Photoreactions of quinine in aqueous citric acid solution. part 2, some end-products |
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| Affiliation: | 1. Dr. M.G.R Educational and Research Institute, Chennai-600029, Tamil Nadu, India;2. Department of Chemistry and Physics, Monmouth University, West Long Branch, NJ, 07764, USA;1. Department of Chemical Engineering, Inner Mongolia University of Technology, 010051 Huhhot, China;2. School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China;1. Division of Organic Chemistry, National Chemical Laboratory (CSIR-NCL), Pune 411008, India;2. Combichem Bioresource Centre, National Chemical Laboratory, Pune, India;1. Department of Applied Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8552, Japan;2. Research Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science, National Institutes of Natural Science, Myodaiji, Okazaki, Aichi, 444-8787, Japan;3. Department of Structural Molecular Science, the Graduate University of Advanced Sciences, Myodaiji, Okazaki, Aichi, 444-8787, Japan;4. Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan;1. Department of Organic Chemistry, Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, Saint Petersburg 199034, Russia;2. Department of Chemistry, Saint Petersburg State Forest Technical University, Institutsky per., 5, Saint Petersburg 194021, Russia |
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| Abstract: | A novel spiro-compound derived from 2',4'-b1s-(1,3-dicarboxy-2-hydroxyprop-2-y1) -1',4'-dihydroquinine has been identified as a major end-product of the irradiation of quinine in aqueous citric acid solution. 7'-(1,3-Dicarboxy-2-hydroxyprop-2-yl)deoxyquinine and products arising from the cleavage of quinine at C-9 were also detected in the reaction mixture. |
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