(63) Levitus, M.; Shick, G.; Lunkwitz, R.; Rubin, Y.; Garcia-Garibay, M. A. “Photophysical Properties of Hexapyrrolidine C60 Adducts with Th and D3 Symmetry: Protonation of Multiple Basic Sites.” J. Photochem. Photobiol. A. 1999, 127, 13-19.

(62) Garcia-Garibay, M.A.; Houk, K.N.; Keating, A.E.; Cheer, C.J.; Leibovitch, M.; Scheffer, J.R.; Wu, L.-C. “Computational Prediction of the Enantioselectivity of a Solid-State Photoreaction.” Org. Lett. 1999, 8, 1279-1281.

(61) Mendez, F.; Garcia-Garibay, M.A. “A Hard-Soft Acid-Base and DFT Analysis of Singlet-Triplet Gaps and the Addition of Singlet Carbenes to Alkenes.” J. Org. Chem. 1999, 64, 7061-7066.

(60) Johnson, B.A.; Garcia-Garibay, M.A. “Rate Acceleration below 20K in the H-Atom Tunneling of Triplet ortho-Methyltetralones.” J. Am. Chem. Soc. 1999, 121, 8114-8115.

(59) Motschiedler, K.R.; Gudmsundsdottir, A.D.; Toscano, J.P.; Platz, M.; Garcia-Garibay, M.A. “Excited Precursor Reactivity, Fast 1,2-H Shifts, and Diffusion-Controlled Methanol Insertion in 1,2-Diphenylalkylidenes.” J. Org. Chem. 1999, 64, 5139-5147.

(58) Schick, G.; Levitus, M.; Kvetko, L.; Johnson, B.A.; Lamparth, I.; Lunkwitz, R.; Ma, B.; Khan, S.; Garcia-Garibay, M.A.; Rubin, Y. “Unusual Luminescence of Hexapyrrolidine Derivatives of C60 with Th and Novel D3-Symmetry.” J. Am. Chem. Soc., 1999, 121, 3246-3247.

(57) Keating, A.E.; Shin, S.H.; Huang, F.; Garrell, R.L.; Garcia-Garibay, M.A. “Experimental and Computational Modeling of Biphenyl Twisting in a Solid-to-Solid Carbene Reaction.” Tetrahedron Lett. 1999, 40, 261-264.

(56) Garcia-Garibay, M.A. “Chemical Reactivity in Organized Media: Statistical Entropy and Information in Crystals and Enzymes.” Curr. Opinion in Solid State and Material Science 1988, 3/4, 399-406 (invited manuscript).

(55) Koshima, H.; Khan, S.I.; Garcia-Garibay, M.A. “Chiral Crystalline Salts from Achiral Biphenylcarboxylic Acids and Tryptamine.” Tetrahedron Asymmetry 1998, 9, 1851-1854.

(54) Keating, A.E.; Garcia-Garibay, M.A.; Houk, K.N. “Influence of Bystander Substituents on the Rates of 1,2-H and 1,2-Ph Shifts in Singlet and Triplet Carbenes.” J. Phys. Chem. 1998, 102, 8467-8476.

(53) Johnson, B.A.; Garcia-Garibay, M.A. “Photochemistry Near Zero Kelvin. Quantum Mechanical Tunneling in the Photoenolization of Ortho-Alkyl-Arylketones.” The Spectrum 1998, 11, 1-7 (invited manuscript).

(52) Peterfy, K.; Garcia-Garibay, M.A. “Generation and Reactivity of a Triplet 1,4-Biradical Conformationally Trapped in a Crystalline Cyclopentanone.” J. Am. Chem. Soc. 1998, 120, 4540-4541.

(51) Gamarnik, A.; Johnson, B.A.; Garcia-Garibay, M.A. “Effects of Solvents on the Photoenolization of o-Methylanthrone at Low Temperatures. Evidence for H-Atom Tunneling from Nonequilibrating Triplets.” J. Phys. Chem. 1998, 102, 5491-5498.

(50) Keating, A.E.; Garcia-Garibay, M.A. “Photochemical Solid-To-Solid Reactions” in Organic and Inorganic Photochemistry; Ramamurthy, V., Schanze, K., Eds.; Marcel Dekker: New York, 1998, Vol. 2, pp. 195-248 (book chapter).

(49) McAlpine, S.R.; Garcia-Garibay, M.A. “Studies of Naphthyl-Substituted &beta-Cyclodextrins. Self-Aggregation and Inclusion of External Guests.” J. Am. Chem. Soc. 1998, 120, 4269-4275.

(48) Keating, A.E.; Garcia-Garibay, M.A.; Houk, K.N. “Origins of Stereoselective Carbene 1,2-Shifts and Cycloadditions of 1,2-Dichloroethylidene: A Theoretical Model Based on CBS-Q and B3LYP Calculations.” J. Am. Chem. Soc. 1997, 119, 10805-10809.

(47) Motschiedler, K.R.; Toscano, J.; Garcia-Garibay, M.A. “Arylalkylcarbenes from Triplet Arylalkyldiazoalkanes.” Tetrahedron Lett. 1997, 38, 949-952.

(46) Shin, S.; Keating, A.E.; Cizmeciyan, D.; Khan, S.I.; Garcia-Garibay, M.A. “Control of Carbene Reactivity by Crystals. A Highly Selective 1,2-H Shift in the Solid-to-Solid Reaction of 1-(4′-Biphenyl)-2-phenyldiazopropane to (Z)-1-(4′-Biphenylyl)-2-phenylpropene.” J. Am. Chem. Soc. 1997, 119, 1859-1868.

(45) Keating, A.E.; Shin, S.H.; Houk, K.N.; Garcia-Garibay, M.A. “Combining Quantum Mechanical Reaction Pathways with Force Field Lattice Interactions to Model a Solid-State Phototransformation.” J. Am. Chem. Soc. 1997, 119, 1474-1475.

(44) Cizmeciyan, D.; Sonnichsen, L.B.; Garcia-Garibay, M.A. “Proximity, Photochemical Reactivity, and Intermolecular 1H13C Cross Polarization in d10-Benzophenone and Cyclohexane in the Zeolite NaX.” J. Am. Chem. Soc. 1997, 119, 184-188.

(43) Choi, T.; Peterfy, K.; Khan, S.I.; Garcia-Garibay, M.A. “Molecular Control of Solid-State Reactivity and Biradical Formation from Crystalline Ketones.” J. Am. Chem. Soc. 1996, 118, 12477-12478.

(42) McAlpine, S.R.; Garcia-Garibay, M.A. “Binding Studies of Adamantanecarboxylic Acid and a Naphthyl-Bound &beta-Cyclodextrin by Variable Temperature 1H NMR.” J. Org. Chem. 1996, 61, 8307-8309.

(41) Shin, S.H.; Keating, A.E.; Garcia-Garibay, M.A. “Transforming a Nonselective Carbene Rearrangement into a Highly Selective Process by Using Crystalline Media.” J. Am. Chem. Soc. 1996, 118, 7626-7627.

(40) Garcia-Garibay, M.A.; Constable, A.E.; Jernelius, J.; Choi, T.; Cizmeciyan, D.; Shin, S.H. “Diffraction Spectral and Thermal Analysis of Mixed Crystalline Phases. Mechanisms of Solid-to-Solid Organic Reactions” in Physical Supramolecular Chemistry: NATO ASI Series 1996, 485, 289-312.

(39) McAlpine, S.R.; Garcia-Garibay, M.A. “Inside-Outside Isomerism of &beta-Cyclodextrin Covalently Linked with a Naphthyl Group.” J. Am. Chem. Soc. 1996, 118, 2750-2751.

(38) Johnson, B.A.; Gamarnik, A.; Garcia-Garibay, M.A. “Deuterium Tunneling in Triplet 5,8-Dimethyl-1-tetralone by Phosphorescence Detection between 80 and 15K.” J. Phys. Chem. 1996, 100, 4697-4700.

(37) Garcia-Garibay, M.A.; Jenks, W.S.; Pang, L. “Heterogeneous Hydrogen and Deuterium Transfer in the Excited State of 2-Methylbenzophenone in Ether-Pentane-Alcohol Glasses at 77K.” J. Photochem. Photobiol. A 1996, 96, 51-55.

(36) Ramamurthy, V; Garcia-Garibay, M.A. “Zeolites as Supramolecular Hosts for Photochemical Transformations” in Comprehensive Supramolecular Chemistry; Alberti, G., Bein, T., Eds.; Elsevier: New York, 1996, Vol. 7, Ch. 24, pp. 693-719.

(35) Choi, T.; Cizmeciyan, D.; Kahn, S.I.; Garcia-Garibay, M.A. “An Efficient Solid-to-Solid Reaction via a Steady-State Phase Separation Mechanism.” J. Am. Chem. Soc. 1995, 117, 12893-12894.

(34) Garcia-Garibay, M.A.; Gamarnik, A.; Bise, R.; Pang, L.; Jenks, W.S. “Primary Isotope Effects on Excited State Hydrogen Atom Transfer Reactions. Activated and Tunneling Mechanisms in an ortho-Methylanthrone.” J. Am. Chem. Soc. 1995, 117, 10264-10275.

(33) Garcia-Garibay, M.A.; Gamarnik, A.; Pang, L.; Jenks, W.S. “Excited State Intramolecular Hydrogen Atom Transfer at Ultralow Temperatures. Evidence for Tunneling and Activated Mechanisms in 1,4-Dimethylanthrone.” J. Am. Chem. Soc. 1994, 116, 12095-12096.

(32) Garcia-Garibay, M.A.; Shin, S.H.; Chao, I.; Houk, K.N.; Khan, S.I. “Solid-State 13C CPMAS NMR and Molecular Mechanics Study of Conformational Recognition in Mixed Crystals of Two Phenylalkyl Ketones.” Chem. Mater. 1994, 6, 1297-1306.

(31) Evans, S.V.; Yee, V.C.; Garcia-Garibay, M.A.; Trotter, J. “Structure of a Mixed Crystal of &alpha- and &beta-Pipitzol (1:1), C15H20O3.C15H20O3.” Acta Cryst. 1994, C50, 278-281.

(30) Winnik, F.M.; Ottaviani, M.F.; Bossmann, S.H.; Pan, W.; Garcia-Garibay, M.A.; Turro, N.J. “Phase Separation of Poly-(N-isopropylacrylamide) in Water: A Spectroscopic Study of a Polymer Tagged with a Fluorescent Dye and a Spin Label.” J. Phys. Chem. 1993, 97, 12998-13005.

(29) Garcia-Garibay, M.A.; Theroff, C.; Shin, S.H.; Jernelius, J. “Solvent Effects on the Singlet-Triplet Equilibrium and Reactivity of a Ground Triplet State Arylalkyl Carbene.” Tetrahedron Lett. 1993, 34 (2), 8415-8418.

(28) Ottaviani, M.F.; Garcia-Garibay, M.A.; Turro, N.J. “TEMPO Radicals as EPR Probes to Monitor the Adsorption of Different Species into X-Zeolite.” Colloids and Surfaces A: Physicochemical and Engineering Aspects 1993, 72, 321.

(27) Garcia-Garibay, M.A. “Reaction of Arylcarbenes with Methanol: Triplet-State Reactivity or Spin-State Equilibrium as a Moving Target?” J. Am. Chem. Soc. 1993, 115, 7011.

(26) Casswell, L.; Garcia-Garibay, M.A.; Scheffer, J.R.; Trotter, J. “Optical Activity Can Be Created from Nothing.” J. Chem. Ed. 1993, 70, 785.

(25) Winnik, F.M.; Ottaviani, M.F.; Bossmann, S.H.; Pan, W.; Garcia-Garibay, M.A.; Turro, N.J. “Cononsolvency of Poly(N-Isopropylacrylamide): A Look at Spin-Labeled Polymers in Mixtures of Water and Tetrahydrofuran.” Macromolecules 1993, 26, 4577.

(24) Garcia-Garibay, M.A.; Ottaviani, M.F.; Turro, N.J. “Solid State NMR and EPR Studies of Intracrystalline vs. External Surface Adsorption of Photoreactive Ketones in Pentasil Zeolites.” Mol. Crys. Liq. Crys. Inc. Nonlin. Opt. 1992, 211, 199.

(23) Garces, F.O.; Rao, V.P.; Garcia-Garibay, M.A.; Turro, N.J. “A Comparison of the 1H—13C Cross Polarization and Magic Angle Spinning Dynamics of the &alpha-,&beta-, and &gamma-Cyclodextrin Inclusion Complexes of Benzaldehyde.” J. Supramol. Chem. 1992, 1, 65.

(22) Winnik, F.M.; Ottaviani, M.F.; Bossmann, S.H.; Garcia-Garibay, M.A.; Turro, N.J. “Cononsolvency of Poly(N-isopropylacrylamide) in Mixed Water-Methanol Solutions: A Look at Spin-Labeled Polymers.” Macromolecules 1992, 25, 6007-6017.

(21) Garcia-Garibay, M.A.; Scheffer, J.R.; Watson, D.G. “Prototropic Control of Organic Photochemistry. Hydrogen Bonding Effects on the Di-π-methane Photorearrangement.” J. Org. Chem. 1992, 57, 241.

(20) Garcia-Garibay, M.A.; Lei, X.; Turro, N.J. “Radical Scavenging in Zeolite Media.” J. Am. Chem. Soc. 1992, 114, 2749.

(19) Welsh, K.M.; Dektar, J.L.; Garcia-Garibay, M.A.; Hacker, N.P.; Turro, N.J. “Photo-CIDNP and Nanosecond Laser Flash Photolysis Studies on the Photodecomposition of Triarylsulfonium Salts.” J. Org. Chem. 1992, 57, 4179-4184.

(18) Garcia-Garibay, M.A.; Zhang, Z.; Turro, N.J. “Diffusion and Percolation of Radical Pairs in Zeolite Media. A Product Analysis Study.” J. Am. Chem. Soc. 1991, 113, 6212-6218.

(17) Ramamurthy, V.; Corbin, D.R.; Turro, N.J.; Zhang, Z.; Garcia-Garibay, M.A. “Modification of Photochemical Reactivity by Zeolites. A Comparison between Zeolite-Solvent Slurry and Dry Solid State Photolyses.” J. Org. Chem. 1991, 56, 255-261.

(16) Turro, N.J.; Garcia-Garibay, M.A. “Thinking Topologically About Photochemistry in Restricted Spaces” in Photochemistry in Organized and Constrained Media; Ramamurthy, V., Ed.; VCH Publishers: New York, 1991.

(15) Garcia-Garibay, M.; Scheffer, J.R.; Trotter, J.; Wireko, F.C. “Crystal Structures and Solid-State Photochemistry of an Unsymmetrically Substituted Dibenzobarrelene and Its Two Photoproducts (Dibenzosemibullvalenes).” Acta Cryst. 1990, B46, 79-87.

(14) Garcia-Garibay, M.; Scheffer, J.R.; Watson, D. “Prototropic Control of the Di-π-Methane Photorearrangement.” J. Chem. Soc. Chem. Comm. 1989, 600-601.

(13) Scheffer, J.R.; Garcia-Garibay, M. “Absolute Asymmetric Synthesis via Photochemical Reactions of Chiral Crystals” in Photochemistry of Solid Surfaces; Matsuura, T., Anpo, M., Eds.; Elsevier: Amsterdam, 1989.

(12) Chen, J.; Garcia-Garibay, M.; Scheffer. “Chiral Handle-Induced Diastereoselectivity in an Organic Photorearrangement: Solution Versus Solid State Results.” Tetrahedron Lett. 1989, 30, 6125.

(11) Ariel, S.; Garcia-Garibay, M.A.; Scheffer, J.R.; Trotter, J. “Structure of a Cyclization Photoproduct of 1-(4-Chlorophenyl)-2-Cyclohexylethanone.” Acta Cryst. 1989, C45, 1970-1973.

(10) Ariel, S.; Garcia-Garibay, M.; Scheffer, J.R.; Trotter, J. “Crystal Structure of a Cyclization Photoproduct of 1-(4-Chlorophenyl)-2-Cyclooctylethanone, and Reaction Pathway in Norrish Type II Cyclizations.” Acta Cryst. 1989, B45, 153-158.

(9) Garcia-Garibay, M.; Scheffer, J.R.; Trotter, J.; Wireko, F. “Determination of the Absolute Steric Course of a Solid-State Photorearrangement by Anomalous Dispersion X-ray Crystallography.” J. Am. Chem. Soc. 1989, 111, 4985.

(8) Garcia-Garibay, M.; Scheffer, J.R.; Trotter, J.; Wireko, F. “Intermolecular Steric Effects on Unimolecular Rearrangements in Crystalline Media.” Tetrahedron Lett. 1988, 29, 2041.

(7) Ariel, S.; Evans, S.V.; Garcia-Garibay, M.; Harkness, B.R.; Omkaram, N.; Scheffer, J.R.; Trotter, J. “The Generation of 1,4-Biradicals in Rigid Media: Crystal Structure-Solid State Reactivity Correlations.” J. Am. Chem. Soc. 1988, 110, 5591.

(6) Scheffer, J.R.; Trotter, J.; Garcia-Garibay, M.; Wireko, F. “Studies on the Di-π-Methane Rearrangement in the Solid State.” Mol. Cryst. Liq. Cryst. Inc. Nonlin. Opt. 1988, 156, 63.

(5) Garcia-Garibay, M.; Scheffer, J.R.; Trotter, J.; Wireko, F. “Addition of Bromine Gas to Crystalline Dibenzobarrelene: An Enantioselective Carbocation Rearrangement in the Solid State.” Tetrahedron Lett. 1988, 29, 1485.

(4) Garcia-Garibay, M.; Scheffer, J. R.; Trotter, J.; Wireko, J. “Triplet Energy Sensitization of a Crystalline Phase Photorearrangement.” Tetrahedron Lett. 1987, 28, 1741.

(3) Garcia-Garibay, M.; Scheffer, J.R.; Trotter, J.; Wireko, F. “Generation of Optical Activity Through Solid State Reaction of a Racemic Mixture that Crystallizes in a Chiral Space Group.” Tetrahedron Lett. 1987, 28, 4789.

(2) Evans, S.V.; Garcia-Garibay, M.; Omkaram, N.; Scheffer, J.R.; Trotter, J.; Wireko, F. “Use of Chiral Single Crystals to Convert Achiral Reactants to Chiral Products in High Optical Yield: Application to the Di-p-Methane and Norrish Type II Photorearrangements.” J. Am. Chem. Soc. 1986, 108, 5648.

(1) Scheffer, J.R.; Garcia-Garibay, M.; Omkaram, N. “The Influence of the Molecular Crystalline Environment on Organic Photorearrangements” in Organic Photochemistry; Padwa, A., Ed.; Marcel Dekker: New York, 1986; p. 249.