Author

Donald J. Gallagher

Observed name: D. J. GALLAGHER

Institutions: Pfizer (United States), Neurocrine Biosciences (United States)

Observed institutions: University of Illinois Urbana-Champaign, Pfizer (United States), University of Illinois System, Neurocrine Biosciences (United States)

OpenAlex ID: A5111368751

Regioselective, Diastereoselective, and Enantioselective Lithiation−Substitution Sequences: Reaction Pathways and Synthetic Applications

1996 · Peter Beak, Amit Basu, et al. · Accounts of Chemical Research · 582

Chiral Organolithium Complexes: The Effect of Ligand Structure on the Enantioselective Deprotonation of Boc-Pyrrolidine

1995 · Donald J. Gallagher, Shengde Wu, et al. · The Journal of Organic Chemistry · 85

Directed lithiations: the effect of varying directing group orientation on competitive efficiencies for a series of tertiary amide, secondary amide, and alkoxide directed ortho lithiations

1993 · Peter Beak, Shawn T. Kerrick, et al. · Journal of the American Chemical Society · 84

Enantioselective deprotonation: the structure and reactivity of an unsymmetrically complexed isopropyllithium/sparteine/Et2O dimer

1992 · Donald J. Gallagher, Shawn T. Kerrick, et al. · Journal of the American Chemical Society · 84

Complex-Induced Proximity Effects: Evidence for a Prelithiation Complex and a Rate-Determining Deprotonation in the Asymmetric Lithiation of Boc-Pyrrolidine by an i-PrLi/(-)-Sparteine Complex

1995 · Donald J. Gallagher, Peter Beak · The Journal of Organic Chemistry · 67

Pathways for Stereoinformation Transfer: Enhanced Enantioselectivity via Diastereomeric Recycling of Organolithium/(−)-Sparteine Complexes

1996 · Amit Basu, Donald J. Gallagher, et al. · The Journal of Organic Chemistry · 60

Pilot Plant Preparation of an α v β 3 Integrin Antagonist. Part 1. Process Research and Development of a ( S )-β-Amino Acid Ester Intermediate: Synthesis via a Scalable, Diastereoselective Imino-Reformatsky Reaction

2003 · Jerry D. Clark, Gerald A. Weisenburger, et al. · Organic Process Research & Development · 57

Synthetic Applications of the β-Lithiation of β-Aryl Secondary Amides: Diastereoselective and Enantioselective Substitutions

1996 · Gary P. Lutz, Hua Du, et al. · The Journal of Organic Chemistry · 55

Chiral Organolithium Complexes: The Structure of β-Lithiated β-Phenylcarboxamides and the Mechanism of Asymmetric Substitution in the Presence of (−)-Sparteine

1996 · Donald J. Gallagher, Hua Du, et al. · Journal of the American Chemical Society · 51

Is halogen-lithium exchange intramolecularly competitive with removal of an acidic hydrogen? Reinvestigation of a recent claim

1991 · Donald J. Gallagher, Peter Beak · Journal of the American Chemical Society · 32

Selectivities in reactions of organolithium reagents with aryl bromides which bear proton-donating groups

1993 · Peter Beak, Timothy J. Musick, et al. · The Journal of Organic Chemistry · 22

Efficient Synthesis of (2S,3S)-2-Ethyl-3-methylvaleramide Using (1S,2S)-Pseudoephedrine as a Chiral Auxiliary

2009 · Bin-Feng Li, Robert M. Hughes, et al. · Organic Process Research & Development · 21

Pilot-Plant Preparation of an αvβ3 Integrin Antagonist: Process Development of a Carbonyldiimidazole Peptide Coupling

2008 · Gerald A. Weisenburger, D. Keith Anderson, et al. · Organic Process Research & Development · 12

Metalation of cyclopropane rings: a novel trilithiation of a dicyclopropylcarbinol

1991 · Donald J. Gallagher, Curtis G. Garrett, et al. · The Journal of Organic Chemistry · 10

Pilot-Plant Preparation of an αvβ3 Integrin Antagonist. Part 3. Process Research and Development of a Diisopropylcarbodiimide and Catalytic 1-Hydroxybenzotriazole Peptide Coupling

2009 · Jerry D. Clark, D. Keith Anderson, et al. · Organic Process Research & Development · 5

ChemInform Abstract: Regioselective, Diastereoselective, and Enantioselective Lithiation‐ Substitution Sequences: Reaction Pathways and Synthetic Applications

1997 · P. BEAK, A. BASU, et al. · ChemInform

Pathways for Stereoinformation Transfer: Enhanced Enantioselectivity via Diastereomeric Recycling of Organolithium/(−)-Sparteine Complexes

1997 · Amit Basu, Donald J. Gallagher, et al. · The Journal of Organic Chemistry

ChemInform Abstract: Synthetic Applications of the β‐Lithiation of β‐Aryl Secondary Amides: Diastereoselective and Enantioselective Substitutions.

1996 · G. P. LUTZ, H. DU, et al. · ChemInform

Chiral Organolithium Complexes: The Effect of Ligand Structure on the Enantioselective Deprotonation of Boc-Pyrrolidine

1996 · Donald J. Gallagher, Shengde Wu, et al. · The Journal of Organic Chemistry

ChemInform Abstract: Selectivities in Reactions of Organolithium Reagents with Aryl Bromides Which Bear Proton‐Donating Groups.

1994 · P. BEAK, T. J. MUSICK, et al. · ChemInform

ChemInform Abstract: Directed Lithiations: The Effect of Varying Directing Group Orientation on Competitive Efficiencies for a Series of Tertiary Amide, Secondary Amide, and Alkoxide Directed Ortho Lithiations.

1994 · P. BEAK, S. T. KERRICK, et al. · ChemInform

ChemInform Abstract: Enantioselective Deprotonation: The Structure and Reactivity of an Unsymmetrically Complexed Isopropyllithium/Sparteine/Et2O Dimer.

1992 · D. J. GALLAGHER, S. T. KERRICK, et al. · ChemInform

ChemInform Abstract: Is Halogen‐Lithium Exchange Intramolecularly Competitive with Removal of an Acidic Hydrogen? Reinvestigation of a Recent Claim.

1992 · D. J. GALLAGHER, P. BEAK · ChemInform

Studies on directed lithiation: 1. Reactivity studies on alkoxide-directed lithiation reactions. 2. NMR spectroscopic characterization of the solution structure of an asymmetric lithiation reagent

1992 · Donald J. Gallagher · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign)

ChemInform Abstract: Metalation of Cyclopropane Rings: A Novel Trilithiation of a Biscyclopropyl Carbinol.

1991 · D. J. GALLAGHER, C. G. GARRETT, et al. · ChemInform

Works count: 25

Citation count: 1,227

H-index: 12

I10-index: 14