Research Program

Research Group 2009

Research Group 2011

Research Group 2014


Course Information

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"Thank you for coming to tell us about science. Now you inspired me, so instead of being the Chief of Police I want to be a chemist.."

 Thank you note received from a fourth grader after a class visit.













Norman and Marie Waite Professor of Chemistry

University of New Hampshire   Department of Chemistry

Member of the UNH Materials Science Program

23 Academic Way Durham, NH 03824



UNH Phone 603-862-2302     FAX ; 603-862-4278     Labphone 603-862-4087

B.S. Syracuse University  1972                                                                                             Ph.D. Syracuse University  1976 (with Roger Hahn)

Postdoctoral University of Geneva,  Switzerland 1977 (with Charles Jefford);   NIH Postdoctoral Fellow University of Wisconsin, Madison 1978 (with Howard Zimmerman)

CEPS  Faculty Teaching Award 2006 


Recent Publications

Sarah L. Skraba-Joiner, Richard P. Johnson and Jay Agarwal, Dehydropericyclic Reactions: Symmetry Controlled Routes to Strained Reactive Intermediates, Journal of Organic Chemistry, published online ahead of print.

Sarah L. Skraba, Erin C. McLaughlin, Aida Ajaz, Rajesh Thamatam and Richard P. Johnson, Scholl Cyclizations of Aryl Naphthalenes:  Rearrangement Precedes Cyclization,  Journal of Organic Chemistry, currently published online ahead of print.

Tian Qin,  Sarah L. Skraba-Joiner,  Zeinab G. Khalil,  Richard P. Johnson, Robert J. Capon, and John A. Porco, Jr.  Atropselective Syntheses of (-) and (+) Rugulotrosin A Utilizing Point-to-Axial Chirality Transfer ,  Nature Chemistry 2015,  7, 234–240.   doi:10.1038/nchem.2173

Aida Ajaz, Alicia Voukides, Katharine Cahill, Rajesh Thamatam, Sarah Skraba-Joiner, Richard Johnson,  Microwave Flash Pyrolysis: C9H8 Interconversions and Dimerizations Aust. J. Chem.2014, 67, 1301-1308.

Alicia C. Voukides, Katharine J. Cahill and Richard P. Johnson,  Computational Studies on a Carbenoid Mechanism for the Doering-Moore-Skattebol Reaction, Journal of Organic Chemistry, 2013, 78, 11815-11823.

Rajesh Thamatam, Sarah L.  Skraba and Richard P. Johnson*, "Scalable synthesis of quaterrylene: 1H NMR characterization as its oxidative dication", Chemical Communications, 2013, 49, 9122- 9124.

Qi, C.; Cong, H.; Cahill, K. J.; Mόller, P.; Johnson, R. P.; Porco, J.  A.*, Biomimetic Dehydrogenative Diels-Alder Cycloadditions: Total Synthesis of Brosimones A and B" Angew. Chem. Internat. Edit.  2013, 52, 8345-8348.

Katharine J Cahill, and Richard P. Johnson*,  Beyond Frontier Molecular Orbital Theory: A Systematic ElectronTransfer Model (ETM) for Polar Bimolecular Organic Reactions, J. Org. Chem. 2013,  78, 1864 - 1873.

Sarah L. Skraba and Richard P. Johnson*, "A Computational Model for the Dimerization of Allene,   J. Org. Chem., 2012, 77, pp 11096–11100

Aida Ajaz, Erin C. McLaughlin, Sarah L. Skraba, Rajesh Thamatam, and Richard P. Johnson* , "Phenyl Shifts in Substituted Arenes via Ipso Arenium Ions",  J. Org. Chem., 2012, 77, pp 9487–9495

Suwei Dong, Katharine J. Cahill,  Moon-Il Kang,  Nancy H. Colburn,  Curtis C. Henrich,  Jennifer A. Wilson,  John A. Beutler,  Richard P. Johnson,* and John A. Porco, Jr.*, "Microwave-Assisted Reaction Screening: Tandem Retro-Diels-Alder/Diels-Alder Cycloadditions of ortho-Quinol Dimers"   J. Org. Chem. 2011, 76, 8944-8954.

Aida Ajaz, Alexander Z. Bradley, Richard C. Burrell, William Hoi Hong Li, Kimberly J. Daoust, Laura Boddington Bovee, Kenneth J. DiRico, and Richard P. Johnson*, Concerted vs. Stepwise Mechanisms in Dehydro Diels-Alder Reactions J. Org. Chem. 2011, 76, 9320-9328.

Jay Agarwal, Richard P. Johnson, and Gonghu Li*, Reduction of CO2 on Tricarbonyl Rhenium(I) Complexes: Modeling a Catalytic Cycle,  J. Phys. Chem. (A)2011, 115, 2877–2881.

Tian Qin, Richard P. Johnson, and John A. Porco, Jr. *, Vinylogous Addition of Siloxyfurans to Benzopyryliums: A Concise Approach to the Tetrahydroxanthone Natural Products, J. Am. Chem. Soc. 2011,  133, 1714.

Richard P. Johnson, Dehydropericyclic Routes to Reactive Intermediates, J. Phys. Org. Chem. 2010, 23,  283-292.

Katharine J. Cahill,  Aida Ajaz and Richard P. Johnson,  New Thermal Routes to ortho-Benzynes Australian J. Chem. 2010 63, 1007 - 1012.

Iain D. Mackie and Richard P. Johnson  Thermal Rearrangements of 2-Ethynylbiphenyl:  A DFT Study of Competing Reaction Mechanisms,  J. Org. Chem., 2009, 74 , 499–503.

Chong Han,  Sathish Rangarajan, Alicia C Voukides, Aaron B. Beeler, Richard Johnson and John A. Porco, Jr.* Reaction Discovery Employing Macrocycles: Transannular Cyclizations of Macrocyclic Bis-lactams Org. Lett., 2009, 11 (2), 413–416.

Richard P. Johnson and Kaleen M. Konrad,  Strained Cyclic Allenes and Cumulenes,  Chpt 3. in    Strained Hydrocarbons:  Beyond the van't Hoff and Le Bel Hypothesis, Dodziuk, H. (ed.),  Wiley-VCH, 2009.

Alicia C. Voukides, Kaleen M. Konrad and Richard P. Johnson*,  Competing Mechanistic Channels in the Oxidation of Aldehydes by Ozone,  J. Org. Chem. 2009, 74, 2108–2113.

Hee Yeon Cho, Aida Ajaz, Dibya Himali, Prashant Waske and Richard P. Johnson*  Microwave Flash Pyrolysis J. Org. Chem. 2009, 74, 4137-4142.