Teydealdehyde, a C23‐Terpenoid from Transformed Root Cultures of Nepeta teydea.
ChemInform(2013)
摘要
Abstract Teydealdehyde, a C 23 -terpenoid with a new carbon skeleton, has been isolated from Nepeta teydea root cultures transformed by Agrobacterium rhizogenes . Its structure, determined from HRMS, 1 D and 2 D NMR data, shows four cycles with a five membered A ring deoxygenated at C-3 and with a C-2 aldehyde group at C-1. The B-, C- and D-rings are similar to those of the oleanane, ursane and lupane triterpenes, but the last cycle contains an α,β-unsaturated ketone as the result of a ring E biodegradation process of a pentacyclic triterpene precursor.
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关键词
nepeta teydealdehyde,transformed root cultures,cheminform abstract
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