Results 1 to 10 of about 6,243 (160)

The effects of solvents and structure on the electronic absorption spectra of the isomeric pyridine carboxylic acid N-oxides [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2013
The ultraviolet absorption spectra of the carboxyl group of three isomeric pyridine carboxylic acids N-oxides (picolinic acid N-oxide, nicotinic acid N-oxide and isonicotinic acid N-oxide) were determined in fourteen solvents in the wavelength range ...
Drmanić Saša Ž., Nikolić Jasmina B., Marinković Aleksandar D., Šekularac Gavrilo M., Jovanović Bratislav Ž.   +4 more
doaj   +4 more sources

Study on Design, Synthesis and Herbicidal Activity of Novel 6-Indazolyl-2-picolinic Acids. [PDF]

Molecules
Thirty-eight new 4-amino-3,5-dicholo-6-(1H-indazolyl)-2-picolinic acids and 4-amino-3,5-dicholo-6-(2H-indazolyl)-2-picolinic acids were designed by scaffold hopping and synthesized to discover potential herbicidal molecules.
Liu Q, Shi RC, Li HT, Wei W, Yuan X, Liu SZ, Cao YM.   +6 more
europepmc   +2 more sources

Study on Design, Synthesis and Herbicidal Activity of Novel 4-Amino-6-(5-Aryl-Substituted-1-Pyrazolyl)-3-Chloro-5-Fluoro-2-Picolinic Acids. [PDF]

Molecules
6-Aryl-2-picolinic acid herbicides are an important subclass of auxin herbicides, characterized by their good absorption and conductivity, broad weed control spectrum, and excellent herbicidal activity against some resistant weeds.
Li H, Wei W, Shi R, Gou Y, Li X, Li C, Li Y, Cao Y, Liu S.   +8 more
europepmc   +2 more sources

Picolinic and Isonicotinic Acids: A Fourier Transform Microwave Spectroscopy Study [PDF]

The Journal of Physical Chemistry A, 2014
Producción CientíficaThe rotational spectra of laser ablated picolinic and isonicotinic acids have been studied using broadband chirped pulse (CP-FTMW) and narrowband molecular beam (MB-FTMW) Fourier transform microwave spectroscopies.
Alonso Hernández, José Luis, Cabezas, Carlos, Franco, Vanina G., López Alonso, Juan Carlos, Peña Calvo, María Isabel   +4 more
core   +5 more sources

Inhibition of Pseudomonas aeruginosa biofilm formation by 2,2'-bipyridyl, lipoic, kojic and picolinic acids. [PDF]

Iran J Basic Med Sci, 2015
Objective(s):The inhibitory effects of iron chelators, and FeCl3 chelation on biofilm formation and swarming motility were investigated against an opportunistic human pathogen Pseudomonas aeruginosa.
Çevik K, Ulusoy S.
europepmc   +1 more source

Visible Light-Induced Decarboxylative Radical Addition of Heteroaromatic Carboxylic Acids to Alkenes at Room Temperature in Two-Molecule Photoredox System. [PDF]

ChemistryOpen
The photoinduced decarboxylative radical addition of aryl carboxylic acids, including heteroaromatic carboxylic acids, to electron‐deficient alkenes is achieved in a two‐molecule photoredox system using a combination of biphenyl (BP) and 9,10 ...
Suzuki D, Hashimoto R, Furutani T, Yamawaki M, Suzuki H, Yoshimi Y.   +5 more
europepmc   +2 more sources

Chemical composition, metabolomics, and functional potential of Pholiota nameko pre-cooking liquid. [PDF]

Sci Rep
The liquid generated during the pre-cooking process of Pholiota nameko is frequently considered waste, and its large-scale disposal may pose environmental risks.
Meng Y, Xue J, Zhang L, Ouyang X, Zhou S, Feng L, Zheng C, Chen G, Zhang Y, He X.   +9 more
europepmc   +2 more sources

Oregano essential oil enhanced body weight and well-being by modulating the HPA axis and 23-nordeoxycholic acid of cecal microbiota in Holstein steers under cold stress. [PDF]

Anim Microbiome
Background Prolonged exposure to cold stress in cattle increases basal energy consumption and impedes optimal production. Consequently, herds require adequate attention during cold, extended winters to alleviate cold stress and maintain profitability ...
Huang Y, Cheng S, Shi J, He P, Ma Y, Zhang X, Cao Y, Lei Z.   +7 more
europepmc   +2 more sources

Investigations of the reactivity of pyridine carboxylic acids with diazodiphenylmethane in protic and aprotic solvents: Part II: Pyridine mono-carboxylic acid N-oxides [PDF]

Journal of the Serbian Chemical Society, 2006
The rate constants for the reaction of three isomeric pyridine mono-carbocylic acid N-oxides with diazodiphenylmethane were determined at 30 ºC in thirty two protic and aprotic solvents by the well known UV spectrophotometric method.
Drmanić Saša Ž., Jovanović Bratislav Ž., Marinković Aleksandar D., Mišić-Vuković Milica M.   +3 more
doaj   +3 more sources

Fixation of CO2 along with bromopyridines on a silver electrode [PDF]

Royal Society Open Science, 2018
Resulting from the drastic increase of atmospheric CO2 concentration day by day, global warming has become a serious environmental issue nowadays.
Yingtian Zhang, Shuxian Yu, Peipei Luo, Shisong Xu, Xianxi Zhang, Huawei Zhou, Jiyuan Du, Jie Yang, Nana Xin, Yuxia Kong, Junhai Liu, Baoli Chen, Jiaxing Lu   +12 more
doaj   +1 more source