All Stories

  1. Development of a Green and Sustainable Manufacturing Process for Gefapixant Citrate (MK-7264) Part 3: Development of a One-Pot Formylation–Cyclization Sequence to the Diaminopyrimidine Core

    Article • Organic Process Research & Development, October 2020, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  2. Development of a Green and Sustainable Manufacturing Process for Gefapixant Citrate (MK-7264) Part 2: Development of a Robust Process for Phenol Synthesis

    Article • Organic Process Research & Development, October 2020, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  3. Development of a Green and Sustainable Manufacturing Process for Gefapixant Citrate (MK-7264) Part 1: Introduction and Process Overview

    Article • Organic Process Research & Development, October 2020, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  4. Generic Enhanced Sub/Supercritical Fluid Chromatography: Blueprint for Highly Productive and Sustainable Separation of Primary Hindered Amines

    Article • ACS Sustainable Chemistry & Engineering, March 2020, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  5. Synthesis of Sterically Hindered Primary Amines by Concurrent Tandem Photoredox Catalysis

    Article • Journal of the American Chemical Society, January 2020, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  6. Electrochemical Synthesis of Hindered Primary and Secondary Amines via Proton-Coupled Electron Transfer

    Article • Journal of the American Chemical Society, December 2019, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  7. Mechanistic Study of a Re-Catalyzed Monoalkylation of Phenols

    Article • Organometallics, October 2018, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  8. Discovery of a Photoinduced Dark Catalytic Cycle Using in Situ LED-NMR Spectroscopy

    Article • Journal of the American Chemical Society, September 2018, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  9. Alkyne Benzannulation Reactions for the Synthesis of Novel Aromatic Architectures

    Article • Accounts of Chemical Research, November 2017, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  10. Reductive Aromatization/Dearomatization and Elimination Reactions to Access Conjugated Polycyclic Hydrocarbons, Heteroacenes, and Cumulenes

    Article • ChemPlusChem, July 2017, Wiley

    Dr. Dan Lehnherr

  11. Diazatetracenes Derived from the Benzannulation of Acetylenes: Electronic Tuning via Substituent Effects and External Stimuli

    Article • The Journal of Organic Chemistry, January 2017, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  12. Rapid access to substituted 2-naphthyne intermediates via the benzannulation of halogenated silylalkynes

    Article • Chemical Science, January 2017, Royal Society of Chemistry

    Dr. Dan Lehnherr

  13. Tautomerization and Dimerization of 6,13-Disubstituted Derivatives of Pentacene

    Article • Chemistry - A European Journal, October 2016, Wiley

    Dr. Dan Lehnherr

  14. Synthesis, physical properties, and chemistry of donor/acceptor substituted pentacenes

    Article • Canadian Journal of Chemistry, October 2016, Canadian Science Publishing

    Dr. Dan Lehnherr

  15. Mechanism-Guided Development of a Highly Active Bis-thiourea Catalyst for Anion-Abstraction Catalysis

    Article • Journal of the American Chemical Society, October 2016, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  16. Conformational Control of Chiral Amido-Thiourea Catalysts Enables Improved Activity and Enantioselectivity

    Article • Organic Letters, July 2016, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  17. Anion-Abstraction Catalysis: The Cooperative Mechanism of α-Chloroether Activation by Dual Hydrogen-Bond Donors

    Article • ACS Catalysis, July 2016, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  18. On- and Off-Cycle Catalyst Cooperativity in Anion-Binding Catalysis

    Article • Journal of the American Chemical Society, June 2016, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  19. ChemInform Abstract: Regioselective Synthesis of Polyheterohalogenated Naphthalenes via the Benzannulation of Haloalkynes.

    Article • ChemInform, April 2016, Wiley

    Dr. Dan Lehnherr

  20. Solution-based intramolecular singlet fission in cross-conjugated pentacene dimers

    Article • Nanoscale, January 2016, Royal Society of Chemistry

    Dr. Dan Lehnherr

  21. Sequence-defined oligo(ortho-arylene) foldamers derived from the benzannulation of ortho(arylene ethynylene)s

    Article • Chemical Science, January 2016, Royal Society of Chemistry

    Dr. Dan Lehnherr

  22. Inside Cover: Regioselective Synthesis of Polyheterohalogenated Naphthalenes via the Benzannulation of Haloalkynes (Chem. Eur. J. 50/2015)

    Article • Chemistry - A European Journal, November 2015, Wiley

    Dr. Dan Lehnherr

  23. Regioselective Synthesis of Polyheterohalogenated Naphthalenes via the Benzannulation of Haloalkynes

    Article • Chemistry - A European Journal, October 2015, Wiley

    Dr. Dan Lehnherr

  24. Singlet fission in pentacene dimers

    Article • Proceedings of the National Academy of Sciences, April 2015, Proceedings of the National Academy of Sciences

    Dr. Dan Lehnherr

  25. Aryl substitution of pentacenes

    Article • Beilstein Journal of Organic Chemistry, July 2014, Beilstein Institut

    Dr. Dan Lehnherr

  26. Isomerically Pure syn -Anthradithiophenes: Synthesis, Properties, and FET Performance

    Article • Organic Letters, July 2012, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  27. Synthesis and Properties of Isomerically Pure Anthrabisbenzothiophenes

    Article • Organic Letters, January 2012, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  28. Conjugated Oligomers and Polymers Based on Anthracene, Tetracene, Pentacene, Naphthodithiophene, and Anthradithiophene Building Blocks

    Article • Australian Journal of Chemistry, January 2011, CSIRO Publishing

    Dr. Dan Lehnherr

  29. A Modular Synthetic Approach to Conjugated Pentacene Di-, Tri-, and Tetramers

    Article • Angewandte Chemie, July 2010, Wiley

    Dr. Dan Lehnherr

  30. A Modular Synthetic Approach to Conjugated Pentacene Di-, Tri-, and Tetramers

    Article • Angewandte Chemie International Edition, July 2010, Wiley

    Dr. Dan Lehnherr

  31. Oligomers and Polymers Based on Pentacene Building Blocks

    Article • Materials, April 2010, MDPI AG

    Dr. Dan Lehnherr

  32. Pentacene-Based Polycyclic Aromatic Hydrocarbon Dyads with Cofacial Solid-State π-Stacking

    Article • Chemistry - A European Journal, November 2009, Wiley

    Dr. Dan Lehnherr

  33. Pentacene-Based Dendrimers: Synthesis and Thin Film Photoconductivity Measurements of Branched Pentacene Oligomers

    Article • The Journal of Organic Chemistry, July 2009, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  34. ChemInform Abstract: Synthesis of Soluble Oligo- and Polymeric Pentacene-Based Materials.

    Article • ChemInform, March 2009, Wiley

    Dr. Dan Lehnherr

  35. ChemInform Abstract: Exploring Electronically Polarized Pentacenes.

    Article • ChemInform, February 2009, Wiley

    Dr. Dan Lehnherr

  36. Synthesis of soluble oligo- and polymeric pentacene-based materials

    Article • Tetrahedron, December 2008, Elsevier

    Dr. Dan Lehnherr

  37. Synthesis and Electronic Properties of Conjugated Pentacene Dimers

    Article • Organic Letters, November 2008, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  38. Exploring Electronically Polarized Pentacenes

    Article • Organic Letters, October 2008, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  39. Pentacene Oligomers and Polymers:  Functionalization of Pentacene to Afford Mono-, Di-, Tri-, and Polymeric Materials

    Article • Organic Letters, October 2007, American Chemical Society (ACS)

    Dr. Dan Lehnherr

  40. Formal Intramolecular Photoredox Chemistry of Meta-Substituted Benzophenones

    Article • Organic Letters, July 2005, American Chemical Society (ACS)

    Dr. Dan Lehnherr