顶点
发表于 2025-3-25 03:29:51
Gas Chromatographic Characterization of Frequently Occurring Sesqui-Terpenes in Essential Oils,tion of frequently occurring sesquiterpenes in essential oils. The standard deviation, calculated from the relative retention factors of the same sesquiterpene, determined in different oils, did not exceed 6 × 10..
性别
发表于 2025-3-25 10:35:29
,Constituents of the Essential Oil of , — First Identification of (+)-Epi-α-Bisabolol in Nature,l for the first time as naturally occurring substances. The sesquiterpene alcohol, α-bisabolol, can exist in four stereoisomeric forms, three of which have previously been discovered in nature. The missing stereoisomer, (+)-epi-α-bisabolol, was isolated from the essential oil of ..
backdrop
发表于 2025-3-25 12:28:42
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Leaven
发表于 2025-3-25 17:59:58
,Studies on the Composition of Essential Oils of ‘Cineolic Eucalyptus’, hydrodistillation were investigated. The results obtained by gas chromatography showed typical finger-prints although the content of the main constituent, 1.8-cineole, was similar. Characteristic data of the samples studied are given.
全能
发表于 2025-3-25 23:19:20
,Sesquiterpenes and Other Volatile Metabolites from Liquid Cultures of , (Ascomycota) — Essential Oiaracterized by GLC and MS data in comparison with authentic substances. Major components were sesquiterpenes with a l,7-dimethyl-4-isopropyldecaline skeleton (T-muurolol, α-amorphene and probably γ-amorphene).
Processes
发表于 2025-3-26 04:07:51
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Tonometry
发表于 2025-3-26 05:08:07
YoungMin Kwon,Kirill Mechitov,Gul AghaA series of enantiomerically pure monocyclic monosubstituted γ-lactones was synthesized starting from optically active glutamic acid. The enantiomeric composition was examined by .H-NMR spectroscopy using the chiral solvation reagent [(R)-(-)-2,2,2-trifluoro-1-(9-anthryl)ethanol].
dermatomyositis
发表于 2025-3-26 10:11:27
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GONG
发表于 2025-3-26 15:08:06
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Diluge
发表于 2025-3-26 18:19:58
Determination of the Enantiomeric Composition of Synthetic Flavouring Agents by 1H-NMR SpectroscopyA series of enantiomerically pure monocyclic monosubstituted γ-lactones was synthesized starting from optically active glutamic acid. The enantiomeric composition was examined by .H-NMR spectroscopy using the chiral solvation reagent [(R)-(-)-2,2,2-trifluoro-1-(9-anthryl)ethanol].