The tautomerism of hydroxy derivatives of five-membered oxygen,nitrogen, and sulfur heterocycles |
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| Affiliation: | 1. Department of Applied Chemistry, Kyungpook National University, Daegu, 702-701, South Korea;2. Department of Applied Chemistry, SV National Institute of Technology, Surat, Gujrat 395007, India;3. Department of Chemistry & Advanced Materials, Kosin University, 194 Wachi-Ro, Yeongdo-gu, Busan 606-701, South Korea;1. Department of Applied Chemistry, Kyungpook National University, Daegu 41566, Republic of Korea;2. Department of Applied Chemistry, SV National Institute of Technology, Surat 395007, Gujarat, India;1. Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China;2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;1. Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, PR China;2. Zhejiang Bestwa EnviTech Co. Ltd., PR China;1. Key Laboratory of Traditional Chinese Medicine Research and Development of Hebei Province, Institute of Traditional Chinese Medicine, Chengde Medical University, Chengde 067000, Hebei, China;2. Department of Pathogen Biology, Chengde Medical University, Chengde 067000, Hebei, China |
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| Abstract: | The unstable enolic tautomers 3-hydroxyfuran, 2- and 3-hydroxythiophene, 3-hydroxy-pyrrole, 3-hydroxy-1-methyl-pyrrole and their benzo-derivatives have been generated in solution and the rate and equilibrium constants for their ketoization determined. |
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