Publications

NTU

Double-Bond Saturation During Acid-Mediated Intramolecular Electrophilic C-H Borylation of 2-(Naphthalen-1-yl)vinyl N-Heterocyclic Carbene-Boranes

Chuang, P.-Y.; Liu, Y.-H.; Farrell, J. M. Can. J. Chem. 2025, in press.

Contributed to Special Issue: Topics at the 20th International Symposium on Novel Aromatic Compounds.

C-C bond-forming reactions of 2-isocyanobiphenyl•BX₃ adducts: spontaneous construction of polycyclic heteroaromatics

Kuo, Y.-T.; Yao, C.-H.; Liu, Y.-H.; Cheng, M.-J.; Farrell, J. M. Dalton Trans. 2025, 54, 7189-7193.

Highlighted on Front Cover of Dalton Transactions, Volume 54, Issue 18.

Metal-free alkyne annulation enabling π-extension of boron-doped polycyclic aromatic hydrocarbons

Anitha, M.; Chin, T.-J.; Liu, G.-C.; Hsieh, C.-T.; Wang, K.-H.; Li, S.-L.; Cheng, M.-J.; Farrell, J. M. Chem. Sci. 2024, 15, 16210-16215.

Highlighted in SYNFACTS 2025; 21(01), 29.

Prior to NTU

Triple para-substitution reactions of B(C₆F₅)₃ and [(C₆F₅)₃PF]+ with P(SiMe₃)₃

Thomson, J.; Michailovich, S.; Miao, L.; Farrell, J. M.; Murray, J. A.; Lough, A.; Stephan, D. W. Dalton Trans. 2024, 53, 5775-5778.

Diboraperylene Diborinic Acid Self-Assembly on Ag(111)—Kagome Flat Band Localized States Imaged by Scanning Tunneling Microscopy and Spectroscopy

Pan, W.-C.; Mützel, C.; Haldar, S.; Hohmann, H.; Heinze, S.; Farrell, J. M.; Thomale, R.; Bode, M.; Würthner, F.; Qi. J. Angew. Chem. Int. Ed. 2024, 61, e2021157.

12b,24b-Diborahexabenzo‍[a,c,fg,l,n,qr]‍pentacene: A Low-LUMO Boron-Doped Polycyclic Aromatic Hydrocarbon

Mützel, C.; Farrell, J. M.; Shoyama, K.; Würthner, F. Angew. Chem. Int. Ed. 2022, 61, e2021157.

PAHs Containing both Heptagon and Pentagon: Corannulene Extension by [5+2] Annulation

Schnitzlein, M.; Mützel, C.; Shoyama, K.; Farrell, J. M.; Würthner, F. Eur. J. Org. Chem. 2022, e202101273.

Reactions of Carbene-Stabilized Borenium Cations

Lam, J.; Cao, L. L.; Farrell, J. M.; Stephan, D. W. Dalton Trans. 2020, 49, 1839-1846.

A Highly Warped Heptagon-Containing sp² Carbon Scaffold via Vinylnaphthyl π-Extension

Farrell, J. M.; Grande, V.; Schmidt, D.; Würthner, F. Angew. Chem. Int. Ed. 2019, 58, 16504-16507.

Tunable Low-LUMO Boron-Doped Polycyclic Aromatic Hydrocarbons by General One-Pot C–H Borylations

Farrell, J. M.; Mützel, C.; Bialas, D.; Rudolf, M.; Menekse, K.; Krause, A.-M.; Stolte, M.; Würthner, F. J. Am. Chem. Soc. 2019, 141, 9096-9104.

Synthesis of a Doubly Boron-Doped Perylene through NHC-Borenium Hydroboration/C−H Borylation/ Dehydrogenation

Farrell, J. M.; Schmidt, D.; Grande, V.; Würthner, F. Angew. Chem. Int. Ed. 2017, 56, 11846-11850.

Chiral carbene–borane adducts: precursors for borenium catalysts for asymmetric FLP hydrogenations

Lam, J.; Günther, B. A. R.; Farrell, J. M.; Eisenberger, P.; Bestvater, B. P.; Newman, P. D.; Melen, R. L.; Crudden, C. M.; Stephan, D. W. Dalton Trans. 2016, 45, 15303-15316.

Synthesis of a diboryl-N-heterocycle and its conversion to a bidentate cationic Lewis acid

Farrell, J. M.; Stephan, D. W. Chem. Commun. 2015, 51, 14322-14325.

Planar N-Heterocyclic Carbene Diarylborenium Ions: Synthesis by Cationic Borylation and Reactivity with Lewis Bases

Farrell, J. M.; Stephan, D. W. Angew. Chem. Int. Ed. 2015, 54, 5214-5217.

A family of N-heterocyclic carbene-stabilized borenium ions for metal-free imine hydrogenation catalysis

Farrell, J. M.; Posaratnanathan, R. T.; Stephan, D. W. Chem. Sci. 2015, 6, 2010-2015.

Activation of Hydrogen and Hydrogenation Catalysis by a Borenium Cation

Farrell, J. M.; Hatnean, J. H.; Stephan, D. W. J. Am. Chem. Soc. 2012, 134, 15728-15731. (Highlighted in Chemical and Engineering News, October 15, 2012. Volume 90 Issue 42, page 32.)

Metal-Free Transfer Hydrogenation Catalysis by B(C₆F₅)₃

Farrell, J. M.; Heiden, Z. M.; Stephan, D. W. Organometallics 2011, 30, 4497-4500.

Metal-Free Catalytic Hydrogenation of Polar Substrates by Frustrated Lewis Pairs

Stephan, D. W.; Greenberg, S.; Graham, T. W.; Chase, P.; Hastie, J. J.; Geier, S. J.; Farrell, J. M.; Brown, C. C.; Heiden, Z. M.; Welch, G. C.; Ullrich, M. Inorg. Chem. 2011, 50, 12338-12348.

Ionic Liquid Complexes for Metal Extractions and Biphasic Catalysis

Naik, P. U.; Trider, C. L.; Farrell, J.; Singer, R. D. in “Ionic Liquids: From Knowledge to Application,” ACS Symposium Series 2010, 1030, 239-253.

Further Investigation of the Biodegradability of Imidazolium Ionic Liquids

Harjani, J. R.; Farrell, J.; Garcia, M. T.; Singer R. D.; and Scammells, P. J Green Chem. 2009, 11, 821-829.