Publications - W.J. Leigh

2015-19 | 2010-14 | 2005-09 | 2000-04 | 1995-99 | 1990-94 | 1985-89 | 1980-84 | Pre-1980

2012

S. S. Kostina, T. Singh, and W. J. Leigh*, "Electronic and Steric Effects on the Lewis Acidities of Transient Silylenes and Germylenes – Equilibrium Constants for Complexation with Chalcogen and Pnictogen Donors.", Organometallics, 31, 3755-3767. | Get Reprint | Supporting Information

2011

S. S. Kostina, T. Singh, and W. J. Leigh*, "Kinetics and Mechanisms of the Reactions of Transient Silylenes with Amines", J. Phys. Org. Chem., 24, 937-946. | Get Reprint | Supporting Information

P. S. Billone, K. Beleznay, C. R. Harrington, L. A. Huck, and W. J. Leigh*, "A Glimpse at the Chemistry of GeH₂ in Solution. Direct Detection of an Intramolecular Germylene-Alkene π-Complex", J. Am. Chem. Soc., 133, 10523-10534 (2011) . | Get Reprint | Supporting Information

S. S. Kostina and W. J. Leigh*, "Silanones and Silanethiones from the Reactions of Transient Silylenes with Oxiranes and Thiiranes in Solution. The Direct Detection of Diphenylsilanethione", J. Am. Chem. Soc., 133, 4377-4388 (2011). | Get Reprint | Supporting Information

L. A. Huck and W. J. Leigh*, "Kinetic and Mechanistic Studies of the Reactions of Diarylgermylenes and Tetraaryldigermenes with Carbon Tetrachloride", Can. J. Chem., 89, 241-255 (2011). | Get Reprint| | Supporting Information

2010

M. Bancerz, L. A. Huck, W. J. Leigh, G. Mladenova, K. Najafian, X. Zeng, and E. Lee-Ruff,* "Photochemical Generation of Thiophene Analogs of 9-Fluorenyl Cation", J. Phys. Org. Chem., 23, 1202-1213 (2010). (DOI 10.1002/poc.1754)

W. J. Leigh*, S. S. Kostina, A. Bhattacharya, and A. G. Moiseev, "A Fast Kinetics Study of the Reactions of Transient Silylenes with Alcohols. Direct Detection of Silylene-Alcohol Complexes in Solution", Organometallics, 29, 662-670 (2010). |Get Reprint | Supporting Information

L. A. Huck and W. J. Leigh*, "A Better Sunscreen – Conformational Effects on Spectral Properties", J. Chem. Ed., 87, 1384 (2010). | Get Reprint

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2009

L. A. Huck and W. J. Leigh*, "Kinetic and Mechanistic Studies of the Formal (1+2)- and (1+4)-Cycloadditions of Germylenes to Conjugated Dienes." Organometallics, 28, 6777-6788 (2009). |Get Reprint | Supporting Information

A. G. Moiseev, E. Coulais, and W. J. Leigh*, "The Photochemistry of Cyclic Trisilanes. “Spring-Loaded” Precursors to Methylphenylsilylene." Chem. Eur. J. 15, 8485-8491 2009. |Get Reprint | Supporting Information

F. Lollmahomed and W. J. Leigh*, “Laser Flash Photolysis Studies of Some Dimethylgermylene Precursors”, Organometallics, 28, 3239-3246 (2009). [Get Reprint | Supporting Information]

L. A. Huck, G. D. Potter, H. A. Jenkins, J. F. Britten, and W. J. Leigh,* "1,1-Bis[4-(trifluoromethyl)phenyl]germetane", Acta Cryst. E65, m602. [Get Reprint]

F. Lollmahomed, W. J. Leigh*, L. A. Huck, S. S. Chitnis, and C. R. Harrington, “Time-Resolved Spectroscopic Studies of the Reactivities of Transient Germylenes in Methanol and Tetrahydrofuran Solution”, Organometallics 28, 1484-1494 (2009). [Get Reprint | Supporting Information]

A. Moretto, M. Crisma, F. Formaggio, L. A. Huck, D. Mangion, W. J. Leigh, and C. Toniolo*, “Photoinduced Intramolecular Macrocyclization Reaction between a Bpa and a Met Residue in a Helical Peptide: 3D-Structures of the Diastereomeric Products Formed”, Chem. Eur. J. 15, 67-70 (2009). [Get Reprint | Supporting Information]

A. Chrostowska*, V. Lemierre, A. Dargelos, P. Baylère, W. J. Leigh, G. Rima, L. Weber, and M. Schimmel, “Gas-Phase Synthesis and Characterization of Heteroleptic Divalent Germanium Compounds by FVT/UV-PES”, J. Organomet. Chem. 694, 43-51 (2009). [Get Reprint]

2008

W. J. Leigh*, A. G. Moiseev, E. Coulais, F. Lollmahomed, and M. S. Askari, “Substituent Effects on Silene Reactivity. Reactive Silenes from Photolysis of Phenylated Tri- and Tetrasilanes”, Can. J. Chem. 86, 1105-1117 (2008). [Get Reprint | Supporting Information]

W.J. Leigh,* G.D. Potter, L.A. Huck, and A. Bhattacharya, “Competing Germene and Germylene Extrusion from Photolysis of 1,1-Diarylgermacyclobutanes. Substituent Effects on Germene Reactivity”, Organometallics 27, 5948-5959 (2008). [Get Reprint | Supporting Information]

A. Moretto, M. Crisma, F. Formaggio, L. A. Huck, D. Mangion, W. J. Leigh, and C. Toniolo, “Photoinduced Intramolecular Macrocyclizations on Helical Bpa/Met Oligopeptides", Peptides 2008: Chemistry of Peptides in Life Science, Technology and Medicine (Proceedings of the 30th European Peptide Symposium, Helsinki, 2008). [Get Reprint]

2007

A.G. Moiseev and W.J. Leigh,* "A Comparison of the Reactivities of Dimethylsilylene (SiMe₂) and Diphenylsilylene (SiPh₂) in Solution by Laser Flash Photolysis Methods", Organometallics 26, 6277-6289 (2007). [Get Reprint | Supporting Information]

A.G. Moiseev and W.J. Leigh,* "The Direct Detection of Diphenylsilylene and Tetraphenyldisilene in Solution", Organometallics 26, 6268-6276 (2007). [Get Reprint | Supporting Information]

L.A. Huck, L.E. Harrington, J.F. Britten, and W.J. Leigh,* "3,4-Dimethyl-1,1-bis[4-trifluoromethyl)phenyl]-2,5-dihydro-1H-germole", Acta Cryst. E63, m1282-m1283 (2007). [Get Reprint]

W. Fuß*, W.E. Schmid, S.A. Trushin, P.S. Billone, and W.J. Leigh, "Forward and Backward Pericyclic Photochemical Reactions Have Intermediates in Common, yet Cyclobutenes Break the Rules", ChemPhysChem 8, 592-598 (2007). [Get Reprint | Supporting Information]

L.A. Huck and W.J. Leigh*, "Substituent Effects on the Reactions of Diarylgermylenes and Tetraaryldigermenes with Acetic acid and Other Lewis Bases", Organometallics, 26, 1339-1348 (2007). [Get Reprint | Supporting Information]

2006

A.G. Moiseev and W.J. Leigh*, "Diphenylsilylene", J. Am. Chem. Soc., 128, 14442-14443 (2006). [Get Reprint | Supporting Information]

W.J. Leigh,* F. Lollmahomed, C.R. Harrington, and J. M. McDonald, "Kinetics and Mechanisms of the Reactions of Diaryl- and Dialkylgermylenes with Alcohols and Ethers in Solution.", Organometallics, 25, 5424-5234 (2006). [Get Reprint | Supporting Information]

W.J. Leigh,* L.A. Huck, E. Held, and C.R. Harrington, "The Photochemistry of a Potential Diphenylsilylene Precursor. Time-resolved Spectroscopic Studies of the Reactivity of a Transient Vinylsilirane", Silicon Chemistry, 3, 139-149 (2005). [Get Reprint]

W.J. Leigh,* I. Dumbrava, and F. Lollmahomed, "Direct Detection of Methylphenylgermylene and 1,2-Dimethyl-1,2-Diphenyldigermene. Kinetic Studies of Their Reactivities in Solution", Can. J. Chem., 84, 934-948 (2006). [Get Reprint]

W.J. Leigh,* T.R. Owens, M. Bendikov,* S.S. Zade, and Y. Apeloig, "A Combined Experimental and Theoretical Study of the Kinetics and Mechanism of the Addition of Alcohols to Electronically Stabilized Silenes. A New Mechanism for the Addition of Alcohols to the Si=C Bond", J. Am. Chem. Soc. 128, 10772-10783 (2006). [Get Reprint | Supporting Information]

R. Becerra, C.R. Harrington, W.J. Leigh, L.A. Kefala, and R. Walsh*, "First detection of methylgermylene in the gas-phase and time resolved study of some of its reactions", Organometallics, 25, 4439-4443 (2006). [Get Reprint | Supporting Information]

W.J. Leigh,* F. Lollmahomed, and C.R. Harrington, "Time-resolved Spectroscopic Studies of the Reactivities of Dimethylgermylene and Tetramethyldigermene in Solution", Organometallics, 25, 2055-2065 (2006). [Get Reprint | Supporting Information]

E.C. Lathioor and W.J. Leigh,* "Bimolecular Hydrogen Abstraction from Phenols by Aromatic Ketone Triplets" Photochem. Photobiol., 82, 291-300 (2006). [Get Reprint]

2005

R. Becerra, P.P. Gaspar,* C.R. Harrington, W.J. Leigh,* I. Vargas-Baca, R. Walsh,* and D. Zhou, "Direct Detection of Dimethylstannylene and Tetramethyldistannene in Solution and the Gas Phase by Laser Flash Photolysis of 1,1-Dimethylstannacyclopent-3-enes", J. Am. Chem. Soc., 127, 17469-17478 (2005). [Get Reprint | Supporting Information]

C.R. Harrington, W.J. Leigh,* B.K. Chan, P.P. Gaspar, and D. Zhou, "Time-Resolved Spectroscopic Studies of the Photochemistry of Some Diphenylgermylene (Ph₂Ge:) Precursors", Can. J. Chem., 83, 1324-1338 (2005). [Get Reprint]

T.R. Owens, J. Grinyer, and W.J. Leigh,* "Direct Detection of 1,1-Diphenyl-2-neopentylsilene and the Effects of Solvent Polarity on its Reactivity with Nucleophiles", Organometallics 24, 2307-2318 (2005). [Get Reprint | Supporting Information]

W.J. Leigh* and C.R. Harrington, "Di- and Trivalent Organogermanium Reactive Intermediates. Kinetics and Mechanisms of Some Reactions of Diphenylgermylene and Tetraphenyldigermene in Solution.", J. Am. Chem. Soc., 127, 5084-5096 (2005). [Get Reprint] | Supporting Information]

2015-19 | 2010-14 | 2005-09 | 2000-04 | 1995-99 | 1990-94 | 1985-89 | 1980-84 | Pre-1980

2004

W.J. Leigh,* C.R. Harrington, and I. Vargas-Baca, "Organogermanium Reactive Intermediates. The Direct Detection and Characterization of Transient Germylenes and Digermenes in Solution", J. Am. Chem. Soc., 126, 16105-16116 (2004). [Get Reprint] | [Supporting Information] | [Errata]

V. Lemierre, A. Chrostowska,* A. Dargelos, P. Baylère, W.J. Leigh,* and C.R. Harrington, "Flash Vacuum Thermolysis of 3,4-Dimethyl-1-germacyclopent-3-enes. UV Photoelectron Spectroscopic Characterization of GeH₂ and GeMe₂", Appl. Organomet. Chem., 18, 676-683 (2004). [Get Reprint]

2003

T.R. Owens, C.R. Harrington, T.C.S. Pace, and W.J. Leigh*, "Steric Effects on Silene Reactivity. The Effects of ortho-Methyl Substituents on the Kinetics and Mechanisms of the Reactions of 1,1-Diarylsilenes with Nucleophiles", Organometallics, 22, 5518-5525 (2003). [Get Reprint] [Supporting Information]

W.J. Leigh* and X. Li, "Intramolecular Nucleophile-induced Photorearrangements and Silene Formation from an ortho-(methoxymethyl)phenylsilacyclobutane", J. Am. Chem. Soc., 125, 8096-8097 (2003). [Get Reprint] [Supporting Information]

B.H.O. Cook and W.J. Leigh*, "The Effect of Central Bond Torsional Mobility on the Rydberg State Ring Opening of Alkylcyclobutenes", Can. J. Chem., 81, 680-688 (2003). [Get Reprint].

W.J. Leigh* and X. Li, "Kinetics and Mechanism of the Reaction of Aliphatic Amines with Transient Silenes", J. Phys. Chem. A, 107, 1517-1524 (2003). [Get Reprint] [Supporting Information].

2002

W.J. Leigh* and X. Li, "Effects of Ether Solvents on the Reactivity of Transient Silenes", Organometallics, 21, 1197-1207 (2002). [Get Reprint] [Supporting Information]

2001

T.L. Morkin, W.J. Leigh,* T.T. Tidwell, and A.D. Allen, "Direct Detection of Wiberg’s Silene (1,1-Dimethyl-2,2-bis(trimethylsilyl)silene) and Absolute Rate Constants for its Reactions in Solution", Organometallics, 20, 5707-5716 (2001). [Get Reprint] [Supporting Information]

E.C. Lathioor and W.J. Leigh,* "Geometric and Solvent Effects on Intramolecular Phenolic Hydrogen Abstraction by Carbonyl n,p* and p,p* Triplets", Can. J. Chem., 79, 1851-1863 (2001). [Get Reprint]

T.L. Morkin and W.J. Leigh,* "Arrhenius Parameters for the Head-to-Tail Dimerization of 1,1-Diphenylsilene and 1,1-Diphenylgermene in Solution", Organometallics, 20, 4537-4541 (2001).  [Get Reprint]

B.H.O. Cook, W.J. Leigh,* and R. Walsh, "Conrotatory Photochemical Ring Opening of Alkylcyclobutenes in Solution. A Test of the Hot Ground State Mechanism", J. Am. Chem. Soc. 123, 5188-5193 (2001).  [Get Reprint] [Supporting Information]

T.L. Morkin, T.R. Owens and W.J. Leigh, "Kinetics and Mechanisms of the Reactions of Si=C and Si=Si Double Bonds", In The Chemistry of Organosilicon Compounds, Volume 3. The Chemistry of Functional Groups; Z. Rappoport and Y. Apeloig, eds., John Wiley and Sons, New York, 2001.  pp. 949-1026.

W.J. Leigh*, X. Li, C.J. Bradaric and T.L. Morkin, “Solvent, Substituent, and Temperature Effects on the Absolute Rate Constants for Addition of Methoxytrimethylsilane to 1,1-Diarylsilenes”, Organometallics 20, 932-936 (2001). [Get Reprint].

T.L. Morkin and W.J. Leigh,* "Substituent Effects on the Reactivity of the Silicon-Carbon Double Bond", Acc. Chem. Res. 34, 129-136 (2001) [Get Reprint].

2000

W.J. Leigh*, N.P. Toltl, P. Apodaca, M. Castruiti, and K.H. Pannell, "The Photochemistry of Group 14 1,1,1-Trimethyl-2,2,2-triphenyldimetallanes (Ph₃MM’Me₃; M, M’ = Si, Ge). Direct Detection and Characterization of Silene and Germene Reactive Intermediates", Organometallics 19, 3232-3241 (2000). [Get Reprint]

B.H.O. Cook and W.J. Leigh*, "Photopericyclic Reactions of Conjugated Dienes and Trienes", In The Chemistry of Dienes and Trienes, Volume 2. The Chemistry of Functional Groups; Z. Rappoport, ed., John Wiley and Sons, New York, 2000; pp. 197-255.

W.J. Leigh* and T.R. Owens, "The One- and Two-Photon Photochemistry of Benzylsilacyclobutanes, Acyclic Benzylsilanes, and 1,1,2-Triphenylsilacyclobutane", Can. J. Chem., 78, 1459-1458 (2000). [Get Reprint]

J. Andraos,* E.C. Lathioor, and W.J. Leigh, "Simultaneous pH-rate profiles applied to the two step consecutive sequence A®B®C: a theoretical analysis and experimental verification", J. Chem. Soc., Perkin Trans. 2, 2000, 365-373 (2000).

2015-19 | 2010-14 | 2005-09 | 2000-04 | 1995-99 | 1990-94 | 1985-89 | 1980-84 | Pre-1980

1999

N.P. Toltl, M.J. Stradiotto, T.L. Morkin and W.J. Leigh,* "The Homo- and Cross-[2+2]-Cycloaddition of 1,1-Diphenylsilene and 1,1-Diphenylgermene. Absolute Rate Constants for Dimerization and the Molecular Structures and Photochemistry of the Resulting 1,3-Dimetallacyclobutanes", Organometallics 18, 5643-5652 (1999). [Get Reprint]

E.C. Lathioor, W.J. Leigh,* and M.J. St. Pierre, "Geometrical Effects on Intramolecular Quenching of Aromatic Ketone (p,p*) Triplets by Remote Phenolic Hydrogen Abstraction", J. Am. Chem. Soc. 121, 11984-11992 (1999). [Get Reprint] [Supporting Information]

W.J. Leigh,* R. Boukherroub, C.J. Bradaric, C.C. Cserti, and J.M. Schmeisser, "Steady State and Time-Resolved Spectroscopic Studies of the Photochemistry of 1-Arylsilacyclobutanes and the Chemistry of 1-Arylsilenes", Can. J. Chem. 77, 1136-1147 (1999). [Get Reprint]

W.J. Leigh* and B.H.O. Cook, "Stereospecific (Conrotatory) Photochemical Ring Opening of Alkylcyclobutenes in the Gas Phase and Solution. Ring Opening from the Rydberg Excited State or by Hot Ground State Reaction?"  J. Org. Chem. 64, 5256-5263 (1999). [Get Reprint]

W.J. Leigh,* C. Kerst, R. Boukherroub, T.L. Morkin, S.I. Jenkins, K. Sung and T.T. Tidwell, "Substituent Effects on the Reactivity of the Silicon-Carbon Double Bond. Substituted 1,1-Dimethylsilenes from Far-UV Laser Flash Photolysis of a-Silylketenes and Trimethylsilyldiazomethane", J. Am. Chem. Soc. 121 4744-4753 (1999). [Get Reprint]

W.J. Leigh, "Kinetics and Mechanisms of the Reactions of Si=C and Ge=C Double Bonds", Pure Appl. Chem. 71, 453-462 (1999).

1998

W.J. Leigh,* R. Boukherroub and C. Kerst, "Substituent Effects on the Reactivity of the Silicon-Carbon Double Bond. Resonance, Inductive and Steric Effects of Substituents at Silicon on the Reactivity of Simple 1-Methylsilenes", J. Am. Chem. Soc., 120, 9504-9512 (1998). [Get Reprint]

W.J. Leigh,* G.W. Sluggett, C.J. Bradaric, P.C. Venneri, R.T. Conlin, M.S.K. Dhurjati and M.B. Ezhova, "A Transient Spectroscopic Study of the Chemistry of Some Simple Silenes Derived from Photolysis of Vinyldisilanes", J. Organomet. Chem., 561, 19-27 (1998).

N.P. Toltl and W.J. Leigh,* "Direct Detection of 1,1-Diphenylgermene in Solution and Absolute Rate Constants for Germene Trapping Reactions", J. Am. Chem. Soc., 120, 1172-1179 (1998). [Get Reprint]

C.J. Bradaric and W.J. Leigh,* "Substituent Effects on the Reactivity of the Silicon-Carbon Double Bond. Mechanistic Studies of the Ene-Addition of Acetone to Reactive Arylsilenes", Organometallics, 17, 645-651 (1998). [Get Reprint]

Y. Apeloig,* D. Bravo-Zhivotovskii, I. Zharov, V. Panov, W.J. Leigh,* and G.W. Sluggett, "Thermal and Photochemical [2+2] Cycloreversion of a 1,2-Disilacyclobutane and a 1,2-Digermacyclobutane", J. Am. Chem. Soc., 120, 1398-1404 (1998). [Get Reprint]

W. J. Leigh and M. S. Workentin, "Liquid Crystals as Solvents for Spectroscopic, Chemical Reaction, and Gas Chromatographic Applications", In Handbook of Liquid Crystals, Vol. 1; D. Demus, J. Goodby, G.W. Gray, H.-W. Spiess and V. Vill, eds., Wiley-VCH, Weinheim; Chapter IX.4, pp. 839-895 (1998).

1997

C.J. Bradaric and W.J. Leigh,* "Substituent Effects on the Reactivity of the Silicon-Carbon Double Bond. Absolute Rate Constants, Kinetic Isotope Effects and Arrhenius Parameters for the Reaction of 1,1-Diarylsilenes with Alcohols and Acetic Acid", Can. J. Chem., 75, 1393-1402 (1997). [Get Reprint]  

C. Kerst, R. Ruffolo, and W.J. Leigh,* "A Laser Flash Photolysis Study of the Photochemistry of Phenylethynylpentamethyldisilane. Absolute Rate Constants for Trapping of a Reactive (1-Sila)allene by Nucleophiles", Organometallics, 16, 5804-5810 (1997). [Get Reprint]

C. Kerst, R. Boukherroub, and W.J. Leigh,* "Far-UV Laser Flash Photolysis in Solution. A Time-Resolved Study of the Chemistry of 1,1-Dimethylsilene", J. Photochem. Photobiol. A: Chem., 110, 243-246 (1997).

C. Kerst, M. Byloos, and W.J. Leigh,* "Far-UV Laser Flash Photolysis in Solution. A Time-Resolved Spectroscopic Study of the Chemistry of 1,1-Dimethyl-1,3-(1-sila)butadiene", Can. J. Chem., 75, 975-982 (1997). [Get Reprint]  

W.J. Leigh,* E.C. Kroll, N.P. Toltl, and J.F. Britten, "Structures of Diphenyl(2-(dimethyl-tert-butylsilyl)phenyl)(3-(2,2,4,4-tetramethylpentoxy))silane and its Disilane Precursor, 1-tert-Butyl-1,1-Dimethyl-2,2,2-Triphenyldisilane", Acta Crystallographica C (CIF Access), 53, IUC9700006/1-2 (1997).

C. Kerst, C. W. Rogers, R. Ruffolo, and W. J. Leigh,* "Direct Detection and Characterization of a Transient 1-Silaallene Derivative in Solution", J. Am. Chem. Soc., 119, 466-471 (1997). [Get Reprint]

1996

W. J. Leigh,* E. C. Lathioor, and M. J. St. Pierre, "Photoinduced Hydrogen Abstraction from Phenols by Aromatic Ketones. A New Mechanism for Hydrogen Abstraction by Carbonyl n,p* and p,p* Triplets", J. Am. Chem. Soc., 118, 12339-12348 (1996). [Get Reprint]

C. J. Bradaric and W. J. Leigh,* "Arrhenius Parameters for the Addition of Nucleophiles to the Silicon-Carbon Double Bond of 1,1-Diphenylsilene", J. Am. Chem. Soc., 118, 8971-8972 (1996). [Get Reprint]

N. P. Toltl, W. J. Leigh,* G. M. Kollegger, W. G. Stibbs, and K. M. Baines,* "Nanosecond Laser Flash Photolysis Studies of the Photochemistry of Dimesitylgermylene Precursors", Organometallics, 15, 3732-3736 (1996). [Get Reprint]

W. J. Leigh,* J. A. Postigo, and K. C. Zheng, "Cyclobutene Photochemistry. Adiabatic Photochemical Ring Opening Of Alkylcyclobutenes", Can. J. Chem., 74, 951-964 (1996). [Get Reprint]  

N. P. Toltl and W. J. Leigh*, "Aryldisilane Photochemistry. The Synthesis and Isolation of Stable 1,2-Siloxetanes from the Reaction of Transient Silenes with Acetone", Organometallics, 15, 2554-2561 (1996). [Get Reprint] [Supporting Information]

W. J. Leigh,*, C. J. Bradaric, C. Kerst, and J. H. Banisch, "Mechanistic Studies of the Reactions of Silicon-Carbon Double Bonds. Addition of Alcohols to 1,1-Diphenylsilene", Organometallics, 15, 2246-2253 (1996). [Get Reprint]

W. J. Leigh*, T. J. Lewis, V. Lin, and J. A. Postigo, "The Photochemistry of 3,3',4,4'-Tetramethoxy- and 4-Hydroxy-3,3',4'-trimethoxystilbene: Models for Stilbene Chromophores Present in Peroxide Bleached, High Yield Wood Pulps", Can. J. Chem., 74, 263-275 (1996).

1995

W. J. Leigh, "Diene-Cyclobutene Photochemistry", in A Handbook of Organic Photochemistry and Photobiology; W. M. Horspool and P.-S. Song, Eds., CRC Press, Inc., Boca Raton. 1995. Chapter 9 (pp. 123-142).

W. J. Leigh,* J. A. Postigo, and P. C. Venneri, "Orbital Symmetry and the Photochemical Ring Opening of Cyclobutene", J. Am. Chem. Soc., 117, 7826-7827 (1995). [Get Reprint]

W. J. Leigh,* and J. A. Postigo, "Cyclobutene Photochemistry. Steric Effects On The Photochemical Ring-Opening Of Alkylcyclobutenes", J. Am. Chem. Soc., 117, 1688-1694 (1995). [Get Reprint]

W. J. Leigh,* and J. A. Postigo, "Cyclobutene Photochemistry. Substituent Effects on the Photochemistry of 1-Phenylcyclobutene", Can. J. Chem., 73, 191-203 (1995). [Get Reprint]  

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1994

W. J. Leigh* and G. W. Sluggett, "Aryldisilane Photochemistry. A Kinetic Study of the Mechanism of Alcohol Additions to Transient Silenes", J. Am. Chem. Soc., 116, 10468-10476 (1994). [Get Reprint]

G. W. Sluggett and W. J. Leigh,* "Aryldisilane Photochemistry. The Role of Silyl Free Radicals in Silene Formation from Photolysis of Methylpentaphenyldisilane", Organometallics, 13, 1005-1013 (1994). [Get Reprint]

G. W. Sluggett and W. J. Leigh,* "Aryldisilane Photochemistry. The Effects of Solvent and Substituent on the Photochemistry of Aryldisilanes and the Reactivity of 1,3,5-(1-Sila)hexatrienes", Organometallics, 13, 269-281 (1994). [Get Reprint]

1993

W. J. Leigh* and J. A. Postigo, "The Role of Central Bond Torsional Motions in the Direct cis,trans-Photoisomerization of Conjugated Dienes", J. Chem. Soc., Chem. Commun., 1836-1838 (1993).

W. J. Leigh* and G. W. Sluggett, "The Triplet State Photoreactivity of Phenyldisilanes", J. Am. Chem. Soc., 115, 7531-7532 (1993).

W. J. Leigh,* C. Bradaric, and G. W. Sluggett, "1,1-Diphenylsilene", J. Am. Chem. Soc., 115, 5332-5333 (1993).

W. J. Leigh,* J. H. Banisch, and M. S. Workentin, "Charge-transfer Interactions in the Intramolecular Quenching of Carbonyl Triplets by b-Aryl Substituents", J. Chem. Soc., Chem. Commun., 1993, 988-990.

W. J. Leigh, "Orbital Symmetry and the Photochemistry of Cyclobutene", Can. J. Chem., 71, 147-155 (1993). [Get Reprint]  

W. J. Leigh, "Techniques and Applications of Far-UV Photochemistry in Solution. The Photochemistry of the C₃H₄ and C₄H₆ Hydrocarbons", Chemical Reviews, 93, 487-505 (1993).

1992

M. S. Workentin and W. J. Leigh,* "Photochemical Probes of Conformational Mobility in Liquid Crystals. The Photochemistry of b-Aryl-4-alkoxypropiophenones in the Nematic and Smectic B Phases of CCH-n and CCH-nOm Liquid Crystals", J. Phys. Chem., 96, 9666-9673 (1992).

W. J. Leigh,* D. W. Hughes, and D. S. Mitchell, "Competitive Diels-Alder and Ene Addition of N-arylmaleimides to 7-Dehydrocholesteryl acetate", Can. J. Chem., 70, 2730-2744 (1992). [Get Reprint]  

G. W. Sluggett and W. J. Leigh,* "The Photochemistry of 1,2-Tert-butyl-1,1,2,2-tetraphenyldisilane. A Clean, Direct Source of Arylalkylsilyl Radicals", Organometallics, 11, 3731-3736 (1992).

W. J. Leigh* and D. S. Mitchell, "Organic Reactions in Liquid Crystalline Solvents. Regiochemical Control of Bimolecular Cycloaddition Reactions by Cholesteric and Smectic Liquid Crystalline Solvents", J. Am. Chem. Soc., 114, 5005-5010 (1992).

G. W. Sluggett and W. J. Leigh,* "Reactive Intermediates from the Photolysis of Methylpentaphenyl- and Pentamethylphenyldisilane", J. Am. Chem. Soc., 114, 1195-1201 (1992). [Get Reprint]

1991

M.S. Workentin, B.J. Fahie, and W.J. Leigh,* "Photochemical Probes of Conformational Mobility in Liquid Crystals. The Photochemistry of b-Phenyl-4-methoxypropiophenone in the Nematic and Smectic B Phases of CCH-n and OS-nm Liquid Crystals", Can. J. Chem., 69, 1435-1444 (1991).

A.D. Bain,* B.J. Fahie, T. Kozluk, and W.J. Leigh, "Improvements in the quantitation of NMR spectra by the use of statistical methods", Can. J. Chem., 69, 1189-1192 (1991).

W.J. Leigh,* K. Zheng, N. Nguyen, N.H. Werstiuk, and J. Ma, "Cyclobutene Photochemistry. Identification of the Excited States Responsible for the Ring-Opening and Cycloreversion Reactions of Alkylcyclobutenes", J. Am. Chem. Soc., 113, 4993-4999 (1991).

W.J. Leigh* and K. Zheng, "Cyclobutene Photochemistry. Partial Orbital Symmetry-Control in the Photochemical Ring-opening of a Constrained Cyclobutene", J. Am. Chem. Soc., 113, 4019-4020 (1991).

W.J. Leigh*, M.S. Workentin, and D. Andrew, "End-to-end intramolecular quenching of aromatic ketone triplets in aqueous solutions of 2,6-di(O-methyl)-cyclodextrins", J. Photochem. Photobiol. A: Chemistry, 57, 97-109 (1991).

W.J. Leigh* and K. Zheng, "Cyclobutene Photochemistry. A reinvestigation of the photochemistry of cis- and trans-tricyclo[6.4.0.02,7]dodec-1-ene", J. Am. Chem. Soc., 113, 2163-2166 (1991).

W.J. Leigh*, K. Zheng, and K.B. Clark, "Cyclobutene Photochemistry. The photochemistry of cis- and trans-bicyclo[5.2.0]non-8-ene", J. Org. Chem., 56, 1574-1580 (1991).

W.J. Leigh, "Thermotropic Liquid Crystals as Chemical Reaction Media", in "Liquid Crystals - Applications and Uses, Vol. 2". B. Bahadur, Ed., World Scientific, Bangalore, 1991; Chapter 27 (pp. 358-396).

1990

N.H. Werstiuk*, K.B. Clark, and W.J. Leigh, "Conformational analysis and structure elucidation of 2,3- and 2,4-dimethyl-2,4-hexadienes by AM1 and HeI ultraviolet photoelectron spectroscopy", Can. J. Chem., 68, 2078-2084 (1990).

W.J. Leigh*, K. C. Zheng, and K.B. Clark, "Cyclobutene photochemistry. Substituent and wavelength effects on the photochemical ring-opening of monocyclic alkylcyclobutenes", Can. J. Chem., 68, 1988-1997 (1990).

A.T. Wen, A.P. Hitchcock, N.H. Werstiuk, N. Nguyen, and W.J. Leigh*, "Studies of the electronic excited states of substituted norbornenes by UV absorption, electron energy loss, and HeI photoelectron spectroscopy", Can. J. Chem., 68, 1967-1973 (1990).

N. Nguyen, K.B. Clark, B.E. Harris, and W.J. Leigh*, "The solution phase photochemistry of 2-trifluoromethylnorbornene", Can. J. Chem., 68, 1961-1966 (1990).

W.J. Leigh*, M.S. Workentin, and K.R. Jeffrey, "Organic reactions in liquid crystalline solvents. 10. Studies of the molecular and conformational mobilities of simple alkylphenones in smectic (Crystal B) and nematic liquid crystals by ²H NMR spectroscopy and Norrish Type II photoreactivity", J. Am. Chem. Soc., 112, 7329-7336 (1990).

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1989

B.J. Fahie and W.J. Leigh*, "The far-uv photochemistry of alkylcyclopropenes in solution", Can. J. Chem., 67, 1859-1867 (1989).

W.J. Leigh and L.J. Johnston, "Properties of Surfactants, Liquid Crystals and Solid Supports", In "CRC Handbook of Photochemistry", J.C. Scaiano, Ed., CRC Press, Boca Raton, 1989; Chapter 22 (pp. 401-422).

W.J. Leigh, "Ketone photochemistry as a probe of conformational mobility in nematic and smectic liquid crystals", In "Photochemistry on Solid Surfaces". M. Anpo and T. Matsuura, Eds., Elsevier, Amsterdam, 1989; pp. 481-500.

B.J. Fahie, D.S. Mitchell, M.S. Workentin, and W.J. Leigh*, "Organic reactions in liquid crystalline solvents. 9. Investigation of the solubilization of guest molecules in a smectic (Crystal B) liquid crystal by deuterium NMR, calorimetry, optical microscopy, and photoreactivity methods", J. Am. Chem. Soc., 111, 2916-2929 (1989).

B.J. Fahie, D.S. Mitchell, and W.J. Leigh*, "Organic reactions in liquid crystalline solvents. 9. Deuterium NMR studies of the solubilization of some aromatic ketones in the liquid crystalline phases of 4'-butylbicyclohexyl-4-carbonitrile", Can. J. Chem., 67, 148-159 (1989).

D.S. Mitchell and W.J. Leigh*, "Miscibility studies of the smectic phases of trans,trans-4'-alkylbicyclohexyl-4-carbonitrile (CCH-n) liquid crystals", Liquid Crystals, 4, 39-51 (1989).

1988

K.B. Clark and W.J. Leigh*, "Cyclobutene photochemistry. Evidence for carbene intermediates in the photochemistry of alkylcyclobutenes", Can. J. Chem., 66, 1571-1578 (1988).

W.J. Leigh* and D.S. Mitchell, "Organic reactions in liquid crystalline solvents. 8. Regiochemical control of bimolecular chemical reactivity in smectic and cholesteric liquid crystals", J. Am. Chem. Soc., 110, 1311-1313 (1988).

1987

K.B. Clark and W.J. Leigh*, "Cyclobutene photochemistry. Non-stereospecific photochemical ring-opening of simple cyclobutenes", J. Am. Chem. Soc., 109, 6086-6092 (1987).

W.J. Leigh* and S. Jakobs, "Organic reactions in liquid crystalline solvents. 5. Intramolecular phenolic quenching of aromatic ketone triplets as a probe for conformational mobility in liquid crystals", Tetrahedron, 43, 1393-1408 (1987).

W.J. Leigh* and R. Srinivasan, "Organic photochemistry with far-ultraviolet photons: the photochemistry of allyl-, vinyl-, and alkylidenecyclopropanes", Acc. Chem. Res., 20, 107-114 (1987).

W.G. McGimpsey, J.C. Scaiano*, W.J. Leigh*, and S. Jakobs, "Kinetic and spectroscopic studies of ketyl-phenoxy biradicals produced by remote hydrogen abstraction", J. Org. Chem., 52, 4540-4544 (1987).

1986

W.J. Leigh, "Organic reactions in liquid crystalline solvents. 4. Nanosecond laser flash photolysis studies of intramolecular motions of rod-like solutes in liquid crystals", Can. J. Chem., 64, 1130-1139 (1986).

1985

W.J. Leigh, "Organic reactions in liquid crystalline solvents. 3. Substituted b-phenylpropiophenones as photochemical probes of solute-solvent interactions in liquid crystals", J. Am. Chem. Soc., 107, 6114-6116 (1985).

J.C. Scaiano*, W.J. Leigh, M.A. Meador, and P.J. Wagner, "Sterically hindered triplet energy transfer", J. Am. Chem. Soc., 107, 5806-5807 (1985).

W.J. Leigh, "Organic reactions in liquid crystalline solvents. 2. An investigation into stereochemical control of the Diels-Alder reaction using cholesteric liquid crystalline solvents", Can. J. Chem., 63, 2736-2741 (1985).

W.J. Leigh*, J.C. Scaiano, C.I. Paraskevopoulos, G.M. Charette, and S.E. Sugamori, 1985, "Photodegradation of poly(phenyl vinyl ketone)s containing b-phenylpropiophenone moieties", Macromolecules, 18, 2148-2154 (1985).

W.J. Leigh*, D.T. Frendo, and P.J. Klawunn, "Organic reactions in liquid crystalline solvents. 1. The thermal cis-trans isomerization of a bulky olefin in cholesteric liquid crystalline solvents", Can. J. Chem., 63, 2131-2138 (1985).

J.C. Netto-Ferreira, W.J. Leigh, and J.C. Scaiano*, "Laser flash photolysis study of the photochemistry of ring substituted b-phenylpropiophenones", J. Am. Chem. Soc., 107, 2617-2622 (1985).

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1984

J.C. Scaiano*, W.J. Leigh, and G. Ferraudi, "Flash photolysis of phenyl-acetatopentamine-cobalt(III) in aqueous solution. Generation of benzyl radicals and their reversible trapping by cupric ions in homogeneous and micellar solutions", Can. J. Chem., 62, 2355-2358 (1984).

J.C. Scaiano*, N.K. Thuan, and W.J. Leigh, "Diazonium salts in photochemistry. V. Photosensitized decomposition of benzenediazonium tetrafluoroborate in solutions of cationic detergents", J. Photochem., 24, 79-86 (1984).

M.G. Steinmetz*, R. Srinivasan, and W.J. Leigh, "Chemistry of the C₃H₄ hydrocarbons", Rev. Chem. Intermed., 5, 57-105 (1984).

1983

W. J. Leigh* and R. Srinivasan, "Organic Photochemistry with 6.7 eV Photons. The Divergent Photobehavior of exo- and endo-7-Methyl-2-norcarene", J. Org. Chem., 48, 3970-3979 (1983).

W. J. Leigh and J. C. Scaiano*, "Photochemistry of Acetone in Surfactant Solutions", J. Amer. Chem. Soc., 105, 5652-5657 (1983).

W. J. Leigh and J. C. Scaiano*, "Phosphorescence Emission from Benzophenone in Micellar Solution at Room Temperature", Chem. Phys. Lett., 96, 429-432 (1983).

W. J. Leigh and R. Srinivasan*, "Organic Photochemistry with 6.7 eV Photons. The Photochemistry of Bicyclo[4.1.0]hept-2-ene (2-Norcarene)", J. Amer. Chem. Soc., 105, 514-519 (1983).

1982

R. Srinivasan* and W. J. Leigh, "Ablative Photodecomposition: Action of Far-Ultraviolet (193 nm) Laser Radiation on Poly(ethyleneterephthalate) Films", J. Amer. Chem. Soc., 104, 6784-6785 (1982).

W. J. Leigh and R. Srinivasan*, "Organic Photochemistry with 6.7 eV Photons. g,d-Unsaturated Ketones", J. Amer. Chem. Soc., 104, 4424-4429 (1982).

1981

W. J. Leigh and D. R. Arnold*, "Merostabilization in Radical Ions, Triplets and Biradicals. 6. The Excited State Behaviour of para-Substituted Tetraphenylethylenes", Can. J. Chem., 59, 3061-3075 (1981).

W. J. Leigh and D. R. Arnold*, "Merostabilization in Radical Ions, Triplets and Biradicals. 5. The Thermal cis-trans Isomerization of para-Substituted Tetraphenylethylenes", Can. J. Chem., 59, 609-620 (1981).

W. J. Leigh, D. R. Arnold* and K. M. Baines, "The Two-Parameter Linear Free Energy Treatment of the Substituent Effects on the Half-Wave Reduction Potentials and n,p* Triplet Energies of Aromatic Ketones". A Test of the Validity of the Approach", Tetrahedron Letters, 22, 909-912 (1981).

1980

W. J. Leigh, D. R. Arnold*, R. W. R. Humphreys and P. C. Wong, "Merostabilization in Radical Ions, Triplets and Biradicals. 4. Substituent Effects on the Half-Wave Reduction Potentials and n,p* Triplet Energies of Aromatic Ketones", Can. J. Chem., 58, 2537-2549 (1980).

W. J. Leigh and D. R. Arnold*, "Merostabilization in Radical Ions, Triplets and Biradicals. Substituent Effects on the n,p* Triplet Energy of Benzophenone", J. Chem. Soc., Chem. Commun. 1980, 406-408 (1980).

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W. J. Leigh and D. R. Arnold*, "Photochemical and Thermal Rearrangements of Some 3H-Pyrazoles", Can. J. Chem., 57, 1186-1200 (1979).

D. R. Arnold*, R. W. Humphreys, W. J. Leigh and G. E. Palmer, "Electronic Excited States of Small-Ring Compounds III. Cyclopropene, Vinylcarbene and Vinylmethylene", J. Amer. Chem. Soc., 98, 6225-6233 (1976).

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