Works (14)

Updated: July 5th, 2023 16:02

2005 patent

Methods of making porphyrins and related compounds with Lewis acids

Washington, DC: U.S. Patent and Trademark Office.

Lianhe Yu; G. Richard Geier; Jonathan Lindsey

Source: NC State University Libraries
Added: August 6, 2018

2004 article

Effects of aldehyde or dipyrromethane substituents on the reaction course leading to meso-substituted porphyrins

Geier, G. R., & Lindsey, J. S. (2004, October 21). Tetrahedron, Vol. 60, pp. 11435–11444.

By: G. Geier n & J. Lindsey n

author keywords: porphyrin; porphyrinogen; dipyrromethane; polypyrromethane; pyrrole; laser desorption mass spectrometry
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Metal-Catalyzed Oxygenation Mechanisms; Surface Chemistry and Catalysis
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 article

Acidolysis of intermediates used in the preparation of core-modified porphyrinic macrocycles

Chevalier, F., Geier, G. R., & Lindsey, J. S. (2002, March 1). Journal of Porphyrins and Phthalocyanines, Vol. 6, pp. 186–197.

By: F. Chevalier n, G. Geier* & J. Lindsey n

author keywords: dipyrromethane; core-modified porphyrin; acid catalysis; oxaporphyrin; thiaporphyrin; selenaporphyrin
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Porphyrin Metabolism and Disorders; Surface Chemistry and Catalysis
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 article

Effects of diverse acid catalysts on the reaction course in the two-step one-flask synthesis of meso-tetraphenylporphyrin

Geier, G. R., & Lindsey, J. S. (2002, March 1). Journal of Porphyrins and Phthalocyanines, Vol. 6, pp. 159–185.

By: G. Geier n & J. Lindsey n

author keywords: porphyrin; tetraphenylporphyrin; acid catalysis; Bronsted acid; Lewis acid; N-confused tetraphenylporphyrin; tetraphenylsapphyrin; pyrromethane; mass spectrometry
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Photosynthetic Processes and Mechanisms; Metal-Catalyzed Oxygenation Mechanisms
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

A survey of acid catalysts in dipyrromethanecarbinol condensations leading to meso-substituted porphyrins

GEIER, G. R. I. C. H. A. R. D., CALLINAN, J. E. N. N. I. F. E. R. B., POLISETTI, D. H. A. R. M. A. R. A. O., & LINDSEY, J. O. N. A. T. H. A. N. S. (2001, December 1). Journal of Porphyrins and Phthalocyanines, Vol. 5, pp. 810–823.

By: G. Geier n, J. Callinan n, D. Polisetti n & J. Lindsey n

author keywords: dipyrromethane; porphyrin; acid catalysis; pyridyl; lanthanide; laser desorption mass spectrometry (LD-MS)
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Porphyrin Metabolism and Disorders; Metal-Catalyzed Oxygenation Mechanisms
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

Investigation of acid cocatalysis in syntheses of tetraphenylporphyrin

Geier, G. R., Riggs, J. A., & Lindsey, J. S. (2001, September 1). Journal of Porphyrins and Phthalocyanines, Vol. 5, pp. 681–690.

By: G. Geier*, J. Riggs & J. Lindsey*

author keywords: acid catalysis; cocatalysis; porphyrin; pyrrole; aldehyde
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Enzyme Catalysis and Immobilization; Organic Chemistry Cycloaddition Reactions
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

Investigation of porphyrin-forming reactions. Part 1. Pyrrole + aldehyde oligomerization in two-step, one-flask syntheses of meso-substituted porphyrins †

Geier, G. R., III, & Lindsey, J. S. (2001, January 1). Journal of the Chemical Society Perkin Transactions 2, pp. 677–686.

By: G. Geier n & J. Lindsey n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Metal-Catalyzed Oxygenation Mechanisms; Surface Chemistry and Catalysis
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

Investigation of porphyrin-forming reactions. Part 2. Examination of the reaction course in two-step, one-flask syntheses of meso-substituted porphyrins †

Geier, G. R., III, & Lindsey, J. S. (2001, January 1). Journal of the Chemical Society Perkin Transactions 2, pp. 687–700.

By: G. Geier n & J. Lindsey n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Porphyrin Metabolism and Disorders; Surface Chemistry and Catalysis
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

Investigation of porphyrin-forming reactions. Part 3. The origin of scrambling in dipyrromethane + aldehyde condensations yielding trans-A2B2-tetraarylporphyrins

Geier, G. R., III, Littler, B. J., & Lindsey, J. S. (2001, January 1). Journal of the Chemical Society Perkin Transactions 2, pp. 701–711.

By: G. Geier n, B. Littler n & J. Lindsey n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Porphyrin Metabolism and Disorders; Heme Oxygenase-1 and Carbon Monoxide
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2001 article

Investigation of porphyrin-forming reactions. Part 4. Examination of the reaction course in syntheses of porphyrins via dipyrromethanecarbinols †

Geier, G. R., III, Littler, B. J., & Lindsey, J. S. (2001, January 1). Journal of the Chemical Society Perkin Transactions 2, pp. 712–718.

By: G. Geier n, B. Littler n & J. Lindsey n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Porphyrin Metabolism and Disorders; Heme Oxygenase-1 and Carbon Monoxide
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2000 article

A Survey of Acid Catalysts for Use in Two-Step, One-Flask Syntheses of Meso-Substituted Porphyrinic Macrocycles

Geier, G. R., Ciringh, Y., Li, F., Haynes, D. M., & Lindsey, J. S. (2000, May 18). Organic Letters, Vol. 2, pp. 1745–1748.

By: G. Geier n, Y. Ciringh n, F. Li n, D. Haynes n & J. Lindsey n

MeSH headings : Acids, Noncarboxylic / chemistry; Aldehydes / chemistry; Catalysis; Porphyrins / chemical synthesis; Pyrroles / chemistry
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Metal-Catalyzed Oxygenation Mechanisms; Surface Chemistry and Catalysis
TL;DR: The scope of acid catalysis was found to be very broad, with 35 of 45 acids providing TPP in yields ranging from 5% to 58%. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2000 article

Efficient Synthesis of Monoacyl Dipyrromethanes and Their Use in the Preparation of Sterically Unhindered trans-Porphyrins

Rao, P. D., Littler, B. J., Geier, G. R., & Lindsey, J. S. (2000, January 28). The Journal of Organic Chemistry, Vol. 65, pp. 1084–1092.

By: P. Rao n, B. Littler n, G. Geier n & J. Lindsey n

MeSH headings : Acylation; Magnetic Resonance Spectroscopy; Methane / analogs & derivatives; Methane / chemical synthesis; Methane / chemistry; Methane / metabolism; Molecular Structure; Porphyrins / chemical synthesis; Porphyrins / chemistry; Porphyrins / metabolism; Pyrroles / chemical synthesis; Pyrroles / chemistry; Pyrroles / metabolism; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Luminescence and Fluorescent Materials; Supramolecular Chemistry and Complexes
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 article

An Efficient One-Flask Synthesis of N-Confused Tetraphenylporphyrin

Geier, G. R., Haynes, D. M., & Lindsey, J. S. (1999, September 29). Organic Letters, Vol. 1, pp. 1455–1458.

By: G. Geier n, D. Haynes n & J. Lindsey n

MeSH headings : Chromatography, High Pressure Liquid; Porphyrins / chemical synthesis
topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Luminescence and Fluorescent Materials; Photosynthetic Processes and Mechanisms
TL;DR: It is found that methanesulfonic acid catalyzed condensation of pyrrole and benzaldehyde followed by DDQ oxidation provides N-confused tetraphenylporphyrin (NC-TPP) in up to 39% yield in analytical scale experiments. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

1999 article

N-Confused Tetraphenylporphyrin and Tetraphenylsapphyrin Formation in One-Flask Syntheses of Tetraphenylporphyrin

Geier, G. R., & Lindsey, J. S. (1999, February 17). The Journal of Organic Chemistry, Vol. 64, pp. 1596–1603.

By: G. Geier n & J. Lindsey n

topics (OpenAlex): Porphyrin and Phthalocyanine Chemistry; Photosynthetic Processes and Mechanisms; Surface Chemistry and Catalysis
TL;DR: The studies indicate that the scope of conditions yielding NC-TPP is extremely broad, and makes for straightforward isolation of the purified porphyrin devoid of contaminating N-confused porphyrsin. (via Semantic Scholar)
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6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

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