RICHARD P. JOHNSON


Research Program

Research Group 2009

Research Group 2011

Research Group 2014

Publications

Course Information

Useful Links

UNH Chemistry Homepage

UNH Main Webpage

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Worldwide Chemistry Departments

 

"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

NOTE:  Beginning Sept. 2014,  I am currently serving as a Program Director in CSDM-B and SYN at the National Science Foundation in Arlington, Va. Contact information: ricjohns@nsf.gov  703-292-7054

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UNH 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  Faculty Teaching Award 2006 

Associate Editor,  Journal of Physical Organic Chemistry

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Recent Publications

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. http://www.publish.csiro.au/?paper=CH14238

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. http://pubs.acs.org/doi/abs/10.1021/jo401847v

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. 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,  78, 1864 - 1873.  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