High-pressure Diels-Alder cycloaddition reactions of 5-ethenyl[2.2]indeno- paracyclophane (1) with 1,4-benzoquinone (2), N-phenylmaleimide (3), and 2-inden-1-one (4) have been studied. Attempts to convert the cycloadducts into the corresponding aromatic helicenophanes failed. All new compounds were characterized by extensive nuclear magnetic resonance (NMR) investigations.
High pressure Diels-Alder Reaction. Preparation of [2.2]paracyclophane derivatives
MINUTI, Lucio;TATICCHI, Aldo;MARROCCHI, Assunta;
2003
Abstract
High-pressure Diels-Alder cycloaddition reactions of 5-ethenyl[2.2]indeno- paracyclophane (1) with 1,4-benzoquinone (2), N-phenylmaleimide (3), and 2-inden-1-one (4) have been studied. Attempts to convert the cycloadducts into the corresponding aromatic helicenophanes failed. All new compounds were characterized by extensive nuclear magnetic resonance (NMR) investigations.File in questo prodotto:
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