Fourier transform infrared (FTIR) spectra of a series of 1 : 1 hydrogen-bonded complexes between 2,5-dihydroxy-3,6-dichlorobenzoquinone (chloranilic acid, CA) and anilines in the crystalline form were investigated. The correlation between the center of gravity of the protonic vibration ...
This study aimed to obtain a reliable evaluation about addition of tert-butylhydroquinone (TBHQ), and distribution of TBHQ and 2-tert-butyl-1,4-benzoquinone (TBBQ) contents in typical edible oils and oleaginous foods marketed in Hangzhou City. Briefly, the probability of labeled with addition of...
IR studies of the spinel surface with adsorbed CO2 and adsorption studies of electron acceptors such as 7,7,8,8-tetracyanoquinodimethane, 2,3,5,6-tetrachloro-1-4-benzoquinone and p-dinitrobenzene were carried out to evaluate the nature of the basic sites and the strength and distribution ...
The azophenine N,N′,N″,N‴-tetra-4-ethylphenyl-2,5-diamino-1,4-benzoquinonediimine (4-EtApH2), its diprotonated species [4-EtApH4](ClO4)2 (1) and compl... K Ohno,T Fujihara,A Nagasawa - 《Polyhedron》 被引量: 3发表: 2014年 ...
Furthermore, addition reaction of 3 with 1 under the same reaction conditions as the above provides 6, in 46% yield, which upon oxidation with DDQ (=2,3-dichloro-5,6-dicyano-1,4-benzoquinone) in dichloromethane at 25 °C for 24 h yields 1,1-di(azulen-1-yl)-2,2-bis[4-(...
一种四氯1,4苯醌的制备方法 A method for the preparation of tetrachloro-1,4-benzoquinone 本发明提供一种四氯1,4苯醌的制备方法,以四氯1,4苯二酚为原料,精心选择特定比例的亚氯酸钠与双氧水组合形成的复合氧化剂,再结合特定的溶剂与反应温度,成功制备四氯1,4......
Electrochemistry and In-situ FTIR Spectrochemistry Studies on Paeonol and a Series ofQuinones; 酚醌类有机小分子电化学和红外光谱电化学研究 更多例句>> 3) benzoquinone[,benzəu'kwinəun] 醌 例句>> 4) quinhydrone[,kwin'haidrəun]
Formation of water disinfection byproduct 2,6-dichloro-1,4-benzoquinone from chlorination of green algae.###Simultaneous Wastewater Treatment, Algal Biomass Production and Electricity Generation in Clayware Microbial Carbon Capture Cells.###Studies on influence of process parameters on hydrothermal catalyti...
A new series of 2,5-bis(4-n-alkoxybenzoyloxy)-3,6-dichloro-1,4-benzoquinones, C6Cl2O2(OOCC6H4OR)2 and their copper (II) compounds, C6Cl2O2(OOCC6H4OR)2 Cu(CH3COO)2路H2O where RCmH2m+1 and m=6,7,8,9,10, 11,12,14, and 16 have been synthesized. The compounds have been ...
Particularly, the main reaction products including o -benzoquinone type species, phenolate species, formates, acetates, and maleates were verified with in situ FTIR spectroscopy. Additionally, ESR examination confirmed that OH and O 2 – were the predominant reactive oxygen species involved in the ...