1,4-Anthraquinonoid dienophiles applicable to synthesis of linear tetracycles |
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| Affiliation: | 1. Department of Biochemical Engineering, Yangzhou Polytechnic University, Yangzhou 225000, China;2. College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, China;1. Department of Chemistry, Durham University, Durham, DH1 3LE, UK;2. Procter and Gamble Technical Centres Limited, Rusham Park, Whitehall Lane, Egham, Surrey, TW2 9NW, UK;1. Departamento de Química, Universidade Federal de Santa Maria, 97105-900, Santa Maria, RS, Brazil;2. Instituto de Química Rosario (IQUIR, CONICET-UNR), Suipacha 531, 2000 Rosario, Argentina;1. Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, km 4.5 Carretera Pachuca-Tulancingo, Mineral de la Reforma, Hidalgo 42184, Mexico;2. Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Apartado 137, Morelia, Michoacán 58000, Mexico;3. Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Apartado 14-740, México D.F. 07000, Mexico |
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| Abstract: | Derivatives of 1,4-anthraquinones (3), (21) are shown to be good dienophiles for achieving strongly regiocontrolled synthesis of linear tetracycles, a property greatly enhanced by their ease of formation and of subsequent replacement of the chloride. |
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