113081-88-2Relevant articles and documents
Synthesis and characterization of anaerobic degradation biomarkers of n-alkanes via hydroxylation/carboxylation pathways
Zhou, Jing,Bian, Xin-Yu,Zhou, Lei,Mbadinga, Serge Maurice,Yang, Shi-Zhong,Liu, Jin-Feng,Gub, Ji-Dong,Mua, Bo-Zhong
, p. 31 - 37 (2016)
Metabolite profiling is a powerful method in research on anaerobic biodegradation of hydrocarbons. Hydroxylation and carboxylation are proposed pathways in anaerobic degradation but very little direct evidence is available about metabolites and signature biomarkers. 2-Acetylalkanoic acid is a potential signature metabolite because of its unique and specific structure among possible intermediates. A procedure for the synthesis of four homologues with various carbon chain lengths was proposed and the characteristics of 2-acetyl-alkanoic acid esters were investigated using four derivatization processes, namely methyl, ethyl, n-butyl and trimethylsilyl esterification. Four intermediate fragments observed were at m/z 73 + 14n, 87 + 14n, 102 + 14n (n = 1, 2 and 4 for methyl, ethyl and n-butyl ester, respectively) and [M - 42]+ for three of the derivatization methods. For silylation, characteristic ions were observed at m/z 73, 117, [M - 42]+ and [M - 55]+ . These are basic and significant data for the future identification of potential intermediates of the hydroxylation and carboxylation pathways in hydrocarbon degradation.
Total synthesis of (±)-trachyspic acid and determination of the relative configuration
Hirai, Kanako,Ooi, Hidenori,Esumi, Tomoyuki,Iwabuchi, Yoshiharu,Hatakeyama, Susumi
, p. 857 - 859 (2007/10/03)
The first total synthesis of (±)-trachyspic acid, a tumor cell heparanase inhibitor, was accomplished based on Cr(II)/Ni(II)-mediated reaction of the aldehyde containing the citric acid moiety and the long-chain triflate, and the relative configuration of
A convenient method for the preparation of (Z)-αβ-unsaturated carbonyl compounds
Taber, Douglass F.,Herr, R. Jason,Pack, Shawn K.,Geremia, John M.
, p. 2908 - 2910 (2007/10/03)
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