Middlebury

 

Jeff Byers

Philip Battell Stewart and Sarah Frances Cowles Stewart Professor of Chemistry

Email: 
Phone: work802.443.5207
Fax: fax (802) 443-5207
Office Hours: Fall 2014: Mon/Fri: 10:00AM - 11:30AM, Tues/Thurs 11:00-11:45AM, and by appointment
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Jeff Byers is a synthetic organic chemist, having received a B.S. degree from the University of Rochester in 1979 and a Ph.D. from Dartmouth College in 1984, where he worked in the group of Thomas A. Spencer . He held a postdoctoral fellowship in the group of Gary Keck at the University of Utah before joining the Middlebury faculty in 1986.

byers_2012

His teaching interests lie predominately in General Chemistry (CHEM 0103, CHEM 0104) and Introductory and Advanced Organic Chemistry (CHEM 0241, CHEM 0242 and CHEM 0442). He has also taught Freshman Seminars entitled "Fraud, Foolishness, and Serendipity", and "Smart Energy Choices" in recent years.  He has also been experimenting in the use of social networking sites such as Facebook as tools for collaborative learning in chemistry courses.

Current Research Interests lie in the application of transition metal templated radical intermediates to organic synthesis.

Hobbies and Interests included hiking (especially peak-bagging), skiing (nordic and alpine), running and piano.

He authors a blog on trailrunning in Addison County called "The Middlebury Trailrunner"

 

Courses


indicates offered in the current term
indicates offered in the upcoming term[s]

CHEM 0103 - General Chemistry I      

General Chemistry I
Major topics will include atomic theory and atomic structure; chemical bonding; stoichiometry; introduction to chemical thermodynamics. States of matter; solutions and nuclear chemistry. Laboratory work deals with testing of theories by various quantitative methods. Students with strong secondary school preparation are encouraged to consult the department chair for permission to elect CHEM 0104 or CHEM 0107 in place of this course. CHEM 0103 is also an appropriate course for a student with little or no prior preparation in chemistry who would like to learn about basic chemical principles while fulfilling the SCI or DED distribution requirement. 3 hrs. lect., 3 hrs. lab, 1 hr. disc.

DED SCI

Spring 2013, Fall 2013

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CHEM 0104 - General Chemistry II      

General Chemistry II
Major topics include chemical kinetics, chemical equilibrium, acid-base equilibria, chemical thermodynamics, electrochemistry, descriptive inorganic chemistry, and coordination chemistry. Lab work includes inorganic synthesis, qualitative analysis, and quantitative analysis in kinetics, acid-base and redox chemistry. (CHEM 0103 or by waiver) 3 hrs. lect., 3 hrs. lab, 1 hr. disc.

DED SCI

Fall 2011, Fall 2014

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CHEM 0203 / CHEM 0241 - Organic I: Struct & Reactivity      

Organic Chemistry I: Structure and Reactivity
This course will provide students with an introduction to the structure and reactivity of organic molecules sufficient to continue directly to study of biochemistry (CHEM 0322). Topics covered will include models of chemical bonding, acid-base relationships, three-dimensional molecular structure (conformations and stereochemistry), reaction mechanisms and energy diagrams, substitution and elimination reactions, carbonyl reactions (additions, reductions, interconversions, and alpha-reactivity), and the fundamentals of biological molecules (carbohydrates, DNA, and RNA). Laboratory experiments will include purification techniques (recrystallization, distillation, extraction, and chromatography) as well as microscale organic reactions that complement the lecture portion of the course. (CHEM 0104 or CHEM 0107) 3 hrs. lect., 3 hrs. lab, 1 hr. prelab.

SCI

Winter 2011, Fall 2011, Fall 2012, Winter 2013, Winter 2014, Fall 2014

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CHEM 0204 / CHEM 0242 - Organic II: Synthesis & Spect      

Organic Chemistry II: Synthesis and Spectroscopy
In this course we will explore the ways that organic molecules are made and their structures identified. The study of organic reactions will continue from CHEM 0203 with radical reactions, alkene and alkyne additions, aromatic reactions, oxidations and reductions, and additional carbonyl reactions. Emphasis in this course will be placed on using reactions in sequences to synthesize larger and more complex molecules. The theory and practice of mass spectrometry and UV-Vis, IR, and NMR spectroscopy will be studied as a means to elucidate the exact structures of organic molecules. Laboratory experiments will focus on synthetic techniques that complement the lecture portion of the course and the identification of complex unknowns via GC-MS, IR, and NMR. (CHEM 0203) 3 hrs. lect., 3 hrs. lab, 1 hr. prelab.

Spring 2011, Spring 2014, Spring 2015

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CHEM 0442 - Advanced Organic Chemistry      

Advanced Organic Chemistry
This course covers advanced topics in organic chemistry, with the goal of bringing students to the point where they have the knowledge necessary to become lifelong learners of organic chemistry through primary literature, rather than reliance on textbooks. With this goal in mind, the course will cover qualitative molecular orbital theory and reactive intermediates beyond the anion and cation chemistry which form the main body of the introductory organic chemistry sequence. More advanced techniques in NMR spectroscopy, stereochemistry, and conformational analysis will also be covered, and the course will culminate in literature examples of total synthesis of natural products, and a final project involving authoring a Wikipedia page on a topic of interest relating to organic chemistry. (CHEM 0204 or CHEM 0242)

Spring 2011, Spring 2013, Spring 2015

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CHEM 0500 - Independent Study      

Independent Study Project
Individual study for qualified students. (Approval required)

Winter 2011, Spring 2011, Fall 2011, Fall 2012, Winter 2013, Spring 2013, Fall 2013, Winter 2014, Spring 2014, Fall 2014, Winter 2015, Spring 2015

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CHEM 0700 - Senior Research      

Senior Research
In this course students complete individual projects involving laboratory research on a topic chosen by the student and a faculty advisor. Prior to registering for CHEM 0700, a student must have discussed and agreed upon a project topic with a faculty member in the Chemistry and Biochemistry Department. Attendance at all Chemistry and Biochemistry Department seminars is expected. (Approval required; open only to seniors)

Winter 2011, Spring 2011, Fall 2011, Fall 2012, Winter 2013, Spring 2013, Fall 2013, Winter 2014, Spring 2014, Fall 2014, Winter 2015, Spring 2015

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CHEM 0701 - Senior Thesis      

Senior Thesis
Students who have initiated research projects in CHEM 0400 and who plan to complete a senior thesis should register for CHEM 0701. Students are required to write a thesis, give a public presentation, and defend their thesis before a committee of at least three faculty members. The final grade will be determined by the department. Attendance at all Chemistry and Biochemistry Department seminars is expected. (CHEM 0400; approval required)

Spring 2013, Fall 2013, Winter 2014, Spring 2014, Fall 2014, Winter 2015, Spring 2015

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FYSE 1199 - Smart Energy Choices      

Smart Energy Choices
As readers of the popular press, we are deluged with information about the strengths and limitations of many energy sources. Using the tools of quantitative thermodynamics, we will compare and contrast fossil fuels and nuclear energy, as well as alternative energy sources such as plant-derived biofuels, hydrogen (in combustion and fuel cells), solar power and wind power. We will also examine the economic and environmental consequences of each of these energy sources. It is strongly required that students have a full year of high school chemistry and physics. 3 hrs. sem/3 hrs. lab

CW SCI

Fall 2012

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Recent Publications

“Social Networking Sites for Online Collaboration in Chemistry Courses:  A Facebook Experiment”  Byers, J. H.  The Chemical Educator, 2011 (online journal).

“Radical Aromatic Substitution with Benzene Chromiumtricarbonyl” Byers, J. H.*; Neale, N. R.*; Alexander, J. B.* Gangemi, S. P.* Tetrahedron Lett. 2007, 48, 7903-7905.

“The Radical Addition of Dimethyl 2-Ethynylcyclopropane-1,1-dicarboxylate to Electron-Rich Olefins” Byers, J. H.; Goff, P. H.*; Janson, N. J.*; Mazzotta, M. G.*; Swigor, J. E. Synthetic Commun. 2007, 37, 1865-1871.

“Radical Additions to (n6-Styrene) Chromium Tricarbonyl” Byers, J. H.; Janson, N. J.* Organic Lett. 2006, 8, 3453.

“Thiocarbonyldiimidazole” Byers, J.H. Encyclopedia of Reagents for Organic Synthesis, L. A. Paquette, Ed. Wiley, 2006.

“Radical Reactions Mediated by Cyclobutadieneiron Tricarbonyl” Byers, J. H.; Sontum, S. F.; Dimitrova, T. S.*; Huque, S.*; Zhang, Y.*; Zegarelli, B. M.*; Jasinski, J. P; Butcher, R. P. Organometallics 2006, 25, 3787.

"Tandem Radical-Electrophilic Annulations to Pyrrole" Byers, J. H.; DeWitt, A.*; Nasveschuk, C. G.*; Swigor, J. E. Tetrahedron Lett., 2004, 45, 6587-6590.

"A One-step Radical Synthesis of Pyrrol-2-Acetic Acids" Byers, J. H.; Duff, M. P.*; Woo, G. W.*, Tetrahedron Lett., 2003, 44, 6853-6855 .

"Syntheses of 3-Acylindoles via the Alkylation of the Dianion of 3-Acetylindole" Byers, J. H.; Zhang, Y.* Heterocycles, 2002, 57, 1293-1297.

Recent Major Grants

$225,000 from the NSF-RUI for "Radical Reactions of Arene-Metal Complexes" 2009

$200,000 from NSF-MRI for “Acquisition of an LC/MS System” 2005

$24,900 from Vermont-EPSCOR for “Purchase of a solvent purification system” 1/05

$5000 from Pfizer Pharmaceuticals Central Research in support of an undergraduate summer research assistant, 4/04

$300,000 from the NSF-RUI for “Transition Metal Templated Radical Reactions” 7/03-6/06.

$8900 from Vermont-EPSCOR for “Radical Chemistry of Cyclobutadiene Iron Tricarbonyl” 6/03-8/03.