868599-03-5Relevant academic research and scientific papers
First synthesis, characterization, and evidence for the presence of hydroxycinnamic acid sulfate and glucuronide conjugates in human biological fluids as a result of coffee consumption
Fumeaux, Rene,Menozzi-Smarrito, Candice,Stalmach, Angelique,Munari, Caroline,Kraehenbuehl, Karin,Steiling, Heike,Crozier, Alan,Williamson, Gary,Barron, Denis
experimental part, p. 5199 - 5211 (2010/12/25)
A systematic investigation of the human metabolism of hydroxycinnamic acid conjugates was carried out. A set of 24 potential human metabolites of coffee polyphenols has been chemically prepared, and used as analytical standards for unequivocal identifications. These included glucuronide conjugates and sulfate esters of caffeic, ferulic, isoferulic, m-coumaric and p-coumaric acids as well as their dihydro derivatives. A particular focus has been made on caffeic and 3,4-dihydroxyphenylpropionic acid derivatives, especially the sulfate conjugates, for which regioselective preparation was particularly challenging, and have so far never been identified as human metabolites. Ten out of the 24 synthesized conjugates have been identified in human plasma and/or urine after coffee consumption. A number of these conjugates were synthesized, characterized and detected as hydroxycinnamic acid metabolites for the first time. This was the case of dihydroisoferulic acid 3′-O-glucuronide, caffeic acid 3′-sulfate, as well as the sulfate and glucuronide derivatives of 3,4-dihydroxyphenylpropionic acid.
AMIDE COMPOUND AND USE OF THE SAME
-
Page/Page column 59, (2010/02/14)
PROBLEM TO BE SOLVED: To provide a compound having an excellent controlling effect against plant pests. SOLUTION: This amide compound expressed by formula (1) [wherein, R1 is H, a halogen atom, a 1-4C alkyl or the like; R2 is a 1-4C alkyl, a 1-4C haloalkyl or the like; R3 is H or a 1-3C alkyl; R4 is a halogen, a 1-4C alkylthio, a 2-5C alkylcarbonyloxy or the like; R5 is a 3-4C alkynyl; and X is O or S] has the excellent controlling effect against the plant pests. COPYRIGHT: (C)2006,JPOandNCIPI
