D. Collum

发表

Total synthesis and stereochemistry of (+)-phyllanthocindiol

P. McGuirk, D. Collum, 1984 .

Sodium Diisopropylamide-Mediated Dehydrohalogenations: Influence of Primary- and Secondary-Shell Solvation

D. B. Collum, Yun Ma, Russell F. Algera, 2019, The Journal of organic chemistry.

Sodium Diisopropylamide in N,N-Dimethylethylamine: Reactivity, Selectivity, and Synthetic Utility.

D. B. Collum, Yun Ma, Russell F. Algera, 2016, The Journal of organic chemistry.

Method of continuous variations: applications of job plots to the study of molecular associations in organometallic chemistry.

D. B. Collum, J. Renny, Laura L. Tomasevich, 2013, Angewandte Chemie.

Highly Stereoselective Synthesis of Tetrasubstituted Acyclic All-Carbon Olefins via Enol Tosylation and Suzuki-Miyaura Coupling.

F. Gosselin, D. B. Collum, Chong Han, 2017, Journal of the American Chemical Society.

Ortholithiation of Anisole by n-BuLi-TMEDA: Reaction via Disolvated Dimers

D. B. Collum, R. Rennels, and Ashok J. Maliakal, 1998 .

Structure and reactivity of lithium amides. Lithium-6, carbon-13, and nitrogen-15 NMR spectroscopic studies and colligative measurements of lithium diphenylamide and lithium diphenylamide-lithium bromide complex solvated by tetrahydrofuran

D. B. Collum, Jeffrey S Depue, D. Collum, 1988 .

Lithium Hexamethyldisilazide: A View of Lithium Ion Solvation Through a Glass-Bottom Boat

B. Lucht, D. B. Collum, D. Collum, 1999 .

Kinetic cyanations of ketone enolates

D. Kahne, D. B. Collum, D. Collum, 1982 .

Method of Continuous Variation: Characterization of Alkali Metal Enolates Using 1H and 19F NMR Spectroscopies

D. B. Collum, Laura L. Tomasevich, D. Collum, 2014, Journal of the American Chemical Society.

Lithium phenolates solvated by tetrahydrofuran and 1,2-dimethoxyethane: structure determination using the method of continuous variation.

A. Goswami, L. Liou, D. B. Collum, 2009, Journal of the American Chemical Society.

Is N,N,N',N'-tetramethylethylenediamine a good ligand for lithium?

D. B. Collum, D. Collum, 1992 .

n-Butyllithium/N,N,N',N'-tetramethylethylenediamine-mediated ortholithiations of aryl oxazolines: substrate-dependent mechanisms.

Antonio Ramirez, D. B. Collum, L. Gupta, 2007, Journal of the American Chemical Society.

Synthesis of alternating hydroxy- and methyl-substituted hydrocarbons by oxymercuration of cyclopropylcarbinols

W. C. Still, F. Mohamadi, D. B. Collum, 1986 .

Lithium Hexamethyldisilazide-Mediated Enolization of Highly Substituted Aryl Ketones: Structural and Mechanistic Basis of the E/Z Selectivities.

F. Gosselin, D. B. Collum, A. McClory, 2017, Journal of the American Chemical Society.

Structure determination using the method of continuous variation: lithium phenolates solvated by protic and dipolar aprotic ligands.

D. B. Collum, Laura L. Tomasevich, D. Collum, 2013, The Journal of organic chemistry.

Lithium enolates of simple ketones: structure determination using the method of continuous variation.

Antonio Ramirez, A. McNeil, L. Liou, 2008, Journal of the American Chemical Society.

Solid-state and solution studies of lithiated 2-carbomethoxycyclohexanone dimethylhydrazone and lithiated cyclohexanone phenylimine

J. Clardy, G. Duyne, D. B. Collum, 1986 .

SYNTHESIS OF THE POLYETHER ANTIBIOTIC MONENSIN. 3. COUPLING OF PRECURSORS AND D TRANSFORMATION TO MONENSIN

W. C. Still, D. B. Collum, J. H. Mcdonald, 2002 .

Synthesis of the polyether antibiotic monensin. 3. Coupling of precursors and transformation to monensin

W. C. Still, D. B. Collum, J. H. Mcdonald, 1980 .

Synthesis of the polyether antibiotic monensin. 1. Strategy and degradations

W. C. Still, D. B. Collum, J. H. Mcdonald, 1980 .

Synthesis of the polyether antibiotic monensin. 2. Preparation of intermediates

W. C. Still, D. B. Collum, J. H. Mcdonald, 1980 .

Sodium Isopropyl(trimethylsilyl)amide: A Stable and Highly Soluble Lithium Diisopropylamide Mimic.

I. Keresztes, D. B. Collum, Yun Ma, 2022, The Journal of organic chemistry.

Ketone Enolization with Sodium Hexamethyldisilazide: Solvent- and Substrate-Dependent E-Z Selectivity and Affiliated Mechanisms.

D. B. Collum, Ryan A. Woltornist, D. Collum, 2021, Journal of the American Chemical Society.

Reactions of Sodium Diisopropylamide: Liquid-Phase and Solid-Liquid Phase-Transfer Catalysis by N,N,N',N″,N″-Pentamethyldiethylenetriamine.

D. B. Collum, Yun Ma, Russell F. Algera, 2021, Journal of the American Chemical Society.

Aggregation and Solvation of Sodium Hexamethyldisilazide: Across the Solvent Spectrum.

D. B. Collum, Ryan A. Woltornist, D. Collum, 2021, The Journal of organic chemistry.

Disodium Salts of Pseudoephedrine-Derived Myers Enolates: Stereoselectivity and Mechanism of Alkylation.

I. Keresztes, S. MacMillan, D. B. Collum, 2019, Journal of the American Chemical Society.

Aryl Carbamates: Mechanisms of Orthosodiations and Snieckus-Fries Rearrangements.

D. B. Collum, Yun Ma, Russell F. Algera, 2019, The Journal of organic chemistry.

Structures and Reactivities of Sodiated Evans Enolates: Role of Solvation and Mixed Aggregation on the Stereochemistry and Mechanism of Alkylations.

D. B. Collum, Zirong Zhang, D. Collum, 2018, Journal of the American Chemical Society.

Sodium Diisopropylamide in Tetrahydrofuran: Selectivities, Rates, and Mechanisms of Arene Metalations.

D. B. Collum, Yun Ma, Russell F. Algera, 2017, Journal of the American Chemical Society.

Sodium Diisopropylamide in Tetrahydrofuran: Selectivities, Rates, and Mechanisms of Alkene Isomerizations and Diene Metalations.

D. B. Collum, Yun Ma, Russell F. Algera, 2017, Journal of the American Chemical Society.

LITHIUM ION SOLVATION : AMINE AND UNSATURATED HYDROCARBON SOLVATES OF LITHIUM HEXAMETHYLDISILAZIDE (LIHMDS)

B. Lucht, D. B. Collum, D. Collum, 1996 .

Structure of Lithium Hexamethyldisilazide (LiHMDS): Spectroscopic Study of Ethereal Solvation in the Slow-Exchange Limit

B. Lucht, D. B. Collum, D. Collum, 1994 .

Structure and Reactivity of Lithium Diisopropylamide Solvated by Polyamines: Evidence of Monomer- and Dimer-Based Dehydrohalogenations

J. Remenar, D. B. Collum, D. Collum, 1998 .

Regioselective lithium diisopropylamide-mediated ortholithiation of 1-chloro-3-(trifluoromethyl)benzene: role of autocatalysis, lithium chloride catalysis, and reversibility.

D. B. Collum, Yun Ma, Alexander C. Hoepker, 2011, Journal of the American Chemical Society.

Structure of Lithium 2,2,6,6-Tetramethylpiperidine (LiTMP) and Lithium 2,2,4,6,6-Pentamethylpiperidide (LiPMP) in Hydrocarbon Solution: Assignment of Cyclic Trimer and Tetramer Conformational Isomers

B. Lucht, D. B. Collum, D. Collum, 1994 .

Experimental characterization and computational study of unique C,N-chelated lithium dianions.

R. Sarpong, D. B. Collum, J. Gruver, 2010, Journal of the American Chemical Society.

Lithium hexamethyldisilazide-mediated enolizations: influence of triethylamine on E/Z selectivities and enolate reactivities.

D. B. Collum, Peter F Godenschwager, D. Collum, 2008, Journal of the American Chemical Society.

Structure and reactivity of lithium diisopropylamide (LDA). The consequences of aggregation and solvation during the metalation of an N,N-dimethylhydrazone

D. B. Collum, A. S. Galiano-Roth, D. Collum, 1989 .

Are n-BuLi/TMEDA-Mediated Arene Ortholithiations Directed? Substituent-Dependent Rates, Substituent-Independent Mechanisms

D. B. Collum, J. L. Rutherford, R. Rennels, 2000 .

Sodium Diisopropylamide: Aggregation, Solvation, and Stability.

D. B. Collum, Yun Ma, Russell F. Algera, 2017, Journal of the American Chemical Society.

Lithium diisopropylamide: solution kinetics and implications for organic synthesis.

Antonio Ramirez, A. McNeil, D. Collum, 2007, Angewandte Chemie.

Effects of lithium salts on the stereochemistry of ketone enolization by lithium 2,2,6,6-tetramethylpiperidide (LiTMP). A convenient method for highly E-selective enolate formation

D. B. Collum, J. H. Gilchrist, P. L. Hall, 1991 .

1,4-addition of lithium diisopropylamide to unsaturated esters: role of rate-limiting deaggregation, autocatalysis, lithium chloride catalysis, and other mixed aggregation effects.

D. B. Collum, Yun Ma, Alexander C. Hoepker, 2010, Journal of the American Chemical Society.

Lithium diisopropylamide-mediated ortholithiations: lithium chloride catalysis.

K. Singh, D. B. Collum, Alexander C. Hoepker, 2009, The Journal of organic chemistry.

Lithium Hexamethyldisilazide-Mediated Enolization of Acylated Oxazolidinones: Solvent, Cosolvent, and Isotope Effects on Competing Monomer- and Dimer-Based Pathways.

D. B. Collum, Gabriel J Reyes-Rodríguez, Russell F. Algera, 2017, Journal of the American Chemical Society.

Diastereoselective alkylation of beta-amino esters: structural and rate studies reveal alkylations of hexameric lithium enolates.

T. A. Ayers, A. McNeil, S. Gruner, 2004, Journal of the American Chemical Society.

Palladium-catalyzed stille couplings of aryl-, vinyl-, and alkyltrichlorostannanes in aqueous solution

D. B. Collum, K. Aubrecht, R. Rai, 1995 .

Enantioselective Alkylation of 2-Alkyl Pyridines Controlled by Organolithium Aggregation.

I. Keresztes, A. Zakarian, Trevor W. Hayton, 2019, Journal of the American Chemical Society.