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1. W.T. Miller, M.B. Freedman, J.H. Fried and H. F. Koch,
"Electrophilic Reactions of Argentous and Mercuric Fluorides with Fluoroolefins
and Hydrogen Fluoride" J. Am. Chem. Soc. 1961, 83, 4105-4106.
2. A. Streitweiser and H. F. Koch, "Acidity of Hydrocarbons
X. Exchange Rates of Ring-Substitutes Toluene-a-t's with Lithium Cyclohexylamide
in Cyclohexylamine" J. Am. Chem. Soc. 1964, 86, 404-409.
3. H. F. Koch and A. J. Kielbania, "Nucleophilic
Reactions of Fluoroolefins: Evidence for a Carbanion Intermediate in Vinyl and
Allyl Displacement Reactions" J. Am. Chem. Soc. 1970, 92,
729-730.
4. H. F. Koch, D. B. Dahlberg, A. G. Toczko and
R. L. Solsky, "Kinetic Arguments for the Existence of Hydrogen-Bonded
Carbanion Interemediates During Dehydrohalogenation Reactions of C6H5CHClCF2Y"
J. Am. Chem. Soc. 1973, 95, 2029-2030.
5. H. F. Koch, D. B. Dahlberg, M. F. McEntee and
C. J. Klecha, "Use of Kinetic Isotope Effects in Mechanism Studies. Anomalous
Arrhenius Parameters in the Study if Elimination Reactions" J. Am. Chem.
Soc. 1976, 98, 1060-1061.
6. H. F. Koch and D. B. Dahlberg, "Use of Kinetic Isotope
Effects in Mechanism Studies. The Effect of an Internal Return Mechanism on
the the Arrhenius Behavior of Primary Hydrogen Isotope Effects" J. Am. Chem.
Soc. 1980, 102, 6102-6107.
7. H. F. Koch, J. G. Koch, W. Tumas, D.J. McLennan,
B. Dobson and G. Lodder, "Use of Kinetic Isotope Effects in Mechanism Studies.
3. Measurement of Hydrogen Isotope Effects on the Primary Chlorine Isotope Effect
During Elimination Reactions" J. Am. Chem. Soc. 1980, 102,
7955-7956.
8. D. J. Burton, A. L. Anderson, R. Takei, H. F. Koch
and T. L. Shih, "The Preparaion of a-Halo-b,b-Difluorostyrenes" J.
Fluorine Chemistry 1980, 16, 229-235.
9. H. F. Koch, J. G. Koch, D. B. Donovan, A. G. Toczko
and A. J. Kielbania, "Proton-Transfer Reacctions. 1. The Partitioning
of Carbanion Intermediates Generated by Reactions of Alkenes with Alkoxide Ions
in Alcohol" J. Am. Chem. Soc. 1981, 103, 5417-5423.
10. H. F. Koch, W. Tumas, and R. Knoll,
"Proton-Transfer Reactions. 2. The Effects of Internal Return on Reactivity
Difference Between Alkoxide Promoted Eliminations in t-Butanol and Ethanol"
J. Am. Chem. Soc. 1981, 103, 5423-5429.
11. H. F. Koch, J. G. Koch, W. Tumas, B. Dobson
and N. H. Koch, "Use of Kinetic Isotope Effects in Mechanism Studies.
4. Chlorine Isotope Effects Associated with Alkoxide-Promoted Dehydrochlorination
Reactions" J. Am. Chem. Soc. 1983, 105, 1930-1937.
12. H. F. Koch, J. G. Koch, N. H. Koch, and A.
S. Koch, "Proton-Transfer Reactions. 3. Differences in the Protonation of
Lacalized and Delocalized Carbanion Intermediates" J. Am. Chem. Soc.
1983, 105, 2388-2393.
13. H. F. Koch, D. B. Dahlberg, G. Lodder, K. S.
Root, N. A. Touchette, R. L. Solsky, R. M. Zuck, L.
J. Wagner, N. H. Koch and M. A. Kuzemko, "Proton-Transfer
Reactions. 4. Near Unity Kinetic Isotope Effects for Hydron Exchange and Dehydrofluorination
Reactions" J. Am. Chem. Soc. 1983, 105, 2394-2398.
14. H. F. Koch, "Proton-Transfer Reactions Between Carbon
and Oxygen" Acc. Chem. Res. 1984, 17, 137-144.
15. H. F. Koch and A. S. Koch, "Proton-Transfer
Reactions. 5. An Observed Primary Kinetic Isotope Effect that Increases with
Increasing Temperature" J. Am. Chem. Soc. 1984, 106, 4536-4539.
16. H. F. Koch, "Reactions of Hydrogen-Bonded Carbanion
Intermediates" in "Fundamentals of Carbanion Chemistry", ed. E. Buncel and T.
Durst, Elsevier, Amsterdam, 1988.
17. H. F. Koch and J. G. Koch, "Partitioning of Carbanion
Intermediates Generated in Alcoholic Media" in "Reactivity and Mechanism in
Fluorine Chemistry" ed. J.F. Liebman, A. Greenberg and W.R. Dolbier, VCH, NYC,
1989.
18. H. F. Koch and G. Lodder, "Isotope and Element Effects
Associated with Hydron-Transfer Steps During Methoxide-Promoted Dehydrohalogenation
Reactions" Atual. Fis-Quom. Org. 1995, 233-247.
19. C.Galli, A. Guarnieri, H. F. Koch, P. Mencarelli
and Z. Rappoport, "Effect of Substituents on the Structure of the Vinyl Radical:
Calculations and Experiments" J. Org. Chem. 1997, 62, 4072-4077.
20. A. S. Koch, H. F. Koch and G. Lodder, "An International
Collaborative Undergraduate Research Program between Ithaca College and Leiden
University" J. Chem. Ed. 1997, 74, 1158.
21. H. Zuilhof, G. Lodder and H. F. Koch, "Carbon-Oxygen
Hydrogen Bonding in Dehydrohalogen-ation Reactions. PM3 Calculations on Polyhalogenated
Phenylethane Derivatives" J. Org. Chem. 1997, 62, 7457.
22. H. F. Koch, G. Lodder, J. G. Koch, D. J. Bogdan,
G. H. Brown, C. A. Carlson, A. B. Dean, R. Hage,
P. Han, J. C. P. Hopman, L. A. James, P. M. Knape,
E. C. Roos, M. L. Sardina, R. A. Sawyer, B. O. Scott,
C. A. Testa, III, and S. D. Wickham, "Use of Kinetic Isotope Effects
in Mechanism Studies: 5. Isotope and Element Effects Associated with Hydron-Transfer
Steps During Alkoxide-Promoted Dehydrohalogenations" J. Am. Chem. Soc.
1997, 118, 9965.
23. H. F. Koch, M. Mishima and H. Zuilhof, "Proton Transfer
Between Carbon Acids and Methoxide: Studies in Methanol, the Gas Phase and Ab
Initio MO Calculations." Ber. Bunsenges. Phys. Chem. 1998,
102, 567-572.
24. H. F. Koch, J. C. Biffinger, M. Mishima, Mustanir
and G. Lodder, "Comparison of Gacid, Gas Phase, and Kinetic Acidities
Measured in Methanolic Sodium Methoxide" J. Phys. Org. Chem. 1998,
11, 614-617.
H. F. Koch "International Cooperative Research" 5th Council on Undergraduate
Research Conference, Bates College, 23-25 June, 1994.
H. F. Koch "Proton Transfer Between Carbon and Oxygen" 2nd Heron Island Conference
on Unusual Molecules and Reactive Intermediates, Heron Island, Australia, 8-14
July, 1994.
H. F. Koch and G. Lodder "Isotope and Element Effects Associated with Hydron-Transfer
Steps During Methoxide-Promoted Dehydrohalogenation Reactions" 3rd Latin American
Conference on Physical Organic Chemistry, Florianopolis, Brazil, 10-14 April,
1995.
H. F. Koch and C. A Testa "Activation Entropies Associated with Alkoxide-Promoted
Exchange and Elimination Reaction" 6th Kyushu International Symposium on Physical
Organic Chemistry, Kyushu University, Fukuoka, Japan, 25-28 July, 1995.
H. F. Koch, J. C. Biffinger, M. Mishima and G. Lodder "Comparison of
Gacid, Gas Phase, and Kinetic Acidities Measured in Methanolic Sodium
Methoxide" 6th European Symposium on Organic Reactivity, Universite Catholique
de Louvain, Louvain-La-Neuve, Belgium, 24-29 July, 1997.
H. F. Koch, M. Mishima and H. Zuilhof "Proton Transfer Between Carbon Acids
and Methoxide: Studies in Methanol, the Gas Phase and by Ab Initio
MO Calculations" Deitsche Bunsen-Gesellschaft fur Physikalische Chemie, International
Discussion Meeting, Free University Berlin, Berlin, Germany, 10-13 September,
1997.
H. F. Koch "Undergraduate Resaerch at Liberal Arts Colleges: Getting it Started
and Keeping it Sustained" 31st Annual Meeting of the Middle Atlantic Association
of Liberal Arts Chemistry Teachers, Washington College, Chestertown, MD, 10-11
October, 1997.
H. F. Koch "Thirty Years of a Unified Laboratory Program at Ithaca College"
Symposium on Integrated Laboratories, 5th Chemical Congress of North America,
Cancun, Mexico, 11-15 November, 1997.
H. F. Koch, M. Mishima and H. Zuilhof "Proton Transfer Between Carbon Acids
and Methoxide: Studies in Methanol, the Gas Phase and by Ab Initio
Molecular Orbital Calculations" 7th Kyushu International Symposium on Physical
Organic Chemistry, Kyushu University, Fukuoka, Japan, 2-5 December, 1997.
H. F. Koch, M. Mishima and H. Zuilhof "Proton Transfer Between Carbon and Oxygen:
in Methanol, in the Gas Phase and by Ab Initio Calculations" Poster
presentation, 1998 Reaction Mechanisms Conference, Asilimar Conference Center,
Pacific Grove, CA, 28 June-3 July, 1998.
H. F. Koch, Q. T. Trang and M. Mishima "Differences in the Partitioning
of Fluorenyl and Benzylic Anions in Methanol" 12th European Symposium on Fluorine
Chemistry, Free University Berlin, Berlin, Germany, 29 August-2 September, 1998.
H. F. Koch, J. M. Nichols, E. L. Ruggles, M. van
Laren, A.-M. van Roon, M. Mishima and H. Zuilhof "Comparison of Methanolic
Sodium Methoxide-Promoted Dehydrohalogenation and Exchange Reactions That are
Initiated at the Benzylic vs. 9-Fluorenyl Positions" 7th European Symposium
on Organic Reactivity, University of Ulm, Ulm, Germany, 22-27 August, 1999.
H. F. Koch, V. F. DeTuri, N. M. Abrams, J. M. Nichols, M. Mishima,
Mustinar, H. Zuilhof and G. Lodder "Proton Transfer Between Carbon Acids and
Methoxide: Further Studies in the Gas Phase, by Ab Initio Molecular
Orbital Calculations and in Mehtanol" 8th Kyushu International Symposium on
Physical Organic Chemistry, Kyushu University, Fukuoka, Japan, 28 September-1
October, 1999.
Posters and Oral presentations by students
M. Sardina and H. F. Koch [oral] "Isotope and Element Effects Associated
with Methoxide-Promoted Dehydrohalogenation Reactions" Eastern Colleges Science
Conference, Pittsburg, PA, 22-23 April, 1994.
E. L. Ruggles, G.A. Lemieux and H. F. Koch "Methanolic Methoxide-Promoted
Dehydro-fluorination Reactions" North East Regional Meeting of the ACS, Burlington,
VT, 28-30 June, 1994.
C. A. Carlson and H. F. Koch "Hydrogen Isotope Effects Associated with
Hydron Transfer from Methanol to Carbanions" North East Regional Meeting of
the ACS, Burlington, VT, 28-30 June, 1994.
M. L. Sardina and H. F. Koch "The Effect of -Halogens on Proton-Transfer
Associated with Methoxide-Promoted Dehydrohalogenation Reactions" XXth National
Conference on Undergraduate Research, Union College, 20-22 April, 1995.
J. C. Biffinger, Q. T. Trang, H. F. Koch, M. Mishima and G. Lodder
"Comparison of Gas Phase Acidities and Kinetic Acidities in Methanolic Sodium
Methoxide" 1st Council on Undergraduate Research Poster Session for Congress,
Washington, DC, 10 April, 1997.
J. C. Biffinger, H. F. Koch, M. Mishima and G. Lodder "Comparison of
Gas Phase Acidities and Kinetic Acidities in Methanolic Sodium Methoxide" ACS
Student Affiliates Poster Session, 213th ACS National Meeting, San Francisco,
CA, 13-17 April, 1997.
Q. T. Trang, and H. F. Koch "Comparison of Methanolic Sodium Methoxide-Promoted
Elimination and Exchange Reactions of p-CF3C6H4CHClCF3
and p-CF3C6H4CHClC2F5"
ACS Student Affiliates Poster Session, 213th ACS National Meeting, San Francisco,
CA, 13-17 April, 1997.
Jason M. Nichols, H. F. Koch, M. Mishima and H. Zuilhof "Proton Transfer
Between Carbon Acids and Methoxide: Studies in Methanol, the Gas Phase and by
ab initio Molecular Orbital Calculations" 3rd Council on Undergraduate
Research Poster Session for Congress, Washington, DC, 14 April, 1999.
Individual Research
Support and Departmental Grants (1987 to present)
1987-90 NSF-Organic Dynamics (with J.G. Koch): Elementary Steps
Associated With Addition and Elimination Reactions ($166,800).
1989 NSF-Instrumentation and Laboratory Improvement: Purchase of a High
Field FT-NMR Spectrometer ($100,000).
1990-2 NSF-Research Expeiences for Undergraduates, Project Director for joint
Ithaca College/Cornell chemistry departemnts ($117,600).
1990-2 NSF-Workshop on Research in the Undergraduate Curriculum, Co-Project
Dir. with K. Barbara Schowen (U. of Kansas) ($72,000).
1990-2 NATO Research (with R.D. Chambers, Durham, England): Fluorinated
Carbanions ($8,500).
1991-93 Research Corporation (with J.G. Koch): Partitioning of Highly -Delocalized
Carbanions in Protic Solvents ($21,500).
1995-97 Pertroleum Research Fund: Partitioning of Carbanion Intermediates
Generated in Protic ($25,000).
1999-2001 Camille and Henry Dreyfus Foundation: Scholar/Fellow Program: Proton-Transfer
Reactions: Studies in Methanol, in the Gas Phase and by Ab Initio Calculations
($65,000).
1999-2001 Petroleum Research Fund: Proton-Transfer Reactions Between Carbon
and Oxygen ($30,000).
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