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Knoevenagel condensation products from some cyclic ketones : Structure and stereochemistry
Affiliation:1. Zavoisky Kazan Physical-Technical Institute, Russian Academy of Science, Sibirsky Tract 10/7, 420029 Kazan, Russia;2. Kazan Federal University, Kremlyovskaya St. 18, 420008 Kazan, Russia;3. International Tomography Center SB RAS, Institutskaya 3a, 630090 Novosibirsk, Russia;4. Kazan National Research Technological University, K. Marx Str. 68, 420015 Kazan, Russia;5. G.A. Krestov Institute of Solution Chemistry, Russian Academy of Science, Akademicheskaya St. 1, 153045 Ivanovo, Russia;1. Research Institute for Green Energy Convergence Technology (RIGET), Gyeongsang National University, Jinju 660-701, South Korea;2. Department of Chemistry and RIGET, Gyeongsang National University, Jinju 660-701, South Korea;3. School of Chemical Engineering, Sungkyunkwan University, Gyeonggi-do 440-746, South Korea;1. Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China;2. Collaborative Innovation Center of Chemistry for Energy Materials, The State Key Laboratory of Physical Chemistry of Solid Surfaces, and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China
Abstract:NMR spectra are used to determine the stereochemistry of the Knoevenagel condensation products of type I. Correct structures are given for the products of condensation between ethyl cyanoacetate and isatin, indan-1-one, or indan-2-one; and between α-tetralone and cyano-acetamide.
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