Abstract
Hispidone, a new flavanone, has been isolated from Onosma hispida and assigned the structure (2S)-5,2'-dihydroxy-7,4',5'-trimethoxyflavanone (1) by spectroscopic methods. In addition, (2S)-5,2'-dihydroxy-7,5'-dimethoxyflavanone (2), benzoic acid (3), and 4-hydroxy benzoic acid (4) are also reported for the first time from this species.
MeSH terms
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Animals
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Boraginaceae*
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Butyrylcholinesterase / metabolism
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Cholinesterase Inhibitors / chemistry*
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Cholinesterase Inhibitors / isolation & purification
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Cholinesterase Inhibitors / pharmacology*
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Horses
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Plant Extracts / chemistry
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Plant Extracts / isolation & purification
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Plant Extracts / pharmacology
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Plant Structures
Substances
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Cholinesterase Inhibitors
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Plant Extracts
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Butyrylcholinesterase