Studies on photochromic benzimidazol[1,2a]pyrrolidin-2-ones from the condensation of 2-methyl-3-benzothienylethylidene-(isopropylidene)succinic anhydride with 1,2-diaminobenzenes |
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| Institution: | 1. College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454003, China;2. Department of Chemistry, Xinxiang Medical University, Xinxiang 453002, China;1. School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China;2. School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China;1. Advanced Institute for Science and Technology (AIST) and International Training Institute for Materials Science Hanoi University of Science and Technology, 01 Dai Co Viet Street,Hanoi 10000,Vietnam;2. Institute of Materials Science (IMS), Vietnamese Academy of Science and Technology (VAST), 18 Hoang Quoc Viet Street, Hanoi 10000, Vietnam;1. Institute of Chemistry, Faculty of Mathematics, Physics and Chemistry, University of Silesia, Szkolna 9, 40-007 Katowice, Poland;2. Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Sklodowska 34, 41-819 Zabrze, Poland;3. Institute of Physics, Faculty of Physics, Astronomy and Informatics, Nicolaus Copernicus University, Grudziadzka 5, 87-100 Torun, Poland;4. Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa 42, Poland;1. CSIR – Indian Institute of Chemical Technology, I&PC Division, Uppal Road, Tarnaka, Hyderabad 500 607, India;2. Academy of Scientific and Innovative Research, CSIR-IICT, India;3. Photovoltaic Materials Unit, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan;1. Departamento de Química Orgánica, Facultad de Ciencias and Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain;2. Laboratório de Química Biorgânica, Instituto de Pesquisas de Produtos Naturais, Centro de Ciencias da Saúde, Universidade Federal do Rio de Janeiro, Cidade Universitária, 21941-590 Rio de Janeiro, Brazil;3. Instituto de Síntesis Orgánica, Universidad de Alicante, Spain;4. Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, E-20018 San Sebastián, Spain |
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| Abstract: | Novel photochromic benzimidazol1,2a]pyrrolidin-2-ones, which give thermally stable highly coloured photochromes, have been synthesised by condensation of 2-methyl-3-benzothienylethylidene(isopropylidene)succinic anhydride with 1,2-diaminobenzene and its 4,5-dimethyl and 4,5-dimethoxy derivatives. The photochromic properties are reported. |
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