High pressure [4+2] and [2+2+2] reactions between cycloheptatriene and methyl propiolate |
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| Authors: | Mihail Papadopoulos Gérard Jenner |
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| Affiliation: | Laboratoire de Piézochimie Organique, Chimie Organique Appliquée, ENSCS, Université Louis Pasteur, 1, rue Blaise Pascal, 67008 Strasbourg, France |
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| Abstract: | Under high pressure conditions, cycloheptatriene reacts with methyl propiolate to afford mono-, bis- and trisadducts all retaining, the norcaradiene structure. The four new compounds are formed via [4+21] and [2+2+2] cycloadditions. The latter are examples for the high pressure extension of the scope of homo-Diels-Alder reactions. |
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