Results 91 to 100 of about 258,848 (293)

N-(7-Methyl-1,8-naphthyridin-2-yl)acetamide–acetic acid (1/1)

open access: yesActa Crystallographica Section E, 2013
In the title adduct, C11H11N3O·C2H4O2, all non-H atoms of the acetamide molecule are roughly coplanar, with an r.m.s. deviation of 0.0720 Å. The dihedral angle between the ring plane and the acetamide group is 8.5 (2)°.
Gao-Zhang Gou   +3 more
doaj   +1 more source

Hydrogen bond based noncovalent association in the semi-fluorous solvent perfluorobutyl-methyl ether: Host-host and host-guest association of the host 1-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluoro-decyl)-3-pyridin-2-yl-urea [PDF]

open access: yes, 2013
A fluorous pyridyl-urea, 1-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro-decyl)-3-pyridin-2-yl-urea, was prepared to act as a host and analyzed by 1H NMR inCD2Cl2 and perfluorobutyl-methyl ether (HFE7100).
McGowan, Candace
core   +1 more source

The continuing significance of chiral agrochemicals

open access: yesPest Management Science, Volume 81, Issue 4, Page 1697-1716, April 2025.
In the time frame 2018–2023, around 43% of the 35 chiral agrochemicals introduced to the market (herbicides, fungicides, insecticides, acaricides, and nematicides) contain one or more stereogenic centers in the molecule, and almost 69% of them have been marketed as racemic mixtures of enantiomers or stereoisomers.
Peter Jeschke
wiley   +1 more source

2-Chloro-N-(4-hydroxyphenyl)acetamide

open access: yesIUCrData
The title compound, C8H8ClNO2, is significantly distorted from planarity, with a twist angle between the planes through the hydroxybenzene and acetamide groups being 23.5 (2)°.
Abderrazzak El Moutaouakil Ala Allah   +6 more
doaj   +1 more source

New electrolyte may increase life of polarographic oxygen sensors [PDF]

open access: yes, 1967
Electrolyte increases life on oxygen sensors in a polarograph used for measuring the partial pressure of oxygen in a gas mixture.
Albright, C. F.
core   +1 more source

Local electronic structure of the peptide bond probed by resonant inelastic soft X-ray scattering. [PDF]

open access: yes, 2019
The local valence orbital structure of solid glycine, diglycine, and triglycine is studied using soft X-ray emission spectroscopy (XES), resonant inelastic soft X-ray scattering (RIXS) maps, and spectra calculations based on density-functional theory ...
Benkert, A   +10 more
core   +4 more sources

Illicit Drug‐Derived Volatile Organic Compounds as Markers for Application in Noncontact Detection Technology

open access: yesThe Chemical Record, EarlyView.
This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim   +4 more
wiley   +1 more source

2,2-Dichloro-N-(3,4-dimethylphenyl)acetamide

open access: yesActa Crystallographica Section E, 2009
In the title compound, C10H11Cl2NO, the N—H bond is syn to the 3-methyl substituent in the aromatic ring, similar to that observed in N-(3,4-dimethylphenyl)acetamide and to the 3-chloro substituent in 2,2-dichloro-N-(3,4-dichlorophenyl ...
B. Thimme Gowda   +3 more
doaj   +1 more source

Reverse chemical ecology approach for the identification of an oviposition attractant for Culex quinquefasciatus. [PDF]

open access: yes, 2018
Pheromones and other semiochemicals play a crucial role in today's integrated pest and vector management strategies. These semiochemicals are typically discovered by bioassay-guided approaches.
Bhagavathy, Ganga   +7 more
core   +1 more source

Recent Advances in Bioconjugation of Aromatic Amino Acid Residues by a Reactivity‐Guided Approach

open access: yesThe Chemical Record, EarlyView.
This review highlights recent advances in the bioconjugation of aromatic amino acids residues, focusing on strategies that leverage their inherent chemical reactivity to enable precise and versatile modifications of biomacromolecules, illustrating relevant applications.
Bruno M. da S. Santos   +3 more
wiley   +1 more source

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