Daniel J. Donovan

FRIEDEL‐CRAFTS CHEMISTRY. 1

Molecules with an M4X4 core. IV. Crystallographic detection of a step configuration for the tetracopper tetraiodide core in tetrameric triphenylphosphinecopper(I) iodine, [PPh3CuI]4

Stable carbocations. 208. Carbon-13 nuclear magnetic resonance spectroscopic study of alkyl cations. The constancy of carbon-13 nuclear magnetic resonance methyl substituent effects and their application in the study of equilibrating carbocations and the mechanism of some rearrangements

Reactions of isocyanides with activated acetylenes in protic solvents

Carcinogen chemistry. 2. Carbon-13 nuclear magnetic resonance spectroscopic study of the ambident carbocationic nature of iminium ions and its relevance to the aminoalkylating ability of related chemical carcinogens

Low-temperature carbon-13 nuclear magnetic resonance spectroscopic investigation of C4H7+. Evidence for an equilibrium involving the nonclassical bicyclobutonium ion and the bisected cyclopropylcarbinyl cation

Stable carbocations. 213. The search for stable nitrenium ions: protonation of benzoquinone monooximes in superacids and the study of their structure by proton and carbon-13 nuclear magnetic resonance spectroscopy

Friedel-Crafts chemistry. 10. Observation of the methyl fluoride-antimony pentafluoride complex in sulfuryl fluoride solution, an exceedingly low nucleophilicity solvent. Reinvestigation of the complex in sulfur dioxide and sulfuryl chloride fluoride solution showing O-methylation

Carcinogen chemistry. 4. (Haloalkyl)oxonium and (haloalkyl)carboxonium ions. Preparation, nuclear magnetic resonance structural study, and alkylating ability

Stable carbocations. 214. Effect of solvents of decreasing nucleophilicity (sulfur dioxide, sulfuryl chloride fluoride, sulfuryl fluoride, and methylene fluoride) on the complex formation and ionization of alkyl fluorides (chlorides) with antimony and arsenic pentafluoride