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Metal-free synthesis of novel indolizines from chromones and pyridinium salts via 1,3-dipolar cycloaddition, ring-opening and aromatization. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.04.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Heinicke JW. π-Excess-aromatic and non-aromatic 1,3-azaphospholes – impact of annulation and multiple reactivity. PURE APPL CHEM 2019. [DOI: 10.1515/pac-2018-0705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractSyntheses, properties, structure aspects and reactivity of non- and aromatically carbo- and heterocyclic annulated1H- and3H-1,3-azaphospholes are compared to illuminate the impact of annulation, substituent effects, aromatic stabilization and π-excess at phosphorus of the1H-isomers, to demonstrate the current knowledge and open questions in this field of research.
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Affiliation(s)
- Joachim W. Heinicke
- Institut für Biochemie, Universität Greifswald , Felix-Hausdorff-Str. 4 , 17487 Greifswald , Germany
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