scholarly journals Linear retention indices in gas chromatographic analysis: a review

2008 ◽  
Vol 23 (5) ◽  
pp. 297-314 ◽  
Author(s):  
Barbara d'Acampora Zellner ◽  
Carlo Bicchi ◽  
Paola Dugo ◽  
Patrizia Rubiolo ◽  
Giovanni Dugo ◽  
...  
Keyword(s):  
Chromatographic Analysis ◽  
Retention Indices ◽  
Gas Chromatographic Analysis ◽  
Linear Retention Indices

scholarly journals Gas Chromatographic Analysis of Pyrimidine and Purine Bases by Retention Indices

1978 ◽  
Vol 98 (11) ◽  
pp. 1536-1541 ◽  
Author(s):  
AKIRA YAMAJI ◽  
SUMIHISA KIMURA ◽  
HIDEKI KAWASAKI ◽  
HIDETAKA YUKI
Keyword(s):  
Chromatographic Analysis ◽  
Retention Indices ◽  
Purine Bases ◽  
Gas Chromatographic Analysis

scholarly journals Volatiles from the tropical ascomycete Daldinia clavata (Hypoxylaceae, Xylariales)

2018 ◽  
Vol 14 ◽  
pp. 135-147 ◽  
Author(s):  
Tao Wang ◽  
Kathrin I Mohr ◽  
Marc Stadler ◽  
Jeroen S Dickschat
Keyword(s):  
Stationary Phase ◽  
Natural Product ◽  
Absolute Configuration ◽  
Chromatographic Analysis ◽  
Mass Spectra ◽  
Closed Loop ◽  
Retention Indices ◽  
Published Data ◽  
Cytotoxic Effects ◽  
Gas Chromatographic Analysis

The volatiles from the fungus Daldinia clavata were collected by use of a closed-loop stripping apparatus and analysed by GC–MS. A few compounds were readily identified by comparison of measured to library mass spectra and of retention indices to published data, while for other compounds a synthesis of references was required. For one of the main compounds, 5-hydroxy-4,6-dimethyloctan-3-one, the relative and absolute configuration was determined by synthesis of all eight stereoisomers and gas chromatographic analysis using a homochiral stationary phase. Another identified new natural product is 6-nonyl-2H-pyran-2-one. The antimicrobial and cytotoxic effects of the synthetic volatiles are also reported.

DIRECT GAS CHROMATOGRAPHIC ANALYSIS OF STEROID SULPHATES AND GLUCOSIDURONATES WITHOUT DERIVATIVE FORMATION

1967 ◽  
Vol 56 (1_Suppl) ◽  
pp. S118 ◽  
Author(s):  
P. Ilmari Jaakonmäki
Keyword(s):  
Chromatographic Analysis ◽  
Gas Chromatographic Analysis

The mechanism of formation of 2,7-dimethyl-2,6-octadiene in the synthesis of 3-methylene-7-methyl-1,6-octadiene

1983 ◽  
Vol 48 (7) ◽  
pp. 1864-1866
Author(s):  
Jan Bartoň ◽  
Ivan Kmínek
Keyword(s):  
Mass Spectrometry ◽  
Nmr Spectroscopy ◽  
Alkali Metal ◽  
Chromatographic Analysis ◽  
Solid Phase ◽  
Reaction Pathway ◽  
Mechanism Of Formation ◽  
Gas Chromatographic Analysis ◽  
C Nmr ◽  
Visual Observations

2,7-Dimethyl-2,6-octadiene is formed in the catalytic solution for the dimerization of 2-methyl-1,3-butadiene to β-myrcene (3-methylene-7-methyl-1,6-octadiene), as revealed by mass spectrometry and 13C NMR spectroscopy. Visual observations together with the results of gas chromatographic analysis of the catalytic solution suggest that the formation of 2,7-dimethyl-2,6-octadiene is associated with the transition of the alkali metal (sodium) from the solid phase into the solution. A reaction pathway is suggested accounting for the formation of 2,7-dimethyl-2,6-octadiene in the system.

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