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Oswald Tee

Professor Emeritus

Oswald Tee
Oswald Tee

Research interests

Organic & Physical Organic Chemistry; Primarily the mechanisms of organic reactions, the origins of catalysis and transition state stabilization by catalysts.

Teaching activities

From 1970-2003, I taught a variety of courses in the areas of Organic, Physical and Physical Organic Chemistry.

Publications

T.A. Gadosy, M.J. Boyd and O.S. Tee* (2000). Catalysis of Ester Aminolysis by Cyclodextrins. The Reaction of Alkylamines with p-Nitrophenyl Alkanoates. J. Org. Chem.65, 6879-6889.  [Abstract].

O.S. Tee* and Ogaritte J. Yazbeck (2000).  Transition state stabilization by micelles: thiolysis of p-nitrophenyl alkanoates in cetyltrimethylammonium bromide micelles. Can. J. Chem. 78. 1100-1108.  [Abstract].

O.S. Tee*, S.M.I. Hussein, I.E. Turner and O.J. Yazbeck (2000). Acetal and orthobenzoate hydrolysis as probes of cyclodextrin-guest binding.Can. J. Chem., 78, 436-443.  [Abstract].

O.S. Tee* and M.J. Boyd. Aminolysis of Naphthyl Acetates catalyzed by Cyclodextrins (1999). Can. J. Chem., 77, 950-959. [Abstract].

O.S. Tee,* A.A. Fedortchenko and P. Lim Soo (1998). "Retardation of acetal hydrolysis by cyclodextrins and its use in probing cyclodextrin-guest binding". J. Chem. Soc. Perkin Trans. 2, 123-128.  [Abstract]

E.C. Carmichael, V.D. Geldart, R.S. McDonald,* D.B. Moore, S. Rose, L.D. Colebrook, G.D. Spiropoulos and O.S. Tee* (1997). "Kinetics and Mechanism of the Reversible Ring-opening of Thiamine and Related Thiazolium Ions in Aqueous Solution." J. Chem. Soc. Perkin Trans. 2, 2609-2619.  [Abstract]

O.S. Tee* and A.A. Fedortchenko (1997). "Transition state stabilization by micelles: the hydrolysis of p-nitrophenyl alkanoates in cetyltrimethylammonium bromide micelles". Can. J. Chem., 75, 1434-1438. [Abstract]

O.S. Tee* and J.B. Giorgi (1997). "The effect of alcohols on the basic cleavage of m-nitrophenyl hexanoate by β-cyclodextrin: Allosteric reaction mode switching". J. Chem. Soc. Perkin Trans. 2, 1013-1018.  [Abstract]

O.S. Tee,* T.A. Gadosy and J.B. Giorgi (1997). "Effect of β-Cyclodextrin on the reaction of α-Amino-acids with p-nitrophenyl acetate and p-nitrophenyl hexanoate". Can. J. Chem.75, 83-91.   [Abstract]

O.S. Tee* and R.A. Donga (1996). "Catalysis of the Enolization of 2-Indanone by Cyclodextrins in Aqueous Solution", J. Chem. Soc. Perkin Trans. 2, 2763-2769.  [Abstract]

T.A. Gadosy and O.S. Tee* (1996). "Spectator Catalysis in the Cleavage of p-Nitrophenyl Acetate and p-Nitrophenyl Hexanoate by Hydroxypropyl- β-cyclodextrin". Can. J. Chem.74, 745-752.  [Abstract]

O.S. Tee*, T.A. Gadosy, and J.B. Giorgi (1996). "Dissociations Constants of Host-guest complexes of Alkyl-bearing Compounds with β-Cyclodextrin and Hydroxypropyl-β-cyclodextrin". Can. J. Chem.74, 736-744. [Abstract]

Y. Chiang, H.-X. Guo, A.J. Kresge*, and O.S. Tee (1996). "Flash Photolysis of 2,2,6-Trimethyl-1,3-dioxin-4-one in Aqueous Solution: Hydration of Acetylketene and Ketonization of Acetoacetic Acid Enol". J. Am. Chem. Soc.118, 3386-3391. 

O.S. Tee*, A.A. Fedortchenko, P.G. Loncke, and T.A. Gadosy (1996). "The Binding of Aliphatic Ketones to Cyclodextrins in Aqueous Solution". J. Chem. Soc. Perkin Trans. 2, 1243-1249.  [Abstract]

 A.D. Allen, M. Fujio,* O.S. Tee, T.T. Tidwell,* Y. Tsuji, Y. Tsuno, and K. Yatsugi (1995). Ion Pairs in the Solvolysis of Secondary Systems. Salt Effect, 18O-Labeling and Polarimetric Studies of 1-(4'-Tolyl)-2,2,2-trifluoroethyl Tosylate. J. Am. Chem. Soc.117, 8974-8981.

O.S. Tee*, M. Bozzi, N. Clement, and T.A. Gadosy (1995). "Catalysis of the Reaction of p-Nitrophenyl Alkanoates with Cyclodextrins by Potential Inhibitors: Simple Allosteric Activation", J. Org. Chem.60, 3509-3517. [Abstract]

O.S. Tee* and M.J. Boyd (1995). "The Cleavage of 1- and 2-Naphthyl Acetates by Cyclodextrins in Basic Aqueous Solution", J. Chem. Soc. Perkin Trans. 2, 1237-1243.   [Abstract]

J.B. Giorgi and O.S. Tee* (1995). Cooperative Behavior by Two Different Cyclodextrins in a Reaction: Evidence of Bimodal Transition State Binding. J. Am. Chem. Soc.117, 3633-3634.  [Abstract]

O.S. Tee* and T.A. Gadosy (1995). "Acyl Transfer Mediated by Cyclodextrins: Chain Length Dependence of the Reaction of Nucleophiles with p-Nitrophenyl Alkanoates", J. Chem. Soc. Perkin Trans. 2, 71-76. 

 O.S. Tee*, C. Mazza, R. Lozano-Hemmer and J.B. Giorgi (1994). "Ester Cleavage by Cyclodextrins in Aqueous Dimethyl Sulfoxide Mixtures: Substrate Binding versus Transition State Binding", J. Org. Chem.59, 7602-7608. 

A.D. Allen, J.D. Colomvakos, O.S. Tee and T.T. Tidwell* (1994). 9-(Trifluoromethyl)-fluorenyl Cation: A New Doubly Destabilized Carbocation. J. Org. Chem., 59, 7185-7187.

O.S. Tee* and T.A. Gadosy (1994). "Acyl Transfer Mediated by Complexation. The Effect of Cyclodextrins on the Reaction of Nucleophiles with p-Nitrophenyl Acetate and Hexanoate", J. Chem. Soc. Perkin Trans. 2, 2307-2311.

O.S. Tee* and T.A. Gadosy (1994). "The Kinetics of Cleavage of Nitrophenyl Alkanoate Esters by γ-cyclodextrin and by "Dimethyl-β-cyclodextrin" in Basic Aqueous Solution", J. Chem. Soc. Perkin Trans. 2, 2191-2197. 

T.A. Gadosy and O.S. Tee* (1994). "The Kinetics of Basic Cleavage of Nitrophenyl Alkanoate Esters by "Hydroxypropyl-β-cyclodextrin" in Aqueous Solution". J. Chem. Soc. Perkin Trans. 2, 715-721. (Correction: p 2069). 

O.S. Tee* and B.C. Javed (1994). "Catalysis of Electrophilic Bromine Attack by α-Cyclodextrin". J. Chem. Soc. Perkin Trans. 2, 23-29.

O.S. Tee (1994). "The Stabilization of Transition States by Cyclodextrins and other Catalysts". Adv. Phys. Org. Chem.29, 1-85. (Critical Review)

O.S. Tee*, N.R. Iyengar, B.K. Takasaki (1993). "Catalysis of the Deprotonation of β-Keto Esters by Cyclodextrins", Can. J. Chem.71, 2139-2144. 

O.S. Tee*, M. Bozzi, J.J. Hoeven, and T.A. Gadosy (1993). "Spectators in the Cleavage of p-Nitrophenyl Acetate by Cyclodextrins in Basic Solution. Catalysis by Potential Inhibitors", J. Am. Chem. Soc.115, 8990-8998. 

O.S. Tee*, T.A. Gadosy and J.B. Giorgi (1993). "The Binding of Alkyl Chains to β-Cyclodextrin and "Hydroxypropyl-β-cyclodextrin". J. Chem. Soc. Perkin Trans. 2, 1705-1706.

A.D. Allen, T.T. Tidwell* and O.S. Tee* (1993). "Large Salt Effects and Ion Pairing in Trifluoroacetolysis Reactions forming Destabilized Delocalized Benzylic Carbocations: Kinetic Analysis of the Winstein Special Salt Effect." J. Am. Chem. Soc.115, 10091-10096. 

O.S. Tee*, B.C. Javed, and S.R. Mikkelsen (1992). Catalysis of Electrophilic Bromination by α-Cyclodextrin.  Minutes of the Sixth International Symposium on Cyclodextrins, A.R. Hedges (editor), Editions de Santé, Paris. pp 631-636.

O.S. Tee* and X-.X. Du (1992). Multiple Behaviors in the Cleavage of Aryl Alkanoates by α- and β-Cyclodextrins. Processes involving Two Molecules of Cyclodextrin. J. Am. Chem. Soc., 114, 620-627.

O.S. Tee (1991). The Bromination of Phenols is Simple - Or is it?  Advances in Organobromine Chemistry1, 99-106 (Ind. Chem. Lib., 3, 99-106).

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