Results 31 to 40 of about 383,654 (289)
Molecules, 2018 In the current study, we employed high-resolution proton and carbon nuclear magnetic resonance spectroscopy (1H and 13C NMR) for quantitative analysis of glycerol in drug injections without any complex pre-treatment or derivatization on samples.
Jiaxi Lu +4 more
doaj +1 more source
Diisopropylamide and TMP turbo-grignard reagents : a structural rationale for their contrasting reactivities [PDF]
, 2010 A neutral dimeric molecule in crystal form, the diisopropylamido turbo-Grignard reagent "(iPr2N)MgCl⋅LiCl" (see structure; blue N, red O, green Mg, yellow Cl, black C) separates into several charged ate species in dynamic exchange with each other in THF ...
Armstrong, David R. +4 more
core +1 more source
Synthesis, Crystal Structure, and Solid-State NMR Investigations of Heteronuclear Zn/Co Coordination Networks - A Comparative Study [PDF]
, 2013 Synthesis and solid-state NMR characterization of two isomorphous series of zinc and cobalt coordination networks with 1,2,4-triazolyl benzoate ligands are reported. Both series consist of 3D diamondoid networks with four-fold interpenetration.
Baias, M +10 more
core +1 more source
Molbank, 2010 The title compound, 5-[(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)methylene]-1,3-diethyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione, has been synthesized by condensation of 1,3-diethyl-2-thiobarbituric acid and 3,5-dimethyl-1-phenylpyrazole-4-carbaldehyde in
Salman A. Khan, Abdullah Mohamed Asiri
doaj +1 more source
Peripherally-metallated porphyrins: meso-n1-porphyrinyl-platinum(II) complexes of 5,15-diaryl- and 5,10,15-triarylporphyrins [PDF]
, 2002 Attempted metathesis reactions of peripherally-metallated meso-η1-porphyrinylplatinum(II) complexes such as trans-[PtBr(NiDPP)(PPh3)2] (H2DPP = 5,15-diphenylporphyrin) with organolithium reagents fail due to competitive addition at the porphyrin ring ...
Arnold, Dennis +2 more
core +2 more sources
Determination of Diethyl Phthalate and Polyhexamethylene Guanidine in Surrogate Alcohol from Russia
International Journal of Analytical Chemistry, 2011 Analytical methods based on spectroscopic techniques were developed and validated for the determination of diethyl phthalate (DEP) and polyhexamethylene guanidine (PHMG), which may occur in unrecorded alcohol.
Yulia B. Monakhova +3 more
doaj +1 more source
Data on the characterization of (N-alkylsalicylaldiminato)bis(2-phenylpyridinato)iridium(III)
Data in Brief, 2019 Herein we report the synthesis, characterization data and photophysical properties of iridium(III) complexes having N-alkylated salicylaldimine and 2-phenylpyridine ligands. The structures of novel iridium complexes were assigned by 1H and 13C NMR, 1H–1H
Soichiro Kawamorita +3 more
doaj +1 more source
Journal of Pharmaceutical and Biomedical Analysis Open, 2023 The assessment of fat acid parameters (acid value, saponification value, ester value, iodine value, composition of monounsaturated fatty acids, polyunsaturated fatty acids, and total unsaturated fatty acids) in edible oils, including red fruit oil ...
Liling Triyasmono, Ulrike Holzgrabe
doaj +1 more source
A–C Estrogens as Potent and Selective Estrogen Receptor-Beta Agonists (SERBAs) to Enhance Memory Consolidation under Low-Estrogen Conditions [PDF]
, 2018 Estrogen receptor-beta (ERβ) is a drug target for memory consolidation in postmenopausal women. Herein is reported a series of potent and selective ERβ agonists (SERBAs) with in vivo efficacy that are A–C estrogens, lacking the B and D estrogen rings ...
Donaldson, William A. +12 more
core +4 more sources
PLoS ONE, 2015 Background and aimsProton nuclear magnetic resonance spectroscopy coupled multivariate analysis (1H NMR-PCA/PLS-DA) is an important tool for the discrimination of wine products. Although 1H NMR has been shown to discriminate wines of different cultivars,
Boran Hu +5 more
doaj +1 more source