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The development of natural gas resources in the Marcellus Shale formation has progressed rapidly in the last several years, particularly in the Commonwealth of Pennsylvania. These activities require many heavy truck trips for equipment and materials, which can damage state and local roads that were not designed for high volumes of heavy truck traffic. For(More)
[reaction: see text] The mechanisms of perphenylbutenyne reactivity are examined through B3LYP and multireference ab initio calculations on model systems. Calculations for the formation of a naphthalene derivative suggest a process similar to that seen previously in the literature. A new mechanism for perphenylbutenyne dimerization to form a semibullvalene(More)
Two (13)C-labeled isomers of the formal Diels-Alder adduct of acetylmethyloxirene to tetramethyl 1,2,4,5-benzenetetracarboxylate have been synthesized. Flash vacuum thermolysis of these adducts leads to various isotopic isomers of acetylmethylketene, the ratios of which have been determined by NMR. The surprising finding that the principal product comes(More)
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