ORGANIC CHEMISTRY II
Chemistry 212
Gordon College, Spring 2003


Prof. Irvin J. Levy
Office Hours:
MWF, 12:30-1:00pm, 2:00-2:30pm
T, 10:30-1:00pm
Or by appointment
There is excitement, adventure and challenge and there can be great art in organic synthesis.
- R.B. Woodward

This continuation of the two semester course in Organic Chemistry will seek to develop an appreciation of the importance of carbon chemistry in our lives and in our world. In a practical light, we will endeavor to acquire a level of expertise in the theoretical and actual manipulation of carbon based molecules. Thorough knowledge of the material from the first semester of the course is an assumed prerequisite.

TEXTS

1. Organic Chemistry, 7th ed. upgrade, Graham Solomons & Craig Fryhle
2. The Organic Chem Lab Survival Manual, 5th ed., Zubrick
(Recommended) Study Guide to Organic Chemistry,7th ed. upgrade, Solomons & Fryhle

ADDITIONAL MATERIALS

1. Bound notebook for laboratory
2. Safety goggles as required by Department
3. Protective gloves
(Recommended) Darling Flexible Stereochemical Models

MODES OF EVALUATION

Organic Chemistry is very much like a language. As with any language, mastery is only possible with regular practice. Accordingly, homework assignments following the enclosed Class Schedule will be given daily. It is expected that the assignment will be completed before the next lecture. Homework will be assigned to help clarify important concepts; however, homework will not be collected and will not directly affect the course grade. Homework does, of course, affect the grade in that it is unlikely that the course content can be mastered without significant practice. Self-evaluation of homework will be possible through the use of the Study Guide.

A brief quiz covering recent lecture material will normally be given at the beginning of every other class period. The first quiz will occur on the fourth day of class. Regular attendance is, thus, necessary to achieve success in the course. The three lowest quiz scores will be discarded when calculating the final quiz score. Make-up quizzes will not be administered under any circumstances. All quizzes are closed-book, closed notes.

Since the ability to communicate effectively is a key to success in scientific endeavors, a writing assignment (the Digital Organic Library) is an important element in this course. This paper will be ten to twelve pages of double-spaced text (plus any tables, figures etc.), word-processed, laser-printed, with end-notes, annotated bibliography, end-of-chapter questions and their solutions. Important note : this is not a standard research paper. Please refer to the section below which describes the style of the paper before proceeding! A list of possible topics is provided; however, individual interests may be pursued with permission. While content is extremely important, this assignment will also be evaluated in terms of form of presentation. Due to the complexity of this project, several intermediate milestones are due (sse handout). Failure to observe these due dates will result in a one-half letter grade reduction in the final paper grade for each milestone missed. Handwritten milestones will not be accepted. The final paper is due as shown on the Class Schedule below. Late submissions will be penalized one letter grade for each day (or portion thereof) late - "Big mistake. Big. Huge."

Three Opportunities will be administered on the dates listed below. Make-ups will be given only under extreme circumstances (illness, serious personal difficulty).

The final examination will be a multiple choice standardized American Chemical Society examination which is cumulative over both courses. Any student scoring at the national 90th percentile or higher on the this exam will automatically receive a grade of A in the course provided all laboratory work has also been completed.

Laboratory work will be assessed in the following way. A student is expected to attend all labs (or makeup assignment if missed through excusable absence), properly utilize a laboratory notebook (which will be subject to examination without notice), show evidence of preparation for lab (through lab quizzes, flowcharts, etc.), and strictly adhere to all chemical hygiene rules. It is usually very difficult to make up missed labs, thus it is essential that lab attendance be very faithful. The lab grade begins at 100% and will be decreased by 10% for each nonperformance of the expected standards. After a one time grace period (no penalty), upon violation of a chemical hygiene rule, the student will be asked to leave the lab for the remainder of the class period. This will result in two reductions to the lab grade (chemical hygiene violation, nonexcused absence).

Laboratory notebooks will be prepared by the student and will be assessed by a combination of self-evaluation and peer-evaluation (neither of which will affect the actual grade in the course) and by evaluation by the lab instructor. Students who perform all laboratory work, observe all chemical safety regulations, and maintain an acceptable laboratory notebook will receive full credit for laboratory effort (representing 67% of the lab grade). During the final laboratory session, a laboratory examination will be administered. The score on this examination represents 33% of the lab grade.

Scores on graded materials are not curved. Final grades will be computed as follows:

      25% - Three Opportunities
      20% - Quizzes (drop three low scores)
      20% - Laboratory (includes lab exam)
      20% - Paper
      15% - Final examination (curved)

DIGITAL ORGANIC LIBRARY WRITING ASSIGNMENT

The choice of your topic for this paper is a vital key to your success. You need to choose a topic which is of interest to you in order to be able to present it in an interesting manner (believe it or not, scientific writing should be interesting as well as informative!).

Note carefully: your paper's audience is not the instructor but rather a group of your fellow classmates. Everything in the paper should be readily understood by another organic chemistry student. You may assume that this reader is an excellent student who has just completed the CH212 course. Consequently, any other material from outside this course (or the normal course of study for a sophomore college student) must be explained to this reader. Remember, for example, that not all organic chemistry students have attended a college biology course. Depending upon the topic it may be helpful to include solved example problems within the chapter.

When writing your paper, it may help to compose it as the text for a lecture to an audience filled with such students. This should insure that the paper is organized and developed in a very logical manner ). It is also a very good idea to read your paper aloud to insure that sentence structure,etc. is correct. Feel free to try it out on a friend, also, to determine whether you have gone overboard. Papers that present material beyond the audience described will be penalized even if they are technically accurate.

Several important dates apply to the various milestones in this project. The timely submission of all items is essential to success in the project. Details of the milestones follow.

Milestones

1. January 27 - Title and Outline

This milestone requires the selection of a specific focussed topic, along with the outline for the presentation of that topic in the paper. The final paper may deviate from this tentative structure; however, this milestone requires the author to think about what they will be presenting and in what order.

2. February 17 - Annotated Bibliography

This milestone requires the submission of a list of references that have been obtained for preparation of the paper. For each reference you must give a brief (1 paragraph) description of the article/book/etc. Important! You may not simply copy the output from an online search. You are to describe the article - not its abstract! In a second paragraph you will then explain how this reference will be useful in the preparation of your paper. This is an extremely important milestone.

Please note: web sites may provide much valuable background material for your work; however, the quality of content and permanence of this information must be considered before placing a web site into a bibliography. In general only .edu or .org web sites will be acceptable sources. In special cases a .com web site may be appropriate. In any case, every web site included in the bibliography must be approved in advance by the professor. The only way to receive approval is to email the following to the professor far enough in advance to receive approval before this deadline:

Title of the web page
Author of the web source (if known)
Date of the publication (if known)
Annotation (i.e. description of content and how it is useful)
Exact web address as it will be entered on a browser
3. March 3 - Revised Outline

This milestone requires the resubmission of the outline - probably in finer detail than the original. For each outline entry, you must also list the references (from the annotated bibliography and other new materials) which you currently plan to use for that section.

4. March 31 - Critique of Draft by classmate

This milestone requires a word-processed draft of your paper to be submitted to a student in the class (as directed by the instructor). The student is responsible to read and critique this draft and return it to you by April 3.

5. April 16 - Paper Due in class

Prepare a packet in a manila file folder with the following items in the order indicated

  1. Cover page with title, author and a two or three paragraph abstract of the paper
  2. Revised outline
  3. Actual text of the paper including figures, graphs and tables.

    Important! Do not include any text, figures, graphs or tables from external sources without including proper attribution. This is extremely important!

  4. End of chapter questions
  5. Solutions key to end of chapter questions
  6. Annotated bibliography
  7. Written comments of the peer reader
  8. An envelope containing a CD with the final version of the paper and all other needed items. The text document must be saved in Word or Wordperfect format. If you store your files with another word-processor you will receive a grade of incomplete. The paper will not be evaluated until it is in the correct format. Late penalties will be assessed.

    Important! All files must be saved in the following manner. Any deviation will result in an incomplete paper.

    Filename
    on CD
    Contents of the file

    coverthe title, author and abstract page
    outline    the revised outline
    paperthe text of the paper, including figures, graphs or tables
    probend of chapter questions
    solsolutions to end of chapter questions
    bibthe annotated bibliography with suggested "Further Reading" list
  9. (Optional) Literature source material which you Xeroxed and no longer wish to keep

The following list of topics is meant to indicate the intended scope of the projects. The most common error is the pursuit of an enormously large topic, for example "biochemistry." Given the brief length of these papers, it is much more appropriate to present a thorough introduction to a very specific area of research. Another very common error is the choice of a topic in which the organic chemistry is clearly secondary to other interests. For example, some students have written papers which would be much more appropriate for a biology course. Accordingly, if you wish to pursue a topic of personal interest which is not on the list, be sure to inform me as soon as possible (lest your work be in vain). I will be happy to provide key references for the topics listed below.

ILLUSTRATIVE SAMPLE TOPICS

MISCELLANEOUS INFORMATION

Make-up examinations will be allowed only if the absence is previously cleared with the instructor or in the event of an emergency. In the case of illness, a written excuse from the health center is required. In the case of a personal emergency, a note from the Center for Student Development is required.

Make-up quizzes are not administered under any circumstances.

Students with documented disabilities must identify themselves in writing no later than the second Friday of classes in order for an accommodation to be made available.

USEFUL WEB RESOURCES

General resources

Aldrichimica Actajournal
Organic Synthesesbooks
US Patent Officedocuments
ChemFinderdatabase
ChemSketch: All-Purpose Chemical Drawing and Graphics Softwaredownload
IUPAC Naming Tooldownload
Laboratory Notebook Guidelineshandout
Calculating limiting reagents and percentage yieldhandout
Aldrich Chemical Company Search Pagedatabase
ChemExper Chemical Directorydatabase
Acros Chemicalsdatabase
NIST Chemistry Webbookdatabase

Special topics

Please note that these resources are all managed by other institutions. Consequently, the links may not work depending on the whim of the creators of these web resources.

IUPAC Rules of Nomenclature
WEB-ster's Organic Chemistry, A List of Lists
Visualizing Aids For Organic Chemistry
The Organic Laboratory
Named Reactions in Organic Chemistry
Basic Organic Nomenclature
Organic Structure Elucidation
NMR Made Simple
Stereochemistry Online
PRACTICE EXAMINATIONS (EXTERNAL WEBSITES)
Royal Society of Chemistry - Multiple Choice Exam
    Solutions

Illinois/Chicago
UCLA
Maryland, Organic 1
Maryland, Organic 2
Wisconsion/Osh Kosh
California/Santa Cruz
Wisconsin/Madison
Nebraska/Lincoln



Tentative Class Schedule


Meeting(s)  Chapter  Topic

Jan 1511Alcohols and ethers
Jan 17---continued
Jan 22---continued
Jan 24---continued
Jan 27---Milestone #1 due
Jan 27

12

Alcohols from carbonyl compounds.
Oxidation-reduction reactions and organometallic compounds
Jan 29---continued
Jan 31---continued
Feb 3---continued
Feb 5

13

Conjugation - Resonance - Delocalization - Stability
The Diels-Alder reaction
Feb 7---continued
Feb 10---continued
Feb 12---continued
Feb 14---continued
Feb 17---Milestone #2 due
Feb 1714Aromaticity
Feb 19---continued
Feb 21---* * * OPPORTUNITY #1 * * *
Feb 2415Reactions of aromatic compounds
Feb 26---continued
Feb 28---continued
Mar 3---Milestone #3 due
Mar 315Reactions of aromatic compounds, continued
Mar 5---continued
------Spring Break!
Mar 17

16

Aldehydes and ketones I.
Nucleophilic addition to the carbonyl group
Mar 19---continued
Mar 21---continued
Mar 24---* * * OPPORTUNITY #2 * * *
Mar 2617

Aldehydes and ketones II.
Aldol reactions
Mar 28

---continued
Mar 31---Milestone #4 due
Mar 31

17

Aldehydes and ketones I.
Aldol reactions, continued
Apr 2---continued
Apr 4---continued
Apr 7

18

Carboxylic acids and their derivatives
Nucleophilic addition-elimination at the acyl carbon
Apr 9---continued
Apr 11---continued
Apr 14---continued
Apr 16---FINAL PAPER DUE
Apr 1619Synthesis and reactions of β-dicarbonyl compounds
------Easter Break!
Apr 23---continued
Apr 2520Amines
Apr 28---continued
Apr 30---continued
May 2---* * * OPPORTUNITY #3 DISTRIBUTED (TAKE HOME) * * *
May 2---continued
May 5---* * * OPPORTUNITY #3 COLLECTED * * *
May 5

21

:Phenols and aryl halides
Nucleophilic aryl substitution
May 7---continued
May 12
2-4pm
---

* * * FINAL EXAMINATION * * *



Tentative Lab Schedule


Laboratories during the second semester use the techniques introduced during the first semester to develop continued depth of skill in the chemistry laboratory. Students will be challenged to think critically about their work and to take significant responsibility for planning their use of time in the lab.

Note: Laboratory is preceeded by a mandatory pre-lab lecture. Reading: Handouts will be provided online (links below) or in hard copy. Failure to read the required material before arrival at lab may result in a reduction in the laboratory grade. Unannounced laboratory quizzes will be used as necessary. These will be graded on a Pass/Fail basis. Passing grades will not affect the laboratory grade; however, each failing grade will reduce the final laboratory score by 1/2 letter grade.

Meeting   Reading  Topic

Jan 21

handout

Check-in
Light as reagent: Photochemical synthesis of benzopinacol
Jan 28

handout

Light as product:
Synthesis and chemiluminescence of luminol
Feb 4

handout

The Grignard syntheis of a 3° alcohol:
Synthesis of triphenylmethanol
Feb 11

handout

The Diels-Alder reaction:
Synthesis of endo-norbornene-5,6-dicarboxylic anyhdride
Feb 18

handout

Electrophilic aromatic substitution:
Synthesis of p-nitroaniline
Feb 25
handout
Nitroaniline workup
Mar 4
handout
Identification of an unknown organic compound
Mar 18
handout
Claisen-Schmidt condensation
Mar 25

Solomons ch. 9
handout
NMR lecture video
Problem solving with NMR spectra
Apr 1
handout
Unknown lab continues
Apr 8
handout
Unknown lab continues
Apr 15
handout
Unknown lab continues
Apr 22
handout
Unknown lab continues
Apr 29--- Laboratory Exam; Check-out
May 6--- Thursday schedule of classes