RICHARD P. JOHNSON

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

Phone 603-862-2302     FAX ; 603-862-4278     Labphone 603-862-4087  richard.johnson@unh.edu

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 Teaching Award 2006 

Associate Editor,  Journal of Physical Organic Chemistry

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Recent Publications

Rajesh Thamatam, Sarah L.  Skraba and Richard P. Johnson*, "Scalable synthesis of quaterrylene: ¹H NMR characterization as its oxidative dication", Chemical Communications, 2013, ahead of print. http://pubs.rsc.org/en/content/articlepdf/2013/cc/c3cc46270f

Qi, C.; Cong, H.; Cahill, K. J.; Müller, 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.  http://onlinelibrary.wiley.com/doi/10.1002/anie.201302847/abstract

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,  in press.  http://pubs.acs.org/doi/abs/10.1021/jo301731v

Sarah L. Skraba and Richard P. Johnson*, "A Computational Model for the Dimerization of Allene,   J. Org. Chem., 2012, 77, pp 11096–11100 http://pubs.acs.org/doi/abs/10.1021/jo302176k

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 http://pubs.acs.org/doi/abs/10.1021/jo301848g

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. http://pubs.acs.org/doi/abs/10.1021/jo201658y

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. http://pubs.acs.org/doi/abs/10.1021/jo201567d

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. http://pubs.acs.org/doi/abs/10.1021/jp111342r

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. http://pubs.acs.org/doi/abs/10.1021/ja110698n

Richard P. Johnson, Dehydropericyclic Routes to Reactive Intermediates, J. Phys. Org. Chem. 2010, 23,  283-292. http://onlinelibrary.wiley.com/doi/10.1002/poc.1656/abstract

Katharine J. Cahill,  Aida Ajaz and Richard P. Johnson,  New Thermal Routes to ortho-Benzynes Australian J. Chem. 2010,  63, 1007 - 1012.  http://onlinelibrary.wiley.com/doi/10.1002/chin.201047251/abstract

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. http://pubs.acs.org/doi/abs/10.1021/jo802259h

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.  http://pubs.acs.org/doi/abs/10.1021/ol802729f

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. http://pubs.acs.org/doi/abs/10.1021/jo8026593

Hee Yeon Cho, Aida Ajaz, Dibya Himali, Prashant Waske and Richard P. Johnson*  Microwave Flash Pyrolysis J. Org. Chem. 2009, 74, 4137-4142. http://pubs.acs.org/doi/abs/10.1021/jo900245v