ChemInform Abstract: Chiral Phosphine‐Catalyzed Tunable Cycloaddition Reactions of Allenoates with Benzofuranone‐Derived Olefins for a Highly Regio‐, Diastereo‐ and Enantioselective Synthesis of Spiro‐Benzofuranones. Issue 11 (February 2016)

• Record Type: Journal Article
• Authors: Wang, De; Wang, Guo‐Peng; Sun, Yao‐Liang; Zhu, Shou‐Fei; Wei, Yin; Zhou, Qi‐Lin; Shi, Min
• Is Part Of: ChemInform. Volume 47:Issue 11(2016)
• Page Start: no
• Page End: no
• Publication Date: 2016-02
• Subjects: spirocyclic compounds (heterocyclic compounds) -- cycloaddition reactions -- benzofuran derivatives -- diastereoselective syntheses, enantioselective syntheses (incl. cis/trans‐isomerism) -- regioselective reactions; Chemistry -- Abstracts -- Periodicals; 540.5
• DOI: 10.1002/chin.201611120
• Languages: English
• ISSNs: 0931-7597

Abstract

Abstract: The SBIP‐catalyzed reaction of benzofuranone alkene (I) with allenes (II) affords γ‐addition [3 + 2] cycloadducts (III) with high enantioselectivity, whilst the reaction with allenes (IV) gives rise to α‐addition [3 + 2] cycloadducts (V).