/8
    to
    9/10

     Chapter 3:

    Organic Compounds: Alkanes and Cycloalkanes. Organic functional groups will be introduced. We will discuss the properties of the simplest organic hydrocarbons, alkanes, and we will learn the rules for naming these molecules.

     9/13
    to
    9/17

     Chapter 4:

     Stereochemistry of Alkanes and Cycloalkanes. We will discuss the conformations of alkanes and cycloalkanes and learn how these molecules exist in three dimensions.

     9/20
    to
    9/27

     Chapter 5:

     An Overview of Organic Reactions. Organic reaction types will be introduced, and reactions parameters such as rates, and energies will be discussed.

     9/21

     Review

    Optional evening review session for exam 1 - 6:30 pm, Ladd 107

     9/24

     EXAM 1

     Chapters 1-4

     9/29
    to
    10/4

     Chapter 6:

     Alkenes: Structure and Reactivity. We will learn about organic compounds with double bonds in detail including the structure, bonding, and naming. The reactivity of alkenes will be discussed.

     10/6
    to
    10/11

     Chapter 7:

    Alkenes: Reactions and Synthesis. We will learn methods of preparing alkenes from other organic molecules. Reactions of alkenes will be discussed in some detail.

     10/13
    to
    10/18

     Chapter 8:

    Alkynes: An Introduction to Organic Synthesis. We will learn all about compounds with triple bonds including, naming, preparation, and reactions of alkynes.

     10/19

     Review

     Optional evening review session for exam 2 - 6:30 PM , Ladd 107

     10/22

     EXAM 2

     Chapters 5-8

    10/20


    to
    10/29

    Chapter 9:

    Stereochemistry. We will learn how organic molecules exist in three dimensions. Topics of stereoisomers (enantiomers and diastereomers) will be discussed. Reactions that produce stereoisomers and how to control stereoisomers will be introduced.

    11/2
    to
    11/5

    Chapter 10:

    Alkyl Halides. We will learn about a very important functional group in organic chemistry, the alkyl halide. We will discuss naming, preparation, and some common reactions.

    11/8
    to
    11/17

    Chapter 11:

    Reactions of Alkyl Halides: Nucleophilic Substitutions and Eliminations. Substitutions and eliminations are among the most common organic reactions. We will explore in detail the intricacies of these processes.

    11/16

    Review

    Optional evening review session for exam 3, 6:30 pm, Ladd 107

    11/19

    EXAM 3

    Chapters 9-11

    11/22
    to
    11/29

    Chapter 12:

    Structure Determination: Mass Spectrometry and Infrared Spectroscopy. We will introduce spectroscopy as a method for obtaining structural information. Molecules can be separated based on their mass and mass spectrometry gives useful information. We will also learn how infrared radiation interacts with molecules and how we can determine functional groups from its spectrum.

    11/26

    No Class

    Thanksgiving Recess

    12/1
    to
    12/10

    Chapter 13:

    Structure Determination: Nuclear Magnetic Resonance Spectroscopy. We will learn the principles of NMR spectroscopy including proton (1H) and carbon (13C) NMR. We will discuss the theory behind NMR and learn how to interpret the spectra for structural information.

    12/11

    Review

    Optional review session for final exam. 10:00 am, Ladd 107

    12/13

    FINAL EXAM

    Comprehensive - 12:30 - 2:30 pm


    copyright 1999
    gregory r. cook
    grcook@plains.nodak.edu

    This web page is supported by a CAREER award
    from the
    National Science Foundation.