Reactions of Cycloalkeno-1,2,3-selenadia
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Prof. Dr. Keith H. Pannell; Dr. Armin J. Mayr; Rodney Hoggard; Prof. Dr. Roger C
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Article
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1980
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John Wiley and Sons
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English
β 210 KB
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1). The aromatic protons form an AA'BB' system and the three-membered ring protons and ABX system. The detailed analysis of both systems permits exact determination only of the parameters of the aromatic protons. Protons and coupling constants of the ABX system can be assigned on the assumption that