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A novel synthesis of quinone-immonium dyes
Affiliation:1. Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM), Nanjing Tech University, Nanjing, 211816, China;2. Hefei National Research Center for Physical Science at the Microscale, University of Science and Technology of China, Hefei, 230026, China;1. Department of Physics, Anhui Normal University, Anhui, Wuhu 241000, China;2. School of Science, Huzhou University, Zhejiang, Huzhou 10083, China;3. School of Physics, Beijing Institute of Technology, Beijing 100081, China;1. School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea;2. Pohang Accelerator Laboratory, POSTECH, Pohang, 37673, Republic of Korea;3. Department of Chemistry, Institute for Molecular Science and Fusion Technology, Kangwon National University, Chunchon, 24341, Republic of Korea;1. Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk 660041, Russia;2. Institute of Chemistry and Chemical Technology, SB RAS, FRC “Krasnoyarsk Science Center SB RAS”, 50/24 Akademgorodok, Krasnoyarsk 660036, Russia;3. Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk 630090, Russia;4. Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk 630090, Russia;1. Laboratorio de Corrosión, Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. República 275, Santiago, Chile;2. Sorbonne Universités, UPMC Univ Paris 06, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 4 Place Jussieu, 75252 Paris Cedex 05, France
Abstract:A new method was invoked to synthesize the colored quinoneimmonium cations from the reactions of DMSO with aromatic amines. The novel feature about this method is the use of DMSO as the methylating agent with a lewis acid such as TiCl4 as a catalyst. This reduced the number of steps traditionally used to prepare these dyes from aromatic amines.
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