Demonstrating More Realistic Research Outcomes to Undergraduates in the Organic Teaching Lab: Separation of Product Mixtures, Structure Analysis, and Mechanistic Inquiry

How well does the undergraduate organic chemistry laboratory curriculum prepare students for academic research, or for a bench job in industry? Running experiments that are more representative of research chemistry has the potential to better equip students for working in a research laboratory, while at the same time giving them insight into a typical outcome in a research project. We describe here an experiment that we have launched in the sophomore organic chemistry lab at UC Davis that presents challenges in chromatographic separation, structural assignment by NMR, and mechanistic interpretation. Optional exercises in computational modeling of the NMR data and chromophore analysis by UV–vis/fluorescence measurements are included.

[1]  Devin Latimer,et al.  Overcoming the Hurdle from Undergraduate Lab to Research Lab: A Guided-Inquiry Structural Characterization of a Complex Mixture in the Upper-Division Undergraduate Organic Lab , 2018, Journal of Chemical Education.

[2]  V. Keller,et al.  Independent Synthesis Projects in the Organic Chemistry Teaching Laboratories: Bridging the Gap Between Student and Researcher , 2017 .

[3]  E. A. C. Davie Multistep Synthesis of a Terphenyl Derivative Showcasing the Diels-Alder Reaction , 2015 .

[4]  N. Pohl,et al.  A Research Module for the Organic Chemistry Laboratory: Multistep Synthesis of a Fluorous Dye Molecule , 2014, Journal of chemical education.

[5]  A. Mueller,et al.  Development and Preliminary Impacts of the Implementation of an Authentic Research-Based Experiment in General Chemistry , 2013 .

[6]  B. Goess,et al.  A Multistep Synthesis Featuring Classic Carbonyl Chemistry for the Advanced Organic Chemistry Laboratory. , 2012 .

[7]  C. E. Stephens,et al.  3,5-Diarylisoxazoles: Individualized Three-Step Synthesis and Isomer Determination Using 13C NMR or Mass Spectroscopy , 2006 .

[8]  Brian J. Johnson,et al.  Student-Designed Multistep Synthesis Projects in Organic Chemistry , 2002 .

[9]  J. Hugdahl,et al.  A research-based sophomore organic chemistry laboratory , 1999 .

[10]  T. Kauffmann,et al.  Konstitution und Konfiguration der Diazoanhydride von E. Bamberger , 1960 .

[11]  I. Heilbron,et al.  74. Arylpyridines. Part II. Some substituted phenylpyridines , 1940 .

[12]  I. Heilbron,et al.  241. Arylpyridines. Part IV. 3- and 4-Pyridyldiphenyls , 1940 .

[13]  I. Heilbron,et al.  75. Arylpyridines. Part III. Anisyl- and nitroanisylpyridines , 1940 .

[14]  I. Heilbron,et al.  73. Arylpyridines. Part I. Phenylpyridines and nitrophenylpyridines , 1940 .

[15]  W. Bachmann,et al.  THE SYNTHESIS OF BIARYL COMPOUNDS BY MEANS OF THE DIAZO REACTION , 1924 .

[16]  R. Möhlau,et al.  Ueber die Einführung der Phenylgruppe in cyclische Verbindungen mittels Diazobenzol , 1893 .