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Employment (1)

Cornell University: Ithaca, NY, US

1980-07-01 to present (chemistry)
Employment
Source: Self-asserted source
David Collum

Education and qualifications (2)

Columbia University: New York, NY, US

1977-09-01 to 1980-08-01 | MA, MS, PhD (Chemistry)
Education
Source: Self-asserted source
David Collum

Cornell University: Ithaca, NY, US

1973-09-01 to 1977-06-01 | BS (Chemistry)
Education
Source: Self-asserted source
David Collum

Works (28)

Potassium Isopropyl(trimethylsilyl)amide and Potassium tert-Butyl(trimethylsilyl)amide: Solvent-Dependent Solution Structures and Reactivities

Organometallics
2025-03-10 | Journal article
DOI: 10.1021/acs.organomet.5c00013
Contributors: Jesse A. Spivey; David B. Collum
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Crossref

Sodium Alkyl(trimethylsilyl)amides: Substituent- and Solvent-dependent Solution Structures and Reactivities

Journal of the American Chemical Society
2024-11-06 | Journal article
DOI: 10.1021/jacs.4c10836
Contributors: Qiulin You; Yun Ma; Ryan A. Woltornist; Nathan M. Lui; Jesse A. Spivey; Ivan Keresztes; David B. Collum
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Crossref

Potassium Hexamethyldisilazide (KHMDS): Solvent-Dependent Solution Structures

Journal of the American Chemical Society
2024-07-03 | Journal article
DOI: 10.1021/jacs.4c03418
Contributors: Jesse A. Spivey; David B. Collum
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Crossref

Sodiated Oppolzer enolates: solution structures, mechanism of alkylation, and origin of stereoselectivity

Organic Chemistry Frontiers
2023 | Journal article
DOI: 10.1039/D3QO01021J
Contributors: Nathan M. Lui; David B. Collum
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Crossref

Carbon–Nitrogen Bond Formation Using Sodium Hexamethyldisilazide: Solvent-Dependent Reactivities and Mechanisms

Journal of the American Chemical Society
2023-11-01 | Journal article
DOI: 10.1021/jacs.3c07317
Contributors: Qiulin You; David B. Collum
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Crossref

Lithiated Oppolzer Enolates: Solution Structures, Mechanism of Alkylation, and Origin of Stereoselectivity

Journal of the American Chemical Society
2022-12-28 | Journal article
DOI: 10.1021/jacs.2c09341
Contributors: Nathan M. Lui; Samantha N. MacMillan; David B. Collum
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Crossref

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

The Journal of Organic Chemistry
2022-11-04 | Journal article
DOI: 10.1021/acs.joc.2c01745
Contributors: Yun Ma; Nathan M. Lui; Ivan Keresztes; Ryan A. Woltornist; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2021-10-27 | Journal article
DOI: 10.1021/jacs.1c06529
Contributors: Ryan A. Woltornist; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2021-08-25 | Journal article
DOI: 10.1021/jacs.1c06528
Contributors: Yun Ma; Ryan A. Woltornist; Russell F. Algera; David B. Collum
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Crossref

Aggregation and Solvation of Sodium Hexamethyldisilazide: Across the Solvent Spectrum

The Journal of Organic Chemistry
2021-02-05 | Journal article
DOI: 10.1021/acs.joc.0c02546
Contributors: Ryan A. Woltornist; David B. Collum
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Crossref

Sodium Hexamethyldisilazide: Using 15N–29Si Scalar Coupling to Determine Aggregation and Solvation States

Journal of the American Chemical Society
2020-04-15 | Journal article
DOI: 10.1021/jacs.0c00331
Contributors: Ryan A. Woltornist; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2019-10-23 | Journal article
DOI: 10.1021/jacs.9b08176
Contributors: Yuhui Zhou; Ivan Keresztes; Samantha N. MacMillan; David B. Collum
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Crossref

Enantioselective Alkylation of 2-Alkylpyridines Controlled by Organolithium Aggregation

Journal of the American Chemical Society
2019-09-25 | Journal article
DOI: 10.1021/jacs.9b08659
Contributors: Joshua J. Gladfelder; Santanu Ghosh; Maša Podunavac; Andrew W. Cook; Yun Ma; Ryan A. Woltornist; Ivan Keresztes; Trevor W. Hayton; David B. Collum; Armen Zakarian
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Crossref

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

The Journal of Organic Chemistry
2019-09-06 | Journal article
DOI: 10.1021/acs.joc.9b01428
Contributors: Yun Ma; Russell F. Algera; Ryan A. Woltornist; David B. Collum
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Crossref

Wittig Rearrangements of Boron-Based Oxazolidinone Enolates

The Journal of Organic Chemistry
2019-09-06 | Journal article
DOI: 10.1021/acs.joc.9b01426
Contributors: Zirong Zhang; David B. Collum
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Crossref

Aryl Carbamates: Mechanisms of Orthosodiations and Snieckus–Fries Rearrangements

The Journal of Organic Chemistry
2019-07-19 | Journal article
DOI: 10.1021/acs.joc.9b00968
Contributors: Yun Ma; Ryan A. Woltornist; Russell F. Algera; David B. Collum
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Crossref

Pseudoephedrine-Derived Myers Enolates: Structures and Influence of Lithium Chloride on Reactivity and Mechanism

Journal of the American Chemical Society
2019-04-03 | Journal article
DOI: 10.1021/jacs.9b00328
Contributors: Yuhui Zhou; Janis Jermaks; Ivan Keresztes; Samantha N. MacMillan; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2019-01-09 | Journal article
DOI: 10.1021/jacs.8b10364
Contributors: Zirong Zhang; David B. Collum
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Crossref

Case for Lithium Tetramethylpiperidide-Mediated Ortholithiations: Reactivity and Mechanisms

Journal of the American Chemical Society
2018-04-11 | Journal article
DOI: 10.1021/jacs.8b00590
Contributors: Kyle A. Mack; David B. Collum
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Crossref

Lithium Amino Alkoxide–Evans Enolate Mixed Aggregates: Aldol Addition with Matched and Mismatched Stereocontrol

Journal of the American Chemical Society
2018-02-28 | Journal article
DOI: 10.1021/jacs.7b13776
Contributors: Janis Jermaks; Evan H. Tallmadge; Ivan Keresztes; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2017-10-25 | Journal article
DOI: 10.1021/jacs.7b08734
Contributors: Russell F. Algera; Yun Ma; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2017-09-06 | Journal article
DOI: 10.1021/jacs.7b05057
Contributors: Kyle A. Mack; Andrew McClory; Haiming Zhang; Francis Gosselin; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2017-08-23 | Journal article
DOI: 10.1021/jacs.7b05218
Contributors: Russell F. Algera; Yun Ma; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2017-08-09 | Journal article
DOI: 10.1021/jacs.7b05071
Contributors: Beryl X. Li; Diane N. Le; Kyle A. Mack; Andrew McClory; Ngiap-Kie Lim; Theresa Cravillion; Scott Savage; Chong Han; David B. Collum; Haiming Zhang et al.
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Crossref

Evans Enolates: Structures and Mechanisms Underlying the Aldol Addition of Oxazolidinone-Derived Boron Enolates

The Journal of Organic Chemistry
2017-07-21 | Journal article
DOI: 10.1021/acs.joc.7b01365
Contributors: Zirong Zhang; David B. Collum
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Crossref

Sodium Diisopropylamide: Aggregation, Solvation, and Stability

Journal of the American Chemical Society
2017-06-14 | Journal article
DOI: 10.1021/jacs.7b03061
Contributors: Russell F. Algera; Yun Ma; David B. Collum
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Crossref

Lithium Diisopropylamide: Nonequilibrium Kinetics and Lessons Learned about Rate Limitation

The Journal of Organic Chemistry
2017-05-05 | Journal article
DOI: 10.1021/acs.joc.6b03083
Contributors: Russell F. Algera; Lekha Gupta; Alexander C. Hoepker; Jun Liang; Yun Ma; Kanwal J. Singh; David B. Collum
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Crossref

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

Journal of the American Chemical Society
2017-01-25 | Journal article
DOI: 10.1021/jacs.6b11354
Contributors: Gabriel J. Reyes-Rodríguez; Russell F. Algera; David B. Collum
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Crossref

Peer review (14 reviews for 4 publications/grants)

Review activity for Accounts of chemical research. (1)
Review activity for Journal of organic chemistry. (5)
Review activity for Journal of the American Chemical Society. (7)
Review activity for Organometallics. (1)
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