G. Richard Geier III
Assistant Professor of Chemistry

B.A. (Chemistry, Biology) 1992, Luther College Ph.D. (Chemistry) 1997, University of Washington Email: ggeier@mail.colgate.edu (315) 228-6795

Teaching Interests: Organic Chemistry, Molecular Nanotechnology

Research Interests: The development of synthetic methodology for the preparation of a variety of porphyrinic macrocycles, and the investigation of methodology for the derivatization of carbon nanotubes. Detailed descriptions of current research projects are available.

Selected Publications

• Geier, G. R., III; Grindrod, S. C.,* “Meso-Substituted [34]Octaphyrin(1.1.1.0.1.1.1.0) and Corrole Formation in Reactions of a Dipyrromethanedicarbinol with 2,2'-Bipyrrole,” J. Org. Chem. 2004, 69, 6404-6412.
• Geier, G. R, III; Chick, J. F. B; * Callinan, J. B.; * Reid, C. G.; * Auguscinski, W. P., * “A Survey of Acid Catalysis and Oxidation Conditions in the Two-Step, One-Flask Synthesis of meso-Substituted Corroles via Dipyrromethane-Dicarbinols and Pyrrole,” J. Org. Chem. 2004, 69, 4159-4169.
• Geier, G. R., III; Lindsey, J. S. “Effects of Diverse Acid Catalysts on the Reaction Course in the Two-Step One-Flask Synthesis of meso-Tetraphenylporphyrin,” J. Porphyrins Phthalocyanines, 2002, 6, 159-185.
• Chevalier, F.; Geier, G. R., III; Lindsey, J. S. “Acidolysis of Intermediates Used in the Preparation of Core-Modified Porphyrinic Macrocycles,” J. Porphyrins Phthalocyanines, 2002, 6, 186-197.
• Geier, G. R., III; Callinan, J. B.;* Rao, D. P.; Lindsey, J. S. “A Survey of Acid Catalysts in Dipyrromethanecarbinol Condensations Leading to meso-Substituted Porphyrins,” J. Porphyrins Phthalocyanines, 2001, 5, 810-823.
• Geier, G. R., III; Riggs, J. A.; Lindsey, J. S. “Investigation of Acid Cocatalysis in Syntheses of Tetraphenylporphyrin,” J. Porphyrins Phthalocyanines, 2001, 5, 681-690.
• Geier, G. R., III; Lindsey, J. S. “Investigation of Porphyrin-Forming Reactions. Part 1. Pyrrole + Aldehyde Oligomerization in Two-Step, One-Flask Syntheses of meso-Substituted Porphyrins,” J. Chem. Soc., Perkin Trans. 2 2001, 677-686.
• Geier, G. R., III; Lindsey, J. S. “Investigation of Porphyrin-Forming Reactions. Part 2. Examination of the Reaction Course in Two-Step, One-Flask Syntheses of meso-Substituted Porphyrins,” J. Chem. Soc., Perkin Trans. 2 2001, 687-700.
• Geier, G. R., III; Littler, B. J.; Lindsey, J. S. “Investigation of Porphyrin-Forming Reactions. Part 3. The Origin of Scrambling in Dipyrromethane + Aldehyde Condensations Yielding trans-A₂B₂-Tetraarylporphyrins,” J. Chem. Soc., Perkin Trans. 2 2001, 701-711.

Asterisks indicate undergraduate student co-authors who conducted their research in collaboration with a faculty member at Colgate.

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