Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 1-(Furan-2-yl)propan-1-one, is researched, Molecular C7H8O2, CAS is 3194-15-8, about Solid phase extraction in combination with comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry for the detailed investigation of volatiles in South African red wines.Application In Synthesis of 1-(Furan-2-yl)propan-1-one.
Comprehensive two-dimensional gas chromatog. in combination with time-of-flight mass spectrometry (GC × GC-TOFMS) has been applied for the anal. of volatile compounds in three young South African red wines. In spite of the significant benefits offered by GC × GC-TOFMS for the separation and identification of volatiles in such a complex matrix, previous results utilizing headspace solid phase micro extraction (HS-SPME) demonstrated certain limitations. These were primarily associated with the choice of sample preparation technique, which failed to extract some influential semi-volatile wine constituents. Therefore, in the current report, we utilized solid phase extraction (SPE) in combination with GC × GC-TOFMS for the detailed investigation of particularly low-level semi-volatiles in South African wine. 214 Compounds previously reported in grapes and related beverages were tentatively identified based on mass spectral data and retention indexes, while 62 addnl. compounds were pos. identified using authentic standards The method proved particularly beneficial for the anal. of terpenes, lactones and volatile phenols, and allowed us to report the presence of numerous volatile compounds for the first time in Pinotage wines.
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Benzoxazole – Wikipedia,
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