Lewis Acid Catalyzed Intramolecular [4+2] and [3+2] Cross‐Cycloaddition of Alkynylcyclopropane Ketones with Carbonyl Compounds and Imines | Zendy

Bai Yu | Zendy; Tao Weijie | Zendy; Ren Jun | Zendy; Wang Zhongwen | Zendy

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Lewis Acid Catalyzed Intramolecular [4+2] and [3+2] Cross‐Cycloaddition of Alkynylcyclopropane Ketones with Carbonyl Compounds and Imines

Author(s) -

Bai Yu,

Tao Weijie,

Ren Jun,

Wang Zhongwen

Publication year - 2012

Publication title -

angewandte chemie

Language(s) - German

Resource type - Journals

eISSN - 1521-3757

pISSN - 0044-8249

DOI - 10.1002/ange.201200450

Subject(s) - intramolecular force , lewis acids and bases , chemistry , cycloaddition , stereochemistry , catalysis , intramolecular reaction , medicinal chemistry , organic chemistry

Ein Baustein, zwei Brücken : Die Wahl der katalysierenden Lewis‐Säure (LS, π: π‐elektrophil, σ: σ‐elektrophil) bestimmt den Reaktionsweg ([4+2] oder [3+2]) von katalytischen intramolekularen Cycloadditionen (IMCCs) eines Alkinylcyclopropan(ACP)‐Ketons. Mit dieser allgemeinen Methode gelingt der stereoselektive Aufbau verschiedener verbrückter Oxa‐/Aza‐[ n. 3.1]‐ und Oxa‐/Aza‐[ n. 2.1]‐Gerüste (siehe Schema).

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