<sup>13</sup>C NMR of carbonyl compounds. 3. Structure and dynamics of protonated enones and dienones期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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¹³C NMR of carbonyl compounds. 3. Structure and dynamics of protonated enones and dienones

Authors:	Klaus Müllen Eleni Kotzamani Hans Schmickler Bruno Frei

Institution:	1. Institut für Organische Chemie der Universität Köln, D-5 Köln 41, Germany;2. Institut für Organische Chemie der Johannes Gutenberg-Universität, D-65 Mainz, Germany;3. Laboratorium für Organische Chemie der ETH-Zürich, CH-8092 Zürich, Switzerland

Abstract:	The unsaturated ketones $1$ 1 – $10$ 10 were protonated at low temperatures and studied by dynamic ¹³C NMR spectroscopy. Four interconverting stereoisomers were detected which differ in their conformation with respect to the CO and CC (enone) single bond.

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