A major metabolite of the potential antidepressant vilazodone formed in rat, dog, monkey and human liver microsomes is the 5-cyano-6-hydroxy-1H-indole derivative. For the construction of the salicyl-like substituted indole we adapted a synthesis of carmoxirole using Japp–Klingemann type Fischer...
Inhibition of mild steel corrosion in deaerated 0.5 M sulfuric acid solutions containing various concentrations of indole-5-carboxylic acid is studied in the temperature range from 25 to 55 °C using weight-loss, potentiodynamic and spectrophotometric tests. The adsorptive behaviour of inhibitor...
We report here on a simple tyrosinase (TYR) modified electrode designed through the covalent bonding of the enzyme with poly (indole-5-carboxylic acid) (PIn5COOH) conducting polymer. This electrode was applied to the amperometric detection of dopamine (DA) in the presence of ascorbic acid (AA), ...
In this work, poly(indole-5-carboxylic acid) (PICA) nanowires were facilely prepared by a one-step electrodeposition on glass carbon electrode (GC) and its capacitance performance was evaluated in different electrolytes. The initial galvanostatic charge/discharge test of PICA in acetonitrile/LiC...
This paper aims at filling the gap of governing forces leading to bonded charged AgI–ion to unsaturated hydrocarbons comparing with its coordination ability in metal–organics, in particular, carboxylic acids, describing a new, first reported in the literature, very rare case of cation-π–comp...
In this study the effect of carboxylic group substitution in the 2 and 5 position of indole ring on the photophysics of the parent indole chromophore has been studied. The photophysical parameters crucial in triplet state decay mechanism of aqueous indole-2-carboxylic acid (I2C) and indole-5-car...
In this paper, core-shell structured poly (indole‑5‑carboxylic acid) @ poly (3, 4‑ethylenedioxythiophene) (PIn‑5‑[email protected]) composite was prepared by a facile two-step chemical oxidation method. The composite possesses large specific surface area, high stability, good electrical conducti...
Polarized Raman scattering measurements from the bulk of monoclinic molecular crystal of 9-methyladenine:1-methylthymine complex were carried out without modification of its natural crystal faces. Analysis of the results obtained for three different crystal orientations enabled to eliminate vari...
In starfish, the peptide hormone gonad-stimulating substance (GSS) secreted from nervous tissue stimulates oocyte maturation to induce 1-methyladenine (1-MeAde) production by ovarian follicle cells. The hormonal action of GSS on follicle cells involves its receptor, G-proteins and adenylyl cycla...
1-Methyladenine (1-MeAde), the oocyte maturation-inducing substance in starfish, is produced by ovarian follicle cells upon stimulation with a gonad-stimulating substance (GSS) released from the radial nerves. We have shown previously that GSS causes a reduction in the intracellular levels of AT...
It is shown using the PM3 method that 1-methyladenine possesses four low-lying tautomeric forms, three of which are of the imino type. One of the imino forms, Ia is predominant and not energetically equivalent to the other ones. The effect of protonation on the spectra of these forms has been st...
1-Methyladenine (m1A) alters T·A Watson–Crick to T·m1A Hoogsteen base pair. Owing to its conversion to N6-methyladenine (m6A) at higher temperatures, thermodynamic studies of m1A-containing DNAs using conventional melting methods are subject to the influence of m6A species. In this study, we ...
Methylation at the N1 site of adenine leads to the formation of cytotoxic 1-methyladenine (m1A). Since the N1 site of adenine is involved in the hydrogen bonding of T·A and A·T Watson–Crick base pairs, it is expected that the pairing interactions will be disrupted upon 1-methylation. In this ...
Starfish oocytes are arrested at the prophase stage of the first meiotic division in the ovary. They resume meiosis by the stimulus of 1-methyladenine (1-MeAde), the maturation-inducing hormone for starfish oocytes. Putative 1-MeAde receptors have been suggested to be present on the oocyte surfa...
Starfish oocytes are arrested at the prophase stage of the first meiotic division in the ovary and resume meiosis by the stimulus of 1-methyladenine (1-MeAde), the oocyte maturation-inducing hormone of starfish. Putative 1-MeAde receptors on the oocyte surface have been suggested, but not yet be...
Interfacial structures of 1-methyladenine (1 MA), 3-methyladenine (3 MA), 7-methyladenine (7 MA), and 9-methyladenine (9 MA) on gold nanoparticles (AuNPs) were investigated by means of surface-enhanced Raman scattering (SERS). Different positions of the methyl group in the purine ring of adenine...
The key intermediate 1,2:5,6-di-O-isopropylidene-3-deoxy-3β-allyl-α-d-glucofuranose (8) could be conveniently prepared through radical induced allyl substitution at C-3 of appropriate 1,2:5,6-di-O-isopropylidene-α-d-glucofuranose derivatives (7a,b) and used to synthesize enantiomeric bishydro...
Titanium tetrachloride mediated dialkylation of acetic anhydride, trifluoroacetic anhydride or difluorochloroacetic anhydride by 1,8-bis(trimethylsilyl)-2,6-octadiene (BISTRO) leads, respectively, to dl-1-methyl-2,5-divinylcyclopentan-1-ol, dl-1-difluoromethyl-2,5-divinylcyclopentan-1-ol or dl-1...
The acylation of the (±)-spiro-γ-lactone 1 lithium enolate (3 equiv) by the O-TBDMS methyl (−)-(S)-lactate, the O-TBDMS methyl (+)-(S)-mandelate, or the diacetone-d-glucose carbonate (1 equiv each) occurs with a kinetic resolution. The (S,S)-enolate is the most reactive with the lactate and it...
All four diasteromeric 16,17-diols in the 3-methoxy-13α-estra-1,3,5(10)-triene series have been synthesized. The trans-diols 1 and 2 can be obtained by hydroborating the 17-enol acetate 6 (61%, ratio 27:73, preferred α attack). OsO4 dihydroxylation of the olefin 7 yielded the cis-diols 3 and 4...
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