Overcoming the Usual Reactivity of β-Nitroenones: Synthesis of Polyfunctionalized Homoallylic Alcohols and Conjugated Nitrotriene Systems

克服 β-硝基酮的常见反应性:多官能化同型烯丙基醇和共轭硝基三烯体系的合成

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作者:Lixia Yuan, Liudmila Kachalova, Muhammad E I Khan, Roberto Ballini, Marino Petrini, Alessandro Palmieri

Abstract

Herein, we report a new application of β-nitroenones as valuable building blocks for the preparation of polyfunctionalized homoallylic alcohols; they can be used as key precursors of conjugated nitrotriene systems. The synthesis of homoallylic alcohols was performed exploiting the chemoselective addition of metal allylating agents to the ketone moiety vs the nitroalkenyl group. The conversion of alcohols into nitrotrienes was achieved under Lewis-acid-promoted conditions. Both classes of compounds were obtained in good to excellent yields.

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