254. "Excited State Energy Distribution and Redistribution and Chemical Reactivity; Mechanistic and Exploratory Organic Photochemistry”, Zimmerman, H. E.; Alabugin, I. V. J. Am. Chem. Soc., 2000, 122, 952-953.

255. "Crystal Lattice Photochemistry Often Proceeds in Discrete Stages; Mechanistic and Exploratory Organic Photochemistry", Zimmerman, H. E.; Nesterov, E. E. Organic Letters, 2000, 2, 1169-1171.

256. "The Tri-p-Methane Rearrangement; Mechanistic and Exploratory Organic Photochemistry", Zimmerman, H. E.; Cirkva, V. Organic Letters, 2000, 2, 2365-2367

257. "Experimental and Theoretical Host-Guest Photochemistry; Control of Reactivity with Host Variation and Theoretical Treatment With a Stress Shaped Reaction Cavity; Mechanistic and Exploratory Organic Photochemistry", Zimmerman, H. E.; Alabugin, I. V.; Smolenskaya, V. N, Tetrahedron, Symposium-in-Print, 2000, 6821-6831.

258. "Rod-like Molecules and Singlet Energy Transfer", Zimmerman, H.E.; Lapin, Y.; Nesterov, E. E.; Sereda, G. A. J. Org. Chem., 2000, 65, 7740-7746.

259. “A Ground State Tri-p-Methane Rearrangement”, Zimmerman, H.E.; Cirkva, V.; Jiang, L. Tetrahedron Lett., 2000, 41, 9595-9597.

260. “Energy Distribution and Redistribution and Chemical Reactivity. The Generalized Delta Overlap-Density Method for Ground State and Electron Transfer Reactions; A new Quantitative Counterpart of Electron Pushing”, Zimmerman, H. E.; Alabugin, I. V. J. Am. Chem. Soc. 2001, 121, 2265-2270

261. “The Tri-p-Methane Rearrangement; Excited and Ground State Versions; Mechanistic and Exploratory Organic Photochemistry”, Zimmerman, H. E.; Cirkva, V. J. Org. Chem. 2001, 66, 1839-1851.

262. “An Unusual Rearrangement and its Dependence on Stereochemistry”, Zimmerman, H. E.; Wang, P., Helvetica Chim Acta, 2001, 84, 1342-1346.

263. “Development of Experimental and Theoretical Crystal Lattice Organic Photochemistry; Mechanistic and Exploratory Organic Photochemistry”, Zimmerman, H. E.; Nesterov, E. E., . Acc. Chem. Res, 2002, 20, 77-85.

264. “Quantitative Cavities and Reactivity in Stages of Crystal Lattices; Mechanistic and Exploratory Organic Photochemistry”, Zimmerman, H. E.; Nesterov, E. E. J. Am. Chem. Soc. 2002, 124, 2818-2830.

265. “The Diverted Di-p-Methane Rearrangement; Mechanistic and Exploratory Organic Photochemistry”, Zimmerman, H. E.; Chen, W-C, Org. Letters, 2002, 4, 1155-1158.

266. “Intramolecular Proton Transfer”, Zimmerman, H. E.; Wang, P., Organic Letters, 2002, 4, 2593-2595.

267. “Inter and Intramolecular Stereoselective Protonation of Enols”, Zimmerman, H. E.; Wang, P., J. Org. Chem. 2002, 69, 9216-9226.

 268. “Crystal Lattice Effects on the Photochemistry of 6-Substituted Cyclohexenones”, Zimmerman, H. E.; Sereda, G. A. J. Org. Chem. 2003, 68, 283-292.

 269. An Unusual Abnormal Wolff Rearrangement”, Zimmerman, H. E.; Wang, P., Can. J. Chem. 2003, xx, 0000-0000.

 270. “An Experimental and Theoretical Study of the Type C Enone Rearrangement; Mechanistic and Exploratory Organic Photochemistry”, Zimmerman, H. E.; Nesterov, E. E. J. Am. Chem. Soc. 2002, 124, 0000-0000.

 271. ”A Theoretical Approach to Solid State Organic Photochemistry; Mechanistic and Exploratory Organic Photochemistry”, Howard E. Zimmerman, Chapter X in "Computational Photochemistry," Zimmerman, H. E., Ed.A. Kutateladze, 000-000, Marcel-Dekker, New York, 2002.

 272. ”Some Theoretical Applications to Organic Photochemistry; Excited State and Open Shell Examples”, Howard E. Zimmerman, Chapter X in "Computational Photochemistry", Zimmerman, H. E., Ed.A. Kutateladze, 000-000, Marcel-Dekker, New York, 2002.

 273. ”The Quantitative Cavity Concept in Crystal Lattice Organic Photochemistry; Mechanistic and Exploratory Organic Photochemistry ", Zimmerman, H. E., in CRC Handbook of Photochemistry and Photobiology, Ed. Horspool, W., 000-000, CRC Inc., 2002.