Synthesis of spirocyclopropane carboxylic acids from flavanones and their conversion to the corresponding pyridazinones
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The conversion of flavanones to spirocyclopropane carboxylic acids is reported. It has been shown that a mixture of three isomers is formed. Their structure and configuration have been elucidated from PMR data. Substituted pyridazinones were obtained from the synthesized acids.
KeywordsOrganic Chemistry Carboxylic Acid Flavanone Pyridazinones
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