Synthesis and 1H NMR study of 3,4-di ethyl-1,2,3,3a,4,5-hexahydro-canthinone-6 |
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| Authors: | André De Bruyn Guy Eeckhaut Juan Villaneuva Jean Hannart |
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| Institution: | Laboratory of Organic Chemistry, State University of Ghent, Krijgslaan, 281 (S4), B-9000 GentUK;OMNICHEM, rue du Fonds Jean-P»ques, 8, Parc Scientifique, B-1348 LOUVAIN-LA-NEUVEUK |
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| Abstract: | The racemic mixtures of the two epimers of 3,4-diethyl-l,2,3,3a,4,5-hexahydro-canthinone-6 (3,4-diethyl-2,3,3a,4,5,6-hexahydro-6-oxo-1H-indolo-(3,2,1 ,de) (1,5)naphtyridine) have been prepared. They were separated by crystallization of one of the synthesis intermediates. Identification of the configuration was possible by 1h NMR spectroscopy after running a 2D J-resolved spectrum of the “cis”-isomer. |
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