Efficient asymmetric synthesis of [7]helicene bisquinones |
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| Authors: | Carreño M Carmen González-López Marcos Urbano Antonio |
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| Institution: | Departamento de Química Orgánica, Universidad Autónoma de Madrid, Cantoblanco, 28049-Madrid, Spain. carmen.carrenno@uam.es |
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| Abstract: | The efficient one-pot six-step domino process which occurs when (SS)-2-(p-tolylsulfinyl)-1,4-benzoquinone (1) reacts with 3,6-divinyl-1,2,7,8-tetrahydrophenanthrenes 2a-c allowed enantioselective access to 7]helicene bisquinones 3a-c with excellent optical purities (96 to > 99% ee). |
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