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S B Turnipseed et al.
Journal of AOAC International, 84(3), 640-647 (2001-06-22)
A liquid chromatographic/mass spectrometric (LC/MS) electrospray confirmation method has been developed to confirm 4 ionophores (monensin, lasalocid, salinomycin, and narasin) in a variety of animal feeds using a single quadrupole mass spectrometer. The sodium ions of these compounds are dominant
Surendra Singh et al.
The Journal of organic chemistry, 74(15), 5758-5761 (2009-07-04)
The ZrCl4-catalyzed deprotection of 1,3-dioxane/dioxalane and the simultaneous formation of 6-methoxy-substituted tetrahydropyrans proceeded under microwave irradiation in good yield. This synthetic methodology was used for the asymmetric synthesis of (+)-exo- and (+)-endo-brevicomin in 55% overall yield over 4 steps.
[Isolation and identification of chemical constituents from Hedyotis chrysotricha (Palib.) Merr].
Z Fang et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 17(2), 98-100 (1992-02-01)
Hamidreza Shirvani-Mahdavi et al.
Optics express, 18(13), 13593-13599 (2010-07-01)
An amplified cholesteric liquid crystal (CLC) laser performance is demonstrated by utilizing a binary-dye mixture (with 62 wt% DCM and 38 wt% PM597) as the active medium and an external stable resonator. The measured results show that the laser efficiency
Lucie Szücová et al.
Bioorganic & medicinal chemistry, 17(5), 1938-1947 (2009-02-24)
In an attempt to improve specific biological functions of cytokinins routinely used in plant micropropagation, 33 6-benzylamino-9-tetrahydropyran-2-ylpurine (THPP) and 9-tetrahydrofuran-2-ylpurine (THFP) derivatives, with variously positioned hydroxy and methoxy functional groups on the benzyl ring, were prepared. The new derivatives were
U C Reddy et al.
The Journal of organic chemistry, 74(6), 2605-2608 (2009-02-17)
A diastereoselective one-pot, three-component Prins-Friedel-Crafts reaction was developed for the synthesis of 4-aryltetrahydropyran derivatives from the reaction of carbonyl compounds with homoallylic alcohol in the presence of arene promoted by boron trifluoride etherate.
K C Nicolaou et al.
The Journal of organic chemistry, 86(3), 2499-2521 (2021-01-09)
Thailanstatin A and spliceostatin D, two naturally occurring molecules endowed with potent antitumor activities by virtue of their ability to bind and inhibit the function of the spliceosome, and their natural siblings and designed analogues, constitute an appealing family of
Sabiha Achat et al.
Ultrasonics sonochemistry, 19(4), 777-786 (2012-01-28)
The possibility to improve the nutritional value of olive oil by enriching it in phenolic compounds from olive leaves (e.g., oleuropein) by ultrasonic maceration was studied. The experimental design used led to the following optimal extraction conditions: ultrasonic power of
James A Marshall et al.
Organic letters, 7(8), 1593-1596 (2005-04-09)
[reaction: see text] Additions of chiral allenylzinc and indium reagents to N-Boc alaninal were examined as a possible route to a C20-C26 segment of superstolide A. Allenylzinc reagents, prepared in situ by palladiozincation of (R)- and (S)-5-pivalyloxy-3-butyn-2-ol mesylate, showed excellent
Abdullah S Al-Bogami et al.
Ultrasonics sonochemistry, 20(5), 1194-1202 (2013-04-18)
The present paper deal with the multi-component condensation of 8-hydroxy quinoline, aromatic aldehydes, and sulfone derivatives catalyzed by p-toluenesulfonic acid for the synthesis of a series of 4H-pyrano[3,2-h]quinoline derivatives in ethanol under ultrasonic irradiations. We provide a series of quinoline
Mark T Waters et al.
Plant signaling & behavior, 7(8), 969-972 (2012-07-26)
Strigolactones (SL) and karrikins (KAR) both contain essential butenolide moieties, and both require the F-box protein MAX2 to control seed germination and photomorphogenesis in Arabidopsis thaliana. A new discovery that SL and KAR also require related α/β-hydrolase proteins for such
Natural products with maleic anhydride structure: nonadrides, tautomycin, chaetomellic anhydride, and other compounds.
Xiaolong Chen et al.
Chemical reviews, 107(5), 1777-1830 (2007-04-19)
K J Chapple et al.
The Annals of pharmacotherapy, 34(6), 798-801 (2000-06-22)
To evaluate the efficacy of zanamivir in the prevention and treatment of influenza. Medical literature was accessed through MEDLINE (1966-June 1999). Key search terms included zanamivir, GG167, and influenza. Additional information was obtained from GlaxoWellcome, Inc. Zanamivir is the first
Ambrose Okem et al.
International journal of phytoremediation, 17(11), 1046-1052 (2015-01-13)
The use of plant growth regulators (PGRs) and biostimulants to enhance phytoextraction is gaining popularity in phytoremediation technology. This study investigated the stimulatory effects of smoke-water (SW), a smoke-derived compound karrikinolide (KAR1) and other known plant growth regulators (PGRs) [gibberellic
B Momcilović et al.
Arhiv za higijenu rada i toksikologiju, 50(2), 201-210 (1999-11-24)
Cadmium and all three enumerated herbicide residues in dried samples of industrially grown true chamomile were found to be above the suggested and accepted tolerance values. The results are discussed with regard to the current Croatian regulation and FAO/WHO recommendations
Yongjie Meng et al.
The Plant journal : for cell and molecular biology, 109(6), 1559-1574 (2021-12-26)
KARRIKIN INSENSITIVE2 (KAI2) is an α/β-hydrolase required for plant responses to karrikins, which are abiotic butenolides that can influence seed germination and seedling growth. Although represented by four angiosperm species, loss-of-function kai2 mutants are phenotypically inconsistent and incompletely characterised, resulting
C D Tran et al.
Analytical chemistry, 65(13), 1675-1681 (1993-07-01)
Advantages of the acousto-optic tunable filter (AOTF), namely its ability for fast scanning and multiple-wavelength diffraction, were exploited to develop a novel, all solid-state, nonmoving parts spectrofluorometer. This instrument is based on the use of two AOTFs: one for excitation
Erika Pistarino et al.
Food chemistry, 138(2-3), 2043-2049 (2013-02-16)
The influence of two operative parameters on the fermentation process of table olives from Taggiasca cultivar were investigated. Laboratory scale fermentations were performed using Lactobacillus plantarum as the only starter and in combination with Saccharomyces cerevisiae at three different temperatures
Rui Wang et al.
Preparative biochemistry & biotechnology, 40(3), 171-176 (2010-07-14)
Various alcohols react with 3,4-dihydro-2 H-pyran under mild conditions using a catalytic amount of 1,6-hexanediamine methanesulfonate. It affords the corresponding tetrahydropyranyl ethers in good yields at a faster rate in the absence of solvent.
Rasha Abdallah Azzam et al.
Chemical & pharmaceutical bulletin, 63(12), 1055-1064 (2015-12-04)
The multi-component reaction of either acetoacetanilide derivative 1a or b with any of the aldehyde derivatives 2a-d and malononitrile 3 in the presence of triethylamine as a catalyst gave the 4H-pyran derivatives 4a-g, respectively. Carrying the same reaction but using
G Boonen et al.
Journal of chromatography. B, Biomedical sciences and applications, 702(1-2), 240-244 (1998-02-04)
A simultaneous HPLC separation of the enantiomers of kavain, dihydrokavain, methysticin and dihydromethysticin, as well as the achiral dienolides yangonin and desmethoxyyangonin was carried out on a ChiraSpher NT column. For quantitative determinations, calibration curves with correlation coefficients between 0.9982
Susan M Cheer et al.
Drugs, 62(1), 71-106 (2002-01-16)
Zanamivir is a potent competitive inhibitor of the neuraminidase glycoprotein, which is essential in the infective cycle of influenza A and B viruses. Zanamivir (10mg by inhalation via the Diskhaler twice daily, or 10mg inhaled plus 6.4mg intranasally two or
Minoru Isobe et al.
Chemistry, an Asian journal, 2(3), 377-385 (2007-04-19)
We have accomplished the synthesis of 13C-labeled tautomycin at the C18, C19, C21, and C22 positions starting from 100% [13C]triethylphosphonoacetate for the purpose of elucidating the dynamics and conformation of the C17-C26 moiety. NMR spectroscopy of 13C-labeled tautomycin revealed strong
Jan Czerwiński et al.
Archives of animal nutrition, 66(2), 102-116 (2012-05-31)
The effect of dietary sodium butyrate (SB) or salinomycin (SAL) or both additives on performance, small intestinal morphology and microbial ecology of broiler chickens was studied. A growth trial was conducted with 96 Ross 308 female broilers from 1 to
E D Peebles et al.
Poultry science, 91(9), 2183-2188 (2012-08-23)
Nicarbazin (NCZ), an effective anticoccidial widely used by the global broiler industry, is known to produce some side effects in broilers. Recent field observations have suggested that NCZ could be associated with spiking mortality syndrome, a disease of uncertain etiology
F G Riddell et al.
Biochimica et biophysica acta, 1024(1), 193-197 (1990-05-09)
Addition of the ionophoric antibiotics salinomycin or narasin to preparations of large unilamellar vesicles made from egg yolk phosphatidylcholine in sodium or potassium chloride solutions gives rise to dynamic effects in the 23Na- and 39K-NMR spectra. The dynamic spectra arise
Bao-Ning Su et al.
Journal of natural products, 68(4), 592-595 (2005-04-23)
Purification of a n-BuOH-soluble partition of the MeOH extract of Morinda citrifolia (Noni) fruits led to the isolation of two new iridoid glucosides, 6alpha-hydroxyadoxoside (1) and 6beta,7beta-epoxy-8-epi-splendoside (2), as well as 17 known compounds, americanin A (3), narcissoside (4), asperuloside
[Effect of S-oxidation on the anticoagulant effects of 4-hydroxycoumarins, 4-hydroxy-2-pyrones and 1,3-indanediones].
K Rehse et al.
Archiv der Pharmazie, 317(3), 262-267 (1984-03-01)
Effects of the veterinary pharmaceutical salinomycin and its formulation on the plant Brassica rapa.
V Furtula et al.
Archives of environmental contamination and toxicology, 63(4), 513-522 (2012-09-11)
Veterinary pharmaceuticals are emerging contaminants found throughout the environment, and their presence and effects are a matter of concern. The purpose of this study was to compare the phytotoxicity of salinomycin (pure compound = 96 %) and Sacox 120 (formulated
Bin-Yu Wen et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(12), 2015-2018 (2013-09-27)
8-O-acetylharpagide and harpagide are two kinds of effective component of Ajuga decumbens extract. A sensitive LC-MS/MS method has been established for pharmacokinetics of 8-O-acetylharpagide and harpagide in beagle dog after oral administration of from A. decumbens extract. Female beagle dogs
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